Dodge Ram 2004 Service Manual

Table of Contents

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1.0

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1

SYSTEM COVERAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.2

SIX-STEP TROUBLESHOOTING PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . .1

2.0

IDENTIFICATION OF SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

3.0

SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION . . . . . . . . . . . . . . . . . . . . . .1

3.1

AIRBAG SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

3.1.1

3.1.2

3.1.3

3.1.4

3.1.5

3.1.6

3.1.7

3.1.8

3.1.9

3.1.9.1 ACTIVE CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.1.9.2 STORED CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.2

AUDIO SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.2.1

3.2.2

3.2.3

3.3

COMMUNICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

3.4

COMPASS MINI-TRIP COMPUTER (CMTC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.4.1

3.5

DOOR AJAR SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.6

ELECTRICALLY HEATED SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.7

EXTERIOR LIGHTING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.8

FRONT CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.8.1

3.8.2

3.8.3

3.9

HEATING & A/C SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.9.1

3.9.2

3.9.3

3.9.4

3.10 INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

3.10.1 DIAGNOSTIC SELF TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.11 INTERIOR LIGHTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.12 POWER DOOR LOCKS/REMOTE KEYLESS ENTRY . . . . . . . . . . . . . . . . . . . . .16

3.12.1 AUTOMATIC DOOR LOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.12.2 CENTRAL LOCKING/UNLOCKING . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.12.3 DOOR LOCK INHIBIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.12.4 ENHANCED ACCIDENT RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.13 REMOTE KEYLESS ENTRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.14 TELECOMMUNICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.14.1 HANDS FREE PHONE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.15 VEHICLE THEFT SECURITY SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.16 WINDSHIELD WIPERS/WASHERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

DRIVER AIRBAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

CLOCKSPRING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

PASSENGER AIRBAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

PASSENGER AIRBAG ON-OFF SWITCH . . . . . . . . . . . . . . . . . . . . . . .3

SEAT BELT TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

SIDE IMPACT SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

CURTAIN AIRBAGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

SPECIAL TOOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

AIRBAG DIAGNOSTIC TROUBLE CODES. . . . . . . . . . . . . . . . . . . . . . .5

REMOTE RADIO CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

AMPLIFIER (PREMIUM SYSTEM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

NAVIGATION RADIO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

VEHICLE INFORMATION DISPLAY. . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

CONTROLLED POWER FEEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

RELAY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

ELECTRICAL INPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

SYSTEM AVAILABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

SYSTEM CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

SYSTEM REVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

SYSTEM DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Table of Contents

Summary of Contents for Dodge Ram 2004

Page 1: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ............1 SYSTEM COVERAGE .
Page 2 TABLE OF CONTENTS - Continued 3.17 USING THE DRBIII ..........18 3.18 DRBIII ERROR MESSAGES AND BLANK SCREEN .
Page 3 TABLE OF CONTENTS - Continued LOSS OF IGNITION RUN - START .........82 LOSS OF IGNITION RUN ONLY .
Page 4 TABLE OF CONTENTS - Continued *SCAN SWITCH INOPERATIVE ......... .189 *SEEK SWITCH INOPERATIVE .
Page 5 TABLE OF CONTENTS - Continued *VEHICLE SPEED WARNING CHIME PROBLEM ......255 COMMUNICATION FCM - BUS SHORTED TO BATTERY ........256 FCM - BUS SHORTED TO GROUND .
Page 6 TABLE OF CONTENTS - Continued *PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND ....319 *PASSENGER DOOR AJAR CKT OPEN........320 *RIGHT REAR DOOR AJAR CIRCUIT OPEN .
Page 7 TABLE OF CONTENTS - Continued BLEND OVERCURRENT (STORED)........363 CHECKSUM FAILURE (STORED) .
Page 8 TABLE OF CONTENTS - Continued TX FAILURE (ACTIVE) ..........395 *A/C - HEATER CONTROL ILLUMINATION INOPERATIVE .
Page 9 TABLE OF CONTENTS - Continued *PRNDL NOT DISPLAYING CORRECT POSITION (EATX VEHICLES) ...451 *SEAT BELT WARNING INDICATOR ALWAYS OFF......452 *SEAT BELT WARNING INDICATOR ALWAYS OFF - STANDARD CAB .
Page 10 TABLE OF CONTENTS - Continued LEFT AUDIO OUTPUT 1 SHORT TO GROUND......502 LEFT AUDIO OUTPUT 1 SHORT TO VOLTAGE .
Page 11 TABLE OF CONTENTS - Continued COMPONENT LOCATIONS ..........557 AIRBAG SYSTEM .
Page 12 TABLE OF CONTENTS - Continued DOOR AJAR SWITCH-PASSENGER - BLACK 2 WAY ......576 DOOR AJAR SWITCH-RIGHT REAR - BLACK 2 WAY ......576 DOOR LOCK MOTOR/AJAR SWITCH-DRIVER - BLACK 4 WAY .
Page 13 TABLE OF CONTENTS - Continued SEAT BELT TENSIONER REDUCER (STANDARD CAB) - 2 WAY ....600 SEAT BELT TENSIONER-DRIVER - 2 WAY ....... . .601 SEAT BELT TENSIONER-PASSENGER - 2 WAY .
Page 14 NOTES...
Page 15: Introduction
GENERAL INFORMATION • 1.0 INTRODUCTION symptom analysis • problem isolation The procedures contained in this manual include • repair of isolated problem all the specifications, instructions and graphics • verification of proper operation needed to diagnose 2004 body system problems. The diagnostics in this manual are based on the failure condition or symptom being present at the time of 2.0 IDENTIFICATION OF...
Page 16: Airbag System
GENERAL INFORMATION 3.1 AIRBAG SYSTEM TO DO THIS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT POSSIBLE The airbag system is designed to provide in- PERSONAL INJURY OR DEATH. creased driver and passenger protection if the vehi- WARNING: NEVER STRIKE OR KICK THE cle is involved in a front end or side collisions.
Page 17: Clockspring
GENERAL INFORMATION 3.1.2 CLOCKSPRING 3.1.4 PASSENGER AIRBAG ON-OFF The clockspring is mounted on the steering col- SWITCH umn behind the steering wheel. This assembly The Passenger Airbag On-Off Switch allows the consist of a plastic housing which contains a flat, customer to turn the passenger airbag function ON ribbon-like, electrically conductive tape that winds or OFF.
Page 18: Seat Belt Tensioner
GENERAL INFORMATION WARNING: IGNORING THE AIRBAG WARN- CAUTION: Do not remove or install the ING LIGHT IN YOUR INSTRUMENT PANEL impact sensors while the sensor is attached COULD MEAN THE PASSENGER AIRBAG to the vehicle wiring. ON-OFF SWITCH IS NOT FUNCTIONAL AND 3.1.7 CURTAIN AIRBAGS THE AIRBAG MAY DEPLOY IF AN IMPACT OCCURS.
Page 19: Airbag Diagnostic Trouble Codes
GENERAL INFORMATION module harness connector to open shorting clips tected, the airbag lamp remains lit for a minimum and protect the connector terminal during testing. of 12 seconds or as long as the malfunction is When using the load tool follow all of the safety present.
Page 20: Remote Radio Controls
GENERAL INFORMATION When trouble shooting output shorts or “output” The amplifier, wiring to the speakers and the error messages, the following applies: speakers work independently from the radio. The On radios without an external amplifier, the term amplifier’s microprocessor supports several diag- output refers to the path between the radio and the nostic functions.
Page 21 GENERAL INFORMATION • different module connections. The modules are No start (if equipped with Sentry Key Immobi- wired in parallel. Connections are made in the lizer) harness using splices. Symptoms of Individual module failure could The following modules are used on this vehicle: include any one or more of the above.
Page 22: Compass Mini-Trip Computer (Cmtc)
GENERAL INFORMATION NOTE: The 2004 DR 3.7L, 4.7L, and 5.7L vehicles are equipped with the Powertrain Control Module and Transmission Control Module combined in a single control module. This module Next Generation Controller (NGC) for DaimlerChrysler and will be referred to as the Powertrain Control Module (PCM).
Page 23: Vehicle Information Display
GENERAL INFORMATION • 3.4.1 VEHICLE INFORMATION DISPLAY Elapsed Time A reset will only occur if one of the trip functions The CMTC provides the following functions: that may be reset is currently being displayed. • Compass direction The CMTC module will send a beep request to the •...
Page 24 GENERAL INFORMATION • The ignition switch must be in the On position • Drive slowly, less than 5 MPH (8KPH) in at least and the CMTC display must not be blank. 1 complete 360-degree circle. • If the compass/temperature data is not currently •...
Page 25: Door Ajar System
GENERAL INFORMATION AMBIENT TEMPERATURE SENSOR FAULT three separate transmitter radio frequency codes to CODES operate garage door openers, security gates, and The outside temperature function is supported by security lighting. The HomeLink buttons are the ambient temperature sensor (ATS), a signal and marked with one, two, or three dots.
Page 26: Controlled Power Feeds
GENERAL INFORMATION analog and resistor multiplexed inputs as well as ning Lamps (DRL), the FCM electronically steps down the headlamp voltage to provide the desired digital electronic inputs from other electronic mod- ules in the vehicle electrical system through its illumination levels.
Page 27: Electrical Inputs
GENERAL INFORMATION Park Lamp Relay Battery (+) Connection Detection The park lamp switch is a direct input to the 12 volt supply used to monitor battery connection instrument cluster. The instrument cluster sends a to the IPM. The battery connection to the IPM uses PCI bus request to the FCM to actuate the park an internal switch to check integrity of the connec- lamp relay.
Page 28: System Revisions
GENERAL INFORMATION spond to the desired door position. To maintain • faults display on the DRBIII as test messages accuracy, the system recalibrates itself period- only after running the test. ically at known zero and full travel conditions. • faults will not display on the DRBIII as Diag- nostic Trouble Codes.
Page 29: Instrument Cluster
GENERAL INFORMATION • ignition/battery as-well-as shorted to ground Power Locks indicates that two actuator driver circuits are • Remote Keyless Entry (RKE) shorted together. • Remote Radio Switch Interface • When the test returns passed, then troubleshoot- • Rolling Door Locks ing should proceed to clearing faults and running •...
Page 30: Diagnostic Self Test
GENERAL INFORMATION For complete Description and Operation of the 3.12.1 AUTOMATIC DOOR LOCKS Instrument Cluster, refer to the DR Service Manual The Instrument Cluster will automatically lock Instrument Cluster Section. For information re- all the doors when the vehicle speed exceeds 15 garding systems such as Wiper/Washer, RKE, MPH (24 KMH), throttle position exceeds 10 per- Lighting, etc., refer to those section titles in this...
Page 31: Telecommunications
GENERAL INFORMATION • 3.15 VEHICLE THEFT SECURITY SYSTEM Arm the Vehicle Theft Security System (if equipped and all conditions are met). The Instrument Cluster controls the Vehicle • Turn off the illuminated entry feature. Theft Security System (VTSS). When the VTSS is •...
Page 32: Using The Drbiii
GENERAL INFORMATION 3.17 USING THE DRBIII 3.18.2 DISPLAY IS NOT VISIBLE Low temperatures will affect the visibility of the Refer to the DRBIII user’s guide for instructions display. Adjust the contrast to compensate for this and assistance with reading trouble codes, erasing condition.
Page 33: Vehicle Preparation For Testing
GENERAL INFORMATION rings, watchbands or bracelets that might make an * Ohms cannot be measured if voltage is present. inadvertent electrical contact. Ohms can be measured only in a non-powered When diagnosing a body system problem, it is circuit. important to follow approved procedures where •...
Page 34: Required Tools And Equipment
GENERAL INFORMATION WARNING: REASSEMBLE COMPO- diagnostic trouble code NENTS BEFORE ROAD TESTING A VEHICLE. electric back lite (rear window de- DO NOT TRY TO READ THE DRBIII SCREEN fogger) OR OTHER TEST EQUIPMENT DURING A engine control module TEST DRIVE. DO NOT HANG THE DRBIII OR EVIC electronic vehicle information center OTHER...
Page 35: Diagnostic Information And Procedures
DIAGNOSTIC INFORMATION AND PROCEDURES...
Page 36: Airbag
AIRBAG Symptom List: ACCELEROMETER 1 ACCELEROMETER 2 DEPLOYMENT DATA RECORD FULL INTERNAL 1 INTERNAL 2 OUTPUT DRIVER 1 STORED ENERGY FIRING 1 Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be INTERNAL MODULE TEST. When Monitored and Set Condition: ACCELEROMETER 1 When Monitored: With the ignition on, the module on board diagnostics continuously...
Page 37 AIRBAG INTERNAL MODULE TEST — Continued OUTPUT DRIVER 1 When Monitored: With the ignition on, the module on board diagnostics continuously performs internal circuit tests. Set Condition: This DTC will set if the module identifies an out of range internal circuit. STORED ENERGY FIRING 1 When Monitored: With the ignition on, the module on board diagnostics continuously performs internal circuit tests.
Page 38: Airbag Warning Indicator Open
AIRBAG Symptom List: AIRBAG WARNING INDICATOR OPEN AIRBAG WARNING INDICATOR SHORT Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be AIRBAG WARNING INDICATOR TEST. When Monitored and Set Condition: AIRBAG WARNING INDICATOR OPEN When Monitored: With ignition on the ACM monitors the PCI Bus for a message from the MIC containing the airbag warning indicator status.
Page 39 AIRBAG AIRBAG WARNING INDICATOR TEST — Continued TEST ACTION APPLICABILITY With the DRBIII , ensure PCI Bus communications with the Instrument Cluster. Is the Instrument Cluster communicating on the PCI Bus? Yes → Go To 3 → Refer to category COMMUNICATION CATEGORY and select the related symptom NO RESPONSE or INSTRUMENT CLUSTER BUS +/- SIGNAL OPEN.
Page 40 AIRBAG AIRBAG WARNING INDICATOR TEST — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 41: Calibration Mismatch
AIRBAG Symptom: CALIBRATION MISMATCH When Monitored and Set Condition: CALIBRATION MISMATCH When Monitored: At ignition on and at least one supply above 8.3 volts, the ACM compares the 6th digit of the Bus VIN message to the 6th digit of the VIN stored in the ACM memory.
Page 42 AIRBAG CALIBRATION MISMATCH — Continued TEST ACTION APPLICABILITY With the DRB select ENGINE MISCELLANEOUS, select MISC FUNCTION, and then CHECK VIN to read the Vehicle Identification Number in the Powertrain Control Module. Compare the VIN displayed on the DRB screen and the Vehicle VIN plate. Does the VIN plate and the PCM VIN match? Yes →...
Page 43 AIRBAG CALIBRATION MISMATCH — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 44: Cluster Message Mismatch
AIRBAG Symptom: CLUSTER MESSAGE MISMATCH When Monitored and Set Condition: CLUSTER MESSAGE MISMATCH When Monitored: After the MIC bulb test is completed, the ACM compares the Lamp Request by ACM, On or Off, and the Lamp on by MIC, On or Off, PCI Bus messages. Each message is transmitted one time per second or when a change in the lamp state occur.
Page 45 AIRBAG CLUSTER MESSAGE MISMATCH — Continued TEST ACTION APPLICABILITY With the DRBIII select PASSIVE RESTRAINTS, AIRBAG, MONITOR DISPLAY and WARNING LAMP STATUS. Cycle the ignition key and observe the LAMP ON BY MIC and LAMP REQ BY ACM monitors after the 6 to 8 second indicator test. Does the LAMP ON BY MIC and LAMP REQ BY ACM monitors match? Go To 4 Replace Mechanical Instrument Cluster.
Page 46: Driver Seat Belt Tensioner Circuit Open
AIRBAG Symptom: DRIVER SEAT BELT TENSIONER CIRCUIT OPEN When Monitored and Set Condition: DRIVER SEAT BELT TENSIONER CIRCUIT OPEN When Monitored: With the ignition on the ACM monitors the resistance of the Driver Seat Belt Tensioner circuits. Set Condition: The ACM has detected an open circuit or high resistance on the Driver Seat Belt Tensioner circuits.
Page 47 AIRBAG DRIVER SEAT BELT TENSIONER CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Driver Seat Belt Tensioner connector. Disconnect the Airbag Control Module Connector(s).
Page 48 AIRBAG DRIVER SEAT BELT TENSIONER CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 49: Driver Seat Belt Tensioner Circuit Short
AIRBAG Symptom: DRIVER SEAT BELT TENSIONER CIRCUIT SHORT When Monitored and Set Condition: DRIVER SEAT BELT TENSIONER CIRCUIT SHORT When Monitored: With the ignition on the ACM monitors the resistance of the Driver Seat Belt Tensioner circuits Set Condition: The ACM has detected low resistance in the Driver Seat Belt Tensioner circuits.
Page 50 AIRBAG DRIVER SEAT BELT TENSIONER CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Driver Seat Belt Tensioner connector. Disconnect the Airbag Control Module connector(s).
Page 51 AIRBAG DRIVER SEAT BELT TENSIONER CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 52: Driver Seat Belt Tensioner Short To Battery
AIRBAG Symptom: DRIVER SEAT BELT TENSIONER SHORT TO BATTERY When Monitored and Set Condition: DRIVER SEAT BELT TENSIONER SHORT TO BATTERY When Monitored: With the ignition on the ACM monitors the voltage of the Driver Seat Belt Tensioner circuits. Set Condition: The ACM has detected high voltage on the Driver Seat Belt Tensioner circuits.
Page 53 AIRBAG DRIVER SEAT BELT TENSIONER SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Driver Seat Belt Tensioner connector. Disconnect the Airbag Control Module Connector(s).
Page 54 AIRBAG DRIVER SEAT BELT TENSIONER SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 55: Driver Seat Belt Tensioner Short To Ground
AIRBAG Symptom: DRIVER SEAT BELT TENSIONER SHORT TO GROUND When Monitored and Set Condition: DRIVER SEAT BELT TENSIONER SHORT TO GROUND When Monitored: With the ignition on the ACM monitors the voltage of the Driver Seat Belt Tensioner circuits. Set Condition: When the ACM detects a short to ground in either Driver Seat Belt Tensioner circuits.
Page 56 AIRBAG DRIVER SEAT BELT TENSIONER SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Driver Seat Belt Tensioner connector. Disconnect the Airbag Control Module connector(s).
Page 57 AIRBAG DRIVER SEAT BELT TENSIONER SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 58: Driver Squib 1 Circuit Open
AIRBAG Symptom: DRIVER SQUIB 1 CIRCUIT OPEN When Monitored and Set Condition: DRIVER SQUIB 1 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 1 circuits. Set Condition: The ACM detects an open circuit or high resistance in the Driver Squib 1 circuits.
Page 59 AIRBAG DRIVER SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag Squib connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 60 AIRBAG DRIVER SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 61: Driver Squib 1 Circuit Short
AIRBAG Symptom: DRIVER SQUIB 1 CIRCUIT SHORT When Monitored and Set Condition: DRIVER SQUIB 1 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 1 circuits. Set Condition: The ACM has detected low resistance on the Driver Squib 1 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 1 CIRCUIT SHORT CLOCKSPRING, DRIVER SQUIB 1 CIRCUITS SHORT...
Page 62 AIRBAG DRIVER SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 63 AIRBAG DRIVER SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 64: Driver Squib 1 Short To Battery
AIRBAG Symptom: DRIVER SQUIB 1 SHORT TO BATTERY When Monitored and Set Condition: DRIVER SQUIB 1 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage of the Driver Squib 1 circuits. Set Condition: The ACM has detected high voltage on the Driver Squib 1 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 1 SHORT TO BATTERY CLOCKSPRING, DRIVER SQUIB 1 SHORT TO BATTERY...
Page 65 AIRBAG DRIVER SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag Squib connector(s). WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 66 AIRBAG DRIVER SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 67: Driver Squib 1 Short To Ground
AIRBAG Symptom: DRIVER SQUIB 1 SHORT TO GROUND When Monitored and Set Condition: DRIVER SQUIB 1 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 1 circuits. Set Condition: When the ACM detects a short to ground in either Driver Squib 1 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 1 SHORT TO GROUND CLOCKSPRING, DRIVER SQUIB 1 SHORT TO GROUND...
Page 68 AIRBAG DRIVER SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag Squib connector(s). NOTE: Check connectors - Clean and repair as necessary.
Page 69 AIRBAG DRIVER SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 70: Driver Squib 2 Circuit Open
AIRBAG Symptom: DRIVER SQUIB 2 CIRCUIT OPEN When Monitored and Set Condition: DRIVER SQUIB 2 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 2 circuits. Set Condition: The ACM detects an open circuit or high resistance in the Driver Squib 2 circuits.
Page 71 AIRBAG DRIVER SQUIB 2 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag Squib connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN SERIOUS OR...
Page 72 AIRBAG DRIVER SQUIB 2 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 73: Driver Squib 2 Circuit Short
AIRBAG Symptom: DRIVER SQUIB 2 CIRCUIT SHORT When Monitored and Set Condition: DRIVER SQUIB 2 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 2 circuits. Set Condition: The ACM detects low resistance on the Driver Squib 2 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 2 CIRCUIT SHORT CLOCKSPRING, DRIVER SQUIB 2 CIRCUIT SHORT...
Page 74 AIRBAG DRIVER SQUIB 2 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 75 AIRBAG DRIVER SQUIB 2 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 76: Driver Squib 2 Short To Battery
AIRBAG Symptom: DRIVER SQUIB 2 SHORT TO BATTERY When Monitored and Set Condition: DRIVER SQUIB 2 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage of the Driver Squib 2 circuits. Set Condition: The ACM detects high voltage on the Driver Squib 2 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 2 SHORT TO BATTERY CLOCKSPRING, DRIVER SQUIB 2 SHORT TO BATTERY...
Page 77 AIRBAG DRIVER SQUIB 2 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH,TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag connector(s). WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 78 AIRBAG DRIVER SQUIB 2 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 79: Driver Squib 2 Short To Ground
AIRBAG Symptom: DRIVER SQUIB 2 SHORT TO GROUND When Monitored and Set Condition: DRIVER SQUIB 2 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Driver Squib 2 circuits. Set Condition: The ACM detects a short to ground in either Driver Squib 2 circuits. POSSIBLE CAUSES DRIVER AIRBAG SQUIB 2 SHORT TO GROUND CLOCKSPRING, DRIVER SQUIB 2 SHORT TO GROUND...
Page 80 AIRBAG DRIVER SQUIB 2 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH,TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Driver Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 81 AIRBAG DRIVER SQUIB 2 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 82: Left Curtain Squib 1 Circuit Open
AIRBAG Symptom: LEFT CURTAIN SQUIB 1 CIRCUIT OPEN When Monitored and Set Condition: LEFT CURTAIN SQUIB 1 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Left Curtain Squib 1 circuits. Set Condition: When the ACM detects an open circuit or high resistance on the Left Curtain Squib 1 circuits.
Page 83 AIRBAG LEFT CURTAIN SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Left Curtain Squib connector(s). WARNING: TO AVOID PERSONAL INJURY OR DEATH, DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SUR- FACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 84 AIRBAG LEFT CURTAIN SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 85: Left Curtain Squib 1 Circuit Short
AIRBAG Symptom: LEFT CURTAIN SQUIB 1 CIRCUIT SHORT When Monitored and Set Condition: LEFT CURTAIN SQUIB 1 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance between the Left Curtain Squib 1 circuits. Set Condition: When the ACM detects a low resistance between the Left Curtain Squib 1 circuits.
Page 86 AIRBAG LEFT CURTAIN SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Left Curtain Airbag connector(s). NOTE: Check connectors - Clean repair as necessary.
Page 87 AIRBAG LEFT CURTAIN SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 88: Left Curtain Squib 1 Short To Battery
AIRBAG Symptom: LEFT CURTAIN SQUIB 1 SHORT TO BATTERY When Monitored and Set Condition: LEFT CURTAIN SQUIB 1 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage of the Left Curtain Squib 1 circuits. Set Condition: When the ACM detects voltage on the Left Squib 1 circuits. POSSIBLE CAUSES LEFT CURTAIN SQUIB 1 SHORT TO BATTERY LEFT CURTAIN SQUIB 1 LINE 1 OR LINE 2 SHORT TO BATTERY...
Page 89 AIRBAG LEFT CURTAIN SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Left Curtain Airbag connector(s). NOTE: Check connectors - Clean repair as necessary.
Page 90 AIRBAG LEFT CURTAIN SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 91: Left Curtain Squib 1 Short To Ground
AIRBAG Symptom: LEFT CURTAIN SQUIB 1 SHORT TO GROUND When Monitored and Set Condition: LEFT CURTAIN SQUIB 1 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Left Curtain Squib 1 circuits. Set Condition: When the ACM detects a short to ground in either Left Curtain Squib 1 circuits.
Page 92 AIRBAG LEFT CURTAIN SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Left Curtain Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SUR- FACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY...
Page 93 AIRBAG LEFT CURTAIN SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 94: Left Side Impact Sensor 1 Internal 1
AIRBAG Symptom: LEFT SIDE IMPACT SENSOR 1 INTERNAL 1 When Monitored and Set Condition: LEFT SIDE IMPACT SENSOR 1 INTERNAL 1 When Monitored: At ignition on, the Left Side Impact Sensor 1 is equipped with onboard diagnostics to monitor the sensors internal circuits. If a problem is identified the sensor sends the Left Side Impact Sensor 1 internal 1 message to the ACM.
Page 95 AIRBAG LEFT SIDE IMPACT SENSOR 1 INTERNAL 1 — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 96: Loss Of Ignition Run - Start
AIRBAG Symptom: LOSS OF IGNITION RUN - START When Monitored and Set Condition: LOSS OF IGNITION RUN - START When Monitored: With the ignition in the Run-Start position the ACM monitors the Fused Ignition Switch Output Run-Start circuit for proper system voltage. Set Condition: If the voltage on the Fused Ignition Switch Output Run-Start circuit drops below approximately 4.5 volts, the code will set.
Page 97 AIRBAG LOSS OF IGNITION RUN - START — Continued TEST ACTION APPLICABILITY Measure the resistance of the Fused Ignition Switch Output Run-Start circuit between the Airbag Run - Start Fuse and ground. Is the resistance below 10.0 ohms? Yes → Go To 4 →...
Page 98 AIRBAG LOSS OF IGNITION RUN - START — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 99 AIRBAG LOSS OF IGNITION RUN - START — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 100: Loss Of Ignition Run Only
AIRBAG Symptom: LOSS OF IGNITION RUN ONLY When Monitored and Set Condition: LOSS OF IGNITION RUN ONLY When Monitored: With the ignition in the run position the module monitors the Run Only circuit for proper system voltage. Set Condition: If the voltage on the Run Only circuit drops below 6.0 volts, the code will set.
Page 101 AIRBAG LOSS OF IGNITION RUN ONLY — Continued TEST ACTION APPLICABILITY Remove the Airbag Run fuse. NOTE: Check connectors - Clean and repair as necessary. Measure the resistance of the Fused Ignition Switch Output Run circuit between the Run Fuse and ground. Is the resistance below 10.0 ohms? Yes →...
Page 102 AIRBAG LOSS OF IGNITION RUN ONLY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Airbag Control Module connector. NOTE: Check connectors - Clean and repair as necessary. Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module connector(s).
Page 103 AIRBAG LOSS OF IGNITION RUN ONLY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 104: Missing Current Vin
AIRBAG Symptom: MISSING CURRENT VIN When Monitored and Set Condition: MISSING CURRENT VIN When Monitored: The first time a new ACM is powered up it monitors the PCI Bus for 2 consecutive identical VIN messages. The complete VIN is then permanently stored into memory and the 6th digit is used to identify a light duty (1) or heavy duty (2, 3 or 4) vehicle.
Page 105 AIRBAG MISSING CURRENT VIN — Continued TEST ACTION APPLICABILITY With the DRB select ENGINE MISCELLANEOUS, select MISC FUNCTION, and then CHECK VIN to read the Vehicle Identification Number in the Powertrain Control Module. Compare the VIN displayed on the DRB screen and the Vehicle VIN plate. Does the VIN plate and the PCM VIN match? Yes →...
Page 106 AIRBAG MISSING CURRENT VIN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 107: Module Not Configured For Pab Off Switch
AIRBAG Symptom: MODULE NOT CONFIGURED FOR PAB OFF SWITCH When Monitored and Set Condition: MODULE NOT CONFIGURED FOR PAB OFF SWITCH When Monitored: When the ACM is not configured for an ON - OFF switch, the ACM monitors the Passenger Airbag On - Off Switch inputs to determine if a switch is present. Set Condition: The code will set, if the ACM detects a Passenger Airbag ON - OFF Switch connected to the Airbag Control Module.
Page 108 AIRBAG MODULE NOT CONFIGURED FOR PAB OFF SWITCH — Continued TEST ACTION APPLICABILITY Select Restraints, Airbag and then Miscellaneous from the DRB menu. Follow instructions to verify the ACM switch configuration. Does the DRB show Configured for PAB OFF Switch? Yes →...
Page 109 AIRBAG MODULE NOT CONFIGURED FOR PAB OFF SWITCH — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 110: No Cluster Message
AIRBAG Symptom: NO CLUSTER MESSAGE When Monitored and Set Condition: NO CLUSTER MESSAGE When Monitored: With ignition on, the ACM monitors the PCI Bus for a message from the MIC containing the airbag warning indicator status. The MIC transmits the message one time at ignition on, lamp state change, or in response to the ACM message.
Page 111 AIRBAG NO CLUSTER MESSAGE — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, TO AVOID PERSONAL INJURY OR DEATH, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 112: No Left Side Impact Sensor 1 Communication
AIRBAG Symptom: NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION When Monitored and Set Condition: NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION When Monitored: The ACM continuously communicates with the Left Side Impact Sensor 1 over the sensor signal circuit. The sensor communication and onboard diagnostics are powered by the ACM signal.
Page 113 AIRBAG NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Left Side Impact Sensor 1 connector. Disconnect the Airbag Control Module connector.
Page 114 AIRBAG NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY Replace the Left Side Impact Sensor 1. Reconnect the vehicle body harness to the impact sensor. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
Page 115 AIRBAG NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 116: No Pci Loopback
AIRBAG Symptom List: NO PCI LOOPBACK NO PCI TRANSMISSION Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be NO PCI LOOPBACK. When Monitored and Set Condition: NO PCI LOOPBACK When Monitored: With the ignition on and the module transmitting information on the BUS.
Page 117 AIRBAG NO PCI LOOPBACK — Continued TEST ACTION APPLICABILITY Turn the ignition on. NOTE: Ensure the battery is fully charged. NOTE: For the purpose of this test, the AECM and ORC modules will be referred to as an ACM. From the list below, select the appropriate module and DTC type for this diagnostic trouble code.
Page 118 AIRBAG NO PCI LOOPBACK — Continued TEST ACTION APPLICABILITY Ensure that the battery is fully charged. WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the ACM harness connector. Connect the appropriate Load Tool ACM Adapter to the ACM connector.
Page 119 AIRBAG NO PCI LOOPBACK — Continued TEST ACTION APPLICABILITY NOTE: Ensure there is PCI bus communication with other modules. If not, refer to the PCI Bus Communication Failure symptom and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING.
Page 120 AIRBAG NO PCI LOOPBACK — Continued TEST ACTION APPLICABILITY NOTE: Reconnect the PCM/ECM harness connector and the negative bat- tery cable. Turn the ignition on. Measure the voltage of the PCI Bus circuit at the Data Link Connector (DLC). Is the voltage above 7.0 volts? Yes →...
Page 121: No Right Side Impact Sensor 1 Communication
AIRBAG Symptom: NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION When Monitored and Set Condition: NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION When Monitored: The ACM continuously communicates with the Right Side Impact Sensor 1 over the sensor signal circuit. The sensor communication and onboard diagnostics are powered by the ACM signal.
Page 122 AIRBAG NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Right Side Impact Sensor 1 connector. Disconnect the Airbag Control Module connector.
Page 123 AIRBAG NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY Replace the Right Side Impact Sensor 1 . Reconnect the vehicle body harness to the impact sensor. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
Page 124 AIRBAG NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 125: Occupant Classification Module Configuration Mismatch
AIRBAG Symptom: OCCUPANT CLASSIFICATION MODULE CONFIGURATION MIS- MATCH When Monitored and Set Condition: OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH When Monitored: At Ignition on the Airbag Control Module monitors the PCI Bus messages for OCM PCI Bus messages and then compares the messages to the ACM configuration.
Page 126 AIRBAG OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH — Continued TEST ACTION APPLICABILITY NOTE: Check connectors - Clean and repair as necessary. With the DRBIII read the VIN and ACM part number. Verify that the ACM is the correct part for this vehicle. Is this the correct ACM for this vehicle? Yes →...
Page 127: Passenger Airbag On-Off Switch Open
AIRBAG Symptom: PASSENGER AIRBAG ON-OFF SWITCH OPEN When Monitored and Set Condition: PASSENGER AIRBAG ON-OFF SWITCH OPEN When Monitored: When the ignition is on, the PAB MUX Switch Sense circuit supplies a 3 to 10 ms pulse every 100 ms across the On or Off switch resistor to the MUX Switch Return circuit.
Page 128 AIRBAG PASSENGER AIRBAG ON-OFF SWITCH OPEN — Continued TEST ACTION APPLICABILITY Gain access to the Passenger Airbag On - Off Switch connector. Is the Passenger Airbag On - Off Switch connected to the dash harness? Yes → Go To 4 →...
Page 129 AIRBAG PASSENGER AIRBAG ON-OFF SWITCH OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 130: Passenger Airbag On-Off Switch Short To Battery
AIRBAG Symptom: PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY When Monitored and Set Condition: PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY When Monitored: When the ignition is on, the MUX Switch Sense circuit supplies a 3 to 10 ms pulse every 100 ms across the switch resister to the MUX switch return circuit. Once the code is active, the ACM will disable the indicator for the duration of the ignition cycle.
Page 131 AIRBAG PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Passenger Airbag On - Off Switch. NOTE: Check connectors - Clean and repair as necessary. Measure the PAB On - Off Switch resistance between terminals 1 &...
Page 132 AIRBAG PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 133: Passenger Airbag On-Off Switch Short To Ground
AIRBAG Symptom: PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND When Monitored and Set Condition: PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND When Monitored: When the ignition is on, the PAB MUX Switch Sense circuit supplies a 3 to 10 ms pulse every 100 ms across the On or Off switch resistor to the MUX switch return circuit.
Page 134 AIRBAG PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag On - Off Switch. NOTE: Check connectors - Clean and repair as necessary.
Page 135: Passenger Off Indicator Circuit Short To Battery
AIRBAG Symptom: PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY When Monitored and Set Condition: PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY When Monitored: When the ignition is on, the ACM monitors the PAB Indicator Driver circuit for voltage from the PAB Off indicator circuit. Set Condition: The code will set if the ACM senses battery voltage on the PAB Indicator Driver circuit.
Page 136 AIRBAG PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag On - Off Switch. NOTE: Check connectors - Clean and repair as necessary.
Page 137 AIRBAG PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 138: Passenger Off Indicator Circuit Short To Ground
AIRBAG Symptom: PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND When Monitored and Set Condition: PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND When Monitored: When the ignition is on, the ACM monitors the PAB Indicator Driver circuit for voltage on the PAB Off indicator circuit. Set Condition: The code will set if the ACM cannot detect voltage on the PAB Indicator Driver circuit.
Page 139 AIRBAG PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Is this vehicle equipped with a Passenger Airbag On - Off Switch? Yes → Go To 4 → With the DRBIII in MISCELLANEOUS, read the Configure for Airbag ON - OFF Switch current status.
Page 140 AIRBAG PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Disconnect the Airbag Control Module connector NOTE: Check connectors - Clean and repair as necessary. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE- CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND PERSONAL INJURY OR DEATH.
Page 141 AIRBAG PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 142: Passenger Seat Belt Tensioner Circuit Open
AIRBAG Symptom: PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN When Monitored and Set Condition: PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Seat Belt Tensioner circuits. Set Condition: When the ACM detects an open circuit or high resistance in the Passenger Seat Belt Tensioner circuits.
Page 143 AIRBAG PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Passenger SBT connector. Disconnect the Airbag control Module connector(s).
Page 144 AIRBAG PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 145: Passenger Seat Belt Tensioner Circuit Short
AIRBAG Symptom: PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT When Monitored and Set Condition: PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance between the Passenger Seat Belt Tensioner circuits. Set Condition: When the ACM detects low resistance in the Passenger Seat Belt Tensioner circuits.
Page 146 AIRBAG PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Passenger Seat Belt Tensioner connector. Disconnect the Airbag Control Module connector(s).
Page 147 AIRBAG PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 148: Passenger Seat Belt Tensioner Short To Battery
AIRBAG Symptom: PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY When Monitored and Set Condition: PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY When Monitored: When the ignition is on, the ACM monitors the voltage of the Passenger Seat Belt Tensioner circuits. Set Condition: When the ACM detects voltage on the Passenger Seat Belt Tensioner circuits.
Page 149 AIRBAG PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Passenger Seat Belt Tensioner connector. Disconnect the Airbag Control Module Connector(s).
Page 150 AIRBAG PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 151: Passenger Seat Belt Tensioner Short To Ground
AIRBAG Symptom: PASSENGER SEAT BELT TENSIONER SHORT TO GROUND When Monitored and Set Condition: PASSENGER SEAT BELT TENSIONER SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Seat Belt Tensioner circuits. Set Condition: When the ACM detects la short to ground in either Passenger Seat Belt Tensioner circuits.
Page 152 AIRBAG PASSENGER SEAT BELT TENSIONER SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Load Tool from the Passenger Seat Belt Tensioner connector. Disconnect the Airbag Control Module Connector(s).
Page 153 AIRBAG PASSENGER SEAT BELT TENSIONER SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 154: Passenger Squib 1 Circuit Open
AIRBAG Symptom: PASSENGER SQUIB 1 CIRCUIT OPEN When Monitored and Set Condition: PASSENGER SQUIB 1 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Squib 1 circuits. Set Condition: When the ACM detects an open circuit or high resistance on the Passenger Squib 1 circuits.
Page 155 AIRBAG PASSENGER SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 156 AIRBAG PASSENGER SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 157: Passenger Squib 1 Circuit Short
AIRBAG Symptom: PASSENGER SQUIB 1 CIRCUIT SHORT When Monitored and Set Condition: PASSENGER SQUIB 1 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance between the Passenger Squib 1 circuits. Set Condition: When the ACM detects low resistance in the Passenger Squib 1 circuits. POSSIBLE CAUSES PAB SQUIB 1 CIRCUIT SHORT PAB SQUIB 1 LINE 1 SHORT TO LINE 2...
Page 158 AIRBAG PASSENGER SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 159 AIRBAG PASSENGER SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 160: Passenger Squib 1 Short To Battery
AIRBAG Symptom: PASSENGER SQUIB 1 SHORT TO BATTERY When Monitored and Set Condition: PASSENGER SQUIB 1 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage on the Passenger Squib 1 circuits. Set Condition: When the ACM detects voltage on the Passenger Squib 1 circuits. POSSIBLE CAUSES PAB SQUIB 1 CIRCUITS SHORT TO BATTERY PAB SQUIB 1 LINE 1 OR LINE 2 SHORT TO BATTERY...
Page 161 AIRBAG PASSENGER SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 162 AIRBAG PASSENGER SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 163: Passenger Squib 1 Short To Ground
AIRBAG Symptom: PASSENGER SQUIB 1 SHORT TO GROUND When Monitored and Set Condition: PASSENGER SQUIB 1 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Squib 1 circuits. Set Condition: When the ACM detects a short to ground in either Passenger Squib 1 circuits.
Page 164 AIRBAG PASSENGER SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 165 AIRBAG PASSENGER SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 166: Passenger Squib 2 Circuit Open
AIRBAG Symptom: PASSENGER SQUIB 2 CIRCUIT OPEN When Monitored and Set Condition: PASSENGER SQUIB 2 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Squib 2 circuits. Set Condition: When the ACM detects an open circuit or high resistance on the Passenger Squib 2 circuits.
Page 167 AIRBAG PASSENGER SQUIB 2 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 168 AIRBAG PASSENGER SQUIB 2 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 169: Passenger Squib 2 Circuit Short
AIRBAG Symptom: PASSENGER SQUIB 2 CIRCUIT SHORT When Monitored and Set Condition: PASSENGER SQUIB 2 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance between the Passenger Squib 2 circuits. Set Condition: When the ACM detects low resistance in the Passenger Squib 2 circuits. POSSIBLE CAUSES PASSENGER AIRBAG SQUIB 2 CIRCUIT SHORT PASSENGER SQUIB 2 LINE 1 SHORT TO LINE 2...
Page 170 AIRBAG PASSENGER SQUIB 2 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 171 AIRBAG PASSENGER SQUIB 2 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 172: Passenger Squib 2 Short To Battery
AIRBAG Symptom: PASSENGER SQUIB 2 SHORT TO BATTERY When Monitored and Set Condition: PASSENGER SQUIB 2 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage of the Passenger Squib 2 circuits. Set Condition: When the ACM detects voltage on the Passenger Squib 2 circuits. POSSIBLE CAUSES PASSENGER AIRBAG SQUIB 2 CIRCUIT SHORT TO BATTERY PASSENGER SQUIB 2 LINE 1 OR LINE 2 SHORT TO BATTERY...
Page 173 AIRBAG PASSENGER SQUIB 2 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 174 AIRBAG PASSENGER SQUIB 2 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 175: Passenger Squib 2 Short To Ground
AIRBAG Symptom: PASSENGER SQUIB 2 SHORT TO GROUND When Monitored and Set Condition: PASSENGER SQUIB 2 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Passenger Squib 2 circuits. Set Condition: When the ACM detects a short to ground in either Passenger Squib 2 circuits.
Page 176 AIRBAG PASSENGER SQUIB 2 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Passenger Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED.
Page 177 AIRBAG PASSENGER SQUIB 2 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 178: Right Curtain Squib 1 Circuit Open
AIRBAG Symptom: RIGHT CURTAIN SQUIB 1 CIRCUIT OPEN When Monitored and Set Condition: RIGHT CURTAIN SQUIB 1 CIRCUIT OPEN When Monitored: With the ignition on, the ACM monitors the resistance of the Right Curtain Squib 1 circuits. Set Condition: When the ACM detects an open circuit or high resistance on the Right Curtain Squib 1 circuits.
Page 179 AIRBAG RIGHT CURTAIN SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Right Curtain Airbag connector. NOTE: Check connectors - Clean and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SUR- FACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY...
Page 180 AIRBAG RIGHT CURTAIN SQUIB 1 CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 181: Right Curtain Squib 1 Circuit Short
AIRBAG Symptom: RIGHT CURTAIN SQUIB 1 CIRCUIT SHORT When Monitored and Set Condition: RIGHT CURTAIN SQUIB 1 CIRCUIT SHORT When Monitored: With the ignition on, the ACM monitors the resistance between the Right Curtain Squib 1 circuits. Set Condition: When the ACM detects a low resistance between the Right Curtain Squib 1 circuits.
Page 182 AIRBAG RIGHT CURTAIN SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. Disconnect the Right Curtain Airbag connector. NOTE: Check connectors - Clean repair as necessary.
Page 183 AIRBAG RIGHT CURTAIN SQUIB 1 CIRCUIT SHORT — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 184: Right Curtain Squib 1 Short To Battery
AIRBAG Symptom: RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY When Monitored and Set Condition: RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY When Monitored: With the ignition on, the ACM monitors the voltage of the Right Curtain Squib 1 circuits. Set Condition: When the ACM detects voltage on the Right Curtain Squib 1 circuits. POSSIBLE CAUSES RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY RIGHT CURTAIN SQUIB 1 LINE 1 OR LINE 2 SHORTED TO BATTERY...
Page 185 AIRBAG RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Right Curtain Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SUR- FACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY...
Page 186 AIRBAG RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 187: Right Curtain Squib 1 Short To Ground
AIRBAG Symptom: RIGHT CURTAIN SQUIB 1 SHORT TO GROUND When Monitored and Set Condition: RIGHT CURTAIN SQUIB 1 SHORT TO GROUND When Monitored: With the ignition on, the ACM monitors the resistance of the Right Curtain Squib 1 circuits. Set Condition: When the ACM detects a short to ground in either Right Curtain Squib 1 circuits.
Page 188 AIRBAG RIGHT CURTAIN SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. Disconnect the Right Curtain Airbag connector(s). NOTE: Check connectors - Clean and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, DO NOT PLACE AN INTACT UNDEPLOYED CURTAIN AIRBAG FACE DOWN ON A HARD SUR- FACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY...
Page 189 AIRBAG RIGHT CURTAIN SQUIB 1 SHORT TO GROUND — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions.
Page 190: Right Side Impact Sensor 1 Internal 1
AIRBAG Symptom: RIGHT SIDE IMPACT SENSOR 1 INTERNAL 1 When Monitored and Set Condition: RIGHT SIDE IMPACT SENSOR 1 INTERNAL 1 When Monitored: At ignition on, the Right Side Impact Sensor 1 is equipped with onboard diagnostics to monitor the sensors internal circuits. If a problem is identified the sensor sends the Right Side Impact Sensor 1 internal 1 message to the ACM.
Page 191 AIRBAG RIGHT SIDE IMPACT SENSOR 1 INTERNAL 1 — Continued TEST ACTION APPLICABILITY WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING. WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY TIME, IT MUST BE REPLACED.
Page 192: Vehicle Body Style Mismatch
AIRBAG Symptom: VEHICLE BODY STYLE MISMATCH When Monitored and Set Condition: VEHICLE BODY STYLE MISMATCH When Monitored: When the ignition is on, the ACM monitors the PCI Bus for the vehicle body style message from the Powertrain Control Module. Set Condition: With ignition on, If the ACM does not receive the vehicle Body Style messages on the bus the code will set.
Page 193 AIRBAG VEHICLE BODY STYLE MISMATCH — Continued TEST ACTION APPLICABILITY With the DRB select ENGINE, MISCELLANEOUS, SELECT MISC FUNCTION, and then CHECK VIN to read the Vehicle Identification Number in the Powertrain Control Module. Compare the VIN displayed on the DRB screen and the Vehicle VIN plate. Does the VIN plate and the PCM VIN match? Yes →...
Page 194 AIRBAG VEHICLE BODY STYLE MISMATCH — Continued TEST ACTION APPLICABILITY With the DRBIII , record and erase all DTC’s from all Airbag modules. If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch positions. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
Page 195: Airbag Indicator On Without Active Trouble Codes
AIRBAG Symptom: *AIRBAG INDICATOR ON WITHOUT ACTIVE TROUBLE CODES POSSIBLE CAUSES AIRBAG WARNING INDICATOR ON WITHOUT ACTIVE TROUBLE CODES INSTRUMENT CLUSTER PROBLEMS TEST ACTION APPLICABILITY NOTE: Ensure the battery is fully charged. Turn the ignition on. Make sure that all active DTC’s have been repaired before performing this procedure. With the DRBIII select the PASSIVE RESTRAINTS, AIRBAG, MONITOR DIS- PLAY and read the WARNING LAMP STATES.
Page 196: Audio
AUDIO Symptom: ALL CHANNELS SHORT TOGETHER OR TO GROUND When Monitored and Set Condition: ALL CHANNELS SHORT TOGETHER OR TO GROUND When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: Each Amplifier channel is shorted together or to ground. POSSIBLE CAUSES ALL CHANNELS SHORTED TO GROUND SPEAKER CHANNELS SHORTED TOGETHER...
Page 197: All Inputs No Activity
AUDIO Symptom: ALL INPUTS NO ACTIVITY When Monitored and Set Condition: ALL INPUTS NO ACTIVITY When Monitored: When the DRBIII performs the amplifier Input Test. Set Condition: The Amplifier detects no activity on any of the input circuits. POSSIBLE CAUSES (+) CIRCUIT SHORTED TO GROUND (-) CIRCUIT SHORTED TO GROUND OPEN SPEAKER CIRCUITS...
Page 198 AUDIO ALL INPUTS NO ACTIVITY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Radio harness connector. Measure the resistance of each speaker (+) and (-) circuit between the Radio and the Amplifier.
Page 199: All Outputs Short - Premium Audio System
AUDIO Symptom: ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM When Monitored and Set Condition: ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM When Monitored: Ignition in RUN and IOD fuse installed. Set Condition: The radio has sensed a short on the output for more than 10 seconds. POSSIBLE CAUSES DETERMINE FAULT SPEAKER SECTION OF POWER AMPLIFIER...
Page 200 AUDIO ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Power Amplifier harness connector. Disconnect the Radio harness connector. Measure the resistance between ground and any speaker (+) circuit. Is the resistance below 1000.0 (1K) ohms? Yes →...
Page 201: All Outputs Short- Base Audio System
AUDIO Symptom: ALL OUTPUTS SHORT- BASE AUDIO SYSTEM When Monitored and Set Condition: ALL OUTPUTS SHORT- BASE AUDIO SYSTEM When Monitored: Ignition in RUN and IOD fuse installed. Set Condition: The radio has sensed a short on the output for more than 10 seconds. POSSIBLE CAUSES DETERMINE FAULT FRONT SHORTED SPEAKER...
Page 202 AUDIO ALL OUTPUTS SHORT- BASE AUDIO SYSTEM — Continued TEST ACTION APPLICABILITY Turn the ignition off. NOTE: Perform this procedure after disconnecting each rear speaker connector. Disconnect each rear speaker harness connector one at a time. Turn the ignition on. Turn the radio on.
Page 203: Cassette Player Inop
AUDIO Symptom List: CASSETTE PLAYER INOP CD MECHANICAL FAILURE NO PCI TRANSMISSION *AM/FM SWITCH INOPERATIVE *ANY STATION PRESET SWITCH INOPERATIVE *BALANCE INOPERATIVE *CD EJECT SWITCH INOPERATIVE *EQUALIZER INOPERATIVE *FADER INOPERATIVE *FF/RW SWITCH INOPERATIVE *HOUR/MINUTE SWITCHES INOPERATIVE *PAUSE/PLAY SWITCH INOPERATIVE *PWR SWITCH INOPERATIVE *SCAN SWITCH INOPERATIVE *SEEK SWITCH INOPERATIVE *SET SWITCH INOPERATIVE...
Page 204 AUDIO CASSETTE PLAYER INOP — Continued TEST ACTION APPLICABILITY NOTE: If a DTC is set, erase the DTC and attempt to reset the DTC. If DTC resets, follow this test. This is an internal radio failure. View repair Repair Replace the Radio. Perform BODY VERIFICATION TEST - VER 1.
Page 205: Cd Play Failure
AUDIO Symptom: CD PLAY FAILURE When Monitored and Set Condition: CD PLAY FAILURE When Monitored: Continuously with the ignition and the radio CD player turned on. Set Condition: The code will set if a CD that is not formatted as a music CD or is scratched, dirty so the radio can not play the CD.
Page 206: Cd Read Failure
AUDIO Symptom: CD READ FAILURE When Monitored and Set Condition: CD READ FAILURE When Monitored: Continuously with the ignition and the radio CD player turned on. Set Condition: The code will set if a CD that is not formatted as a music CD is installed in the radio CD player.
Page 207: Cd Temperature High
AUDIO Symptom: CD TEMPERATURE HIGH When Monitored and Set Condition: CD TEMPERATURE HIGH When Monitored: Continuously with the ignition and the radio CD player turned on. Set Condition: The code will set if the temperature inside the radio CD player is above +85°...
Page 208: Door And/Or Rear Channels Short To Ground
AUDIO Symptom: DOOR AND/OR REAR CHANNELS SHORT TO GROUND When Monitored and Set Condition: DOOR AND/OR REAR CHANNELS SHORT TO GROUND When Monitored: When the DRBIII performs the Speaker Output Test. Set Condition: Each Amplifier front door and/or rear channel is shorted together or to ground.
Page 209 AUDIO DOOR AND/OR REAR CHANNELS SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C2 harness connector Measure the resistance between ground and the Right Rear Speaker (+) circuit. Is the resistance above 1000 ohms? Yes →...
Page 210 AUDIO DOOR AND/OR REAR CHANNELS SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Right Front Door Speaker harness connector. Measure the resistance between ground and both Right Front Door Speaker circuits. Is the resistance below 1000 ohms for either measurement? Yes →...
Page 211: Front Door Channels Short Together Or To Ground
AUDIO Symptom: FRONT DOOR CHANNELS SHORT TOGETHER OR TO GROUND When Monitored and Set Condition: FRONT DOOR CHANNELS SHORT TOGETHER OR TO GROUND When Monitored: When the DRBIII performs the Speaker Output Test. Set Condition: Each Amplifier front door channel is shorted together or to ground. POSSIBLE CAUSES AMPLIFIER FRONT DOOR SPEAKER CIRCUIT SHORTED TO GROUND...
Page 212 AUDIO FRONT DOOR CHANNELS SHORT TOGETHER OR TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Access and disconnect the Right Front and Left Front Door Speaker harness connectors. Disconnect the Amplifier C2 harness connecter. Measure the resistance between ground and each of the 4 Front Door Speaker circuits.
Page 213: Front I/P Channels Shorted Together Or To Ground
AUDIO Symptom: FRONT I/P CHANNELS SHORTED TOGETHER OR TO GROUND When Monitored and Set Condition: FRONT I/P CHANNELS SHORTED TOGETHER OR TO GROUND When Monitored: When the DRBIII performs the Speaker Output Test. Set Condition: Each Amplifier front I/P channel is shorted together or to ground. POSSIBLE CAUSES AMPLIFIER CENTER I/P SPEAKER...
Page 214 AUDIO FRONT I/P CHANNELS SHORTED TOGETHER OR TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Access and disconnect the Center I/P Speaker harness connector. Turn the ignition on. Using the DRB III, perform the Amplifier Pre-test. Is the fault condition still present? Yes →...
Page 215 AUDIO FRONT I/P CHANNELS SHORTED TOGETHER OR TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Access and disconnect the Right I/P Speaker harness connector. Disconnect the Amplifier C2 harness connecter. At the Amplifier C2 harness connector, measure the resistance between the Right I/P Speaker (+) circuit and Right I/P Speaker (-).
Page 216: Gps Antenna Not Connected
AUDIO Symptom: GPS ANTENNA NOT CONNECTED When Monitored and Set Condition: GPS ANTENNA NOT CONNECTED When Monitored: With the ignition on and the radio in navigation mode. Set Condition: The radio does not detect a GPS antenna connection. POSSIBLE CAUSES BAD ANTENNA CONNECTION ANTENNA RADIO...
Page 217: Left And/Or Right Front I/P And Door Channel Short To Ground
AUDIO Symptom: LEFT AND/OR RIGHT FRONT I/P AND DOOR CHANNEL SHORT TO GROUND When Monitored and Set Condition: LEFT AND/OR RIGHT FRONT I/P AND DOOR CHANNEL SHORT TO GROUND When Monitored: When the DRBIII performs the Speaker Output Test. Set Condition: Each Amplifier left and/or right I/P and front door channel is shorted together or to ground.
Page 218 AUDIO LEFT AND/OR RIGHT FRONT I/P AND DOOR CHANNEL SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the Left I/P Speaker (+) circuit. Is the resistance above 1000 ohms? Yes →...
Page 219 AUDIO LEFT AND/OR RIGHT FRONT I/P AND DOOR CHANNEL SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Right I/P Speaker harness connector. Measure the resistance between ground and the Right I/P Speaker (+) circuit. Is the resistance above 1000 ohms? Yes →...
Page 220: Left Front Door And Left Rear Channels Short Across
AUDIO Symptom: LEFT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: LEFT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front Door Speaker and Left Rear Speaker circuits are simultaneously shorted.
Page 221: Left Front Door And Right Rear Channels Short Across
AUDIO Symptom: LEFT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: LEFT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front Door Speaker and Right Rear Speaker circuits are simultaneously shorted.
Page 222: Left Front Door Channel Short Across
AUDIO Symptom: LEFT FRONT DOOR CHANNEL SHORT ACROSS When Monitored and Set Condition: LEFT FRONT DOOR CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front Door Speaker circuit is shorted. POSSIBLE CAUSES LEFT FRONT DOOR CHANNEL SHORT ACROSS LEFT FRONT DOOR SPEAKER CIRCUITS SHORTED...
Page 223: Left Front I/P And Left Front Door Channels Shorted Across
AUDIO Symptom: LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS When Monitored and Set Condition: LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front I/P Speaker and Left Front Door Speaker circuits are simultaneously shorted.
Page 224: Left Front I/P And Left Rear Channels Short Across
AUDIO Symptom: LEFT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: LEFT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front I/P Speaker and Left Rear Speaker circuits are simultaneously shorted.
Page 225: Left Front I/P And Right Front Door Channels Short Across
AUDIO Symptom: LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS When Monitored and Set Condition: LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front I/P Speaker and the Right Front Door Speaker circuits are simultaneously shorted.
Page 226: Left Front I/P And Right Rear Channels Short Across
AUDIO Symptom: LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front I/P Speaker and Right Rear Speaker circuits are simultaneously shorted.
Page 227: Left Front I/P Channel Short Across
AUDIO Symptom: LEFT FRONT I/P CHANNEL SHORT ACROSS When Monitored and Set Condition: LEFT FRONT I/P CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Front I/P Speaker circuit is shorted. POSSIBLE CAUSES LEFT FRONT I/P CHANNEL SHORT ACROSS LEFT FRONT I/P SPEAKER CIRCUITS SHORTED...
Page 228: Left Front Input No Activity
AUDIO Symptom: LEFT FRONT INPUT NO ACTIVITY When Monitored and Set Condition: LEFT FRONT INPUT NO ACTIVITY When Monitored: When the DRBIII performs the amplifier Input Test. Set Condition: The Amplifier detects no activity on the input circuit. POSSIBLE CAUSES (+) CIRCUIT SHORTED TO GROUND (-) CIRCUIT SHORTED TO GROUND OPEN SPEAKER CIRCUITS...
Page 229 AUDIO LEFT FRONT INPUT NO ACTIVITY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Radio harness connector. Measure the resistance of each left front speaker (+) and (-) circuit between the Radio and the Amplifier.
Page 230: Left Rear Channel Short Across
AUDIO Symptom: LEFT REAR CHANNEL SHORT ACROSS When Monitored and Set Condition: LEFT REAR CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Left Rear Speaker circuit is shorted. POSSIBLE CAUSES LEFT REAR CHANNEL SHORT ACROSS LEFT REAR SPEAKER CIRCUITS SHORTED AMPLIFIER TEST...
Page 231: Left Rear Input No Activity
AUDIO Symptom: LEFT REAR INPUT NO ACTIVITY When Monitored and Set Condition: LEFT REAR INPUT NO ACTIVITY When Monitored: When the DRBIII performs the amplifier Input Test. Set Condition: The Amplifier detects no activity on the input circuit. POSSIBLE CAUSES (+) CIRCUIT SHORTED TO GROUND (-) CIRCUIT SHORTED TO GROUND OPEN SPEAKER CIRCUITS...
Page 232 AUDIO LEFT REAR INPUT NO ACTIVITY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Radio harness connector. Measure the resistance of each left rear speaker (+) and (-) circuit between the Radio and the Amplifier.
Page 233: Low Voltage Level
AUDIO Symptom: LOW VOLTAGE LEVEL When Monitored and Set Condition: LOW VOLTAGE LEVEL When Monitored: Set Condition: The radio detects lower than normal voltage. POSSIBLE CAUSES CHECK CHARGING SYSTEM CHECK VOLTAGE LEVEL AT RADIO RADIO TEST ACTION APPLICABILITY Check the charging system in accordance with the service information. Is the charging system operating properly? Yes →...
Page 234: No Antenna Connection
AUDIO Symptom: NO ANTENNA CONNECTION When Monitored and Set Condition: NO ANTENNA CONNECTION When Monitored: With the ignition on and the radio in seek up/down mode. Set Condition: With the radio in seek or scan mode for two minutes and the radio does not detect an antenna connection or does not receive a radio station signal.
Page 235: Pci Failure
AUDIO Symptom: PCI FAILURE When Monitored and Set Condition: PCI FAILURE When Monitored: When the DRBIII performs the PCI Amplifier Test. Set Condition: When the Amplifier detects a fault with the PCI circuitry. POSSIBLE CAUSES AMPLIFIER INTERMITTENT CONDITION TEST ACTION APPLICABILITY NOTE: The fault condition must be present to continue diagnosis.
Page 236: Power Amp Shutdown - Base Audio System
AUDIO Symptom: POWER AMP SHUTDOWN - BASE AUDIO SYSTEM When Monitored and Set Condition: POWER AMP SHUTDOWN - BASE AUDIO SYSTEM When Monitored: Ignition in RUN and IOD fuse installed. Set Condition: The radio has sensed a short on the output for more than 10 seconds. POSSIBLE CAUSES DETERMINE FAULT FRONT SHORTED SPEAKER...
Page 237 AUDIO POWER AMP SHUTDOWN - BASE AUDIO SYSTEM — Continued TEST ACTION APPLICABILITY Turn the ignition off. NOTE: Perform this procedure after disconnecting each rear speaker connector. Disconnect each rear speaker harness connector one at a time. Turn the ignition on. Turn the radio on.
Page 238: Power Amp Shutdown - Premium Audio System
AUDIO Symptom: POWER AMP SHUTDOWN - PREMIUM AUDIO SYSTEM When Monitored and Set Condition: POWER AMP SHUTDOWN - PREMIUM AUDIO SYSTEM When Monitored: Ignition in RUN and IOD fuse installed. Set Condition: The radio has sensed a short on the output for more than 10 seconds. POSSIBLE CAUSES DETERMINE FAULT SPEAKER SECTION OF POWER AMPLIFIER...
Page 239 AUDIO POWER AMP SHUTDOWN - PREMIUM AUDIO SYSTEM — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Power Amplifier harness connector. Disconnect the Radio harness connector. Measure the resistance between ground and any speaker (+) circuit. Is the resistance below 1000.0 (1K) ohms? Yes →...
Page 240: Radio And Nav Gps Antenna Not Connected
AUDIO Symptom: RADIO AND NAV GPS ANTENNA NOT CONNECTED POSSIBLE CAUSES BAD ANTENNA CONNECTION ANTENNA RADIO TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Antenna connectors. Inspect the Antenna connections. Was the Antenna connections clean and tight? Yes → Go To 2 →...
Page 241: Rear Speakers Short Together Or To Ground
AUDIO Symptom: REAR SPEAKERS SHORT TOGETHER OR TO GROUND When Monitored and Set Condition: REAR SPEAKERS SHORT TOGETHER OR TO GROUND When Monitored: When the DRBIII performs the Speaker Output Test. Set Condition: Each Amplifier rear channel is shorted together or to ground. POSSIBLE CAUSES AMPLIFIER LEFT REAR SPEAKER...
Page 242 AUDIO REAR SPEAKERS SHORT TOGETHER OR TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Access and disconnect the Right Rear and Left Rear Speaker harness connectors. Disconnect the Amplifier C2 harness connecter. Measure the resistance between ground and each of the 4 Rear Speaker circuits. Is the resistance above 1000 ohms for each of the measurements? Yes →...
Page 243: Remote Radio Switch Circuit High
AUDIO Symptom: REMOTE RADIO SWITCH CIRCUIT HIGH When Monitored and Set Condition: REMOTE RADIO SWITCH CIRCUIT HIGH When Monitored: With the ignition on. Set Condition: Remote radio control MUX circuit is open (above 5.0 volts). POSSIBLE CAUSES DETERMINE FAULT CLOCKSPRING OPEN GROUND CIRCUIT OPEN OPEN RADIO CONTROL MUX CIRCUIT INSTRUMENT CLUSTER - OPEN INTERNAL...
Page 244 AUDIO REMOTE RADIO SWITCH CIRCUIT HIGH — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Clockspring C1 harness connector. Turn the ignition on. Measure the voltage of the Radio Control MUX circuit at the clockspring C1 harness connector. Is the voltage above 5.0 volts? Yes →...
Page 245 AUDIO REMOTE RADIO SWITCH CIRCUIT HIGH — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Clockspring C1 harness connector. Disconnect the Instrument Cluster harness connectors. Measure the resistance of the Radio Control MUX circuit between the Instrument Cluster connector and the Clockspring C1 connector. Is the resistance below 5.0 ohms? Yes →...
Page 246: Remote Radio Switch Circuit Stuck
AUDIO Symptom: REMOTE RADIO SWITCH CIRCUIT STUCK When Monitored and Set Condition: REMOTE RADIO SWITCH CIRCUIT STUCK When Monitored: With the ignition on. Set Condition: Remote radio control MUX circuit is stuck or shorted to ground for greater than 30 seconds. POSSIBLE CAUSES DETERMINE FAULT LEFT REMOTE RADIO SWITCH STUCK OR SHORTED TO GROUND...
Page 247 AUDIO REMOTE RADIO SWITCH CIRCUIT STUCK — Continued TEST ACTION APPLICABILITY WARNING: To avoid personal injury or death, turn the ignition off, discon- nect the battery and wait 2 minutes before proceeding. CAUTION: Do not place an intact undeployed airbag module face down on a hard surface, the airbag module will propel into the air if accidently deployed.
Page 248 AUDIO REMOTE RADIO SWITCH CIRCUIT STUCK — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Clockspring C1 harness connector. Turn the ignition on. With the DRB, enter Instrument Cluster then Sensors and monitor the Remote Radio SW voltage. Is the voltage above 3.2 volts? Yes →...
Page 249: Right Front Door And Left Rear Channels Short Across
AUDIO Symptom: RIGHT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front Door Speaker and Left Rear Speaker circuits are simultaneously shorted.
Page 250: Right Front Door And Right Rear Channels Short Across
AUDIO Symptom: RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front Door Speaker and Right Rear Speaker circuits are simultaneously shorted.
Page 251: Right Front Door Channel Short Across
AUDIO Symptom: RIGHT FRONT DOOR CHANNEL SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT DOOR CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front Door circuit is shorted. POSSIBLE CAUSES RIGHT FRONT DOOR CHANNEL SHORT ACROSS RIGHT FRONT DOOR SPEAKER CIRCUITS SHORTED AMPLIFIER...
Page 252: Right Front I/P And Left Front Door Channels Short Across
AUDIO Symptom: RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front I/P Speaker and Left Front Door Speaker circuits are simultaneously shorted.
Page 253: Right Front I/P And Left Rear Channels Short Across
AUDIO Symptom: RIGHT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front I/P Speaker and Left Rear Speaker circuits are simultaneously shorted.
Page 254: Right Front I/P And Right Front Door Channels Short Across
AUDIO Symptom: RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front I/P Speaker and Right Front Door Speaker circuits are simultaneously shorted.
Page 255: Right Front I/P And Right Rear Channels Short Across
AUDIO Symptom: RIGHT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front I/P Speaker and Right Rear Speaker circuits are simultaneously shorted.
Page 256: Right Front I/P Channel Short Across
AUDIO Symptom: RIGHT FRONT I/P CHANNEL SHORT ACROSS When Monitored and Set Condition: RIGHT FRONT I/P CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Front I/P Speaker circuit is shorted. POSSIBLE CAUSES RIGHT FRONT I/P CHANNEL SHORT ACROSS RIGHT FRONT I/P SPEAKER CIRCUITS SHORTED...
Page 257: Right Front Input No Activity
AUDIO Symptom: RIGHT FRONT INPUT NO ACTIVITY When Monitored and Set Condition: RIGHT FRONT INPUT NO ACTIVITY When Monitored: When the DRBIII performs the amplifier Input Test. Set Condition: The Amplifier detects no activity on the input circuit. POSSIBLE CAUSES (+) CIRCUIT SHORTED TO GROUND (-) CIRCUIT SHORTED TO GROUND OPEN SPEAKER CIRCUITS...
Page 258 AUDIO RIGHT FRONT INPUT NO ACTIVITY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Radio harness connector. Measure the resistance of each right front speaker (+) and (-) circuit between the Radio and the Amplifier.
Page 259: Right I/P Speaker And Both Rear Channels Short Across
AUDIO Symptom: RIGHT I/P SPEAKER AND BOTH REAR CHANNELS SHORT ACROSS When Monitored and Set Condition: RIGHT I/P SPEAKER AND BOTH REAR CHANNELS SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right I/P Speaker and both Rear Speaker circuits are simulta- neously shorted.
Page 260: Right Rear Channel Short Across
AUDIO Symptom: RIGHT REAR CHANNEL SHORT ACROSS When Monitored and Set Condition: RIGHT REAR CHANNEL SHORT ACROSS When Monitored: When the DRBIII performs the Speaker Output test. Set Condition: When the Right Rear Speaker circuit is shorted. POSSIBLE CAUSES RIGHT REAR CHANNEL SHORT ACROSS RIGHT REAR SPEAKER CIRCUITS SHORTED AMPLIFIER TEST...
Page 261: Right Rear Input No Activity
AUDIO Symptom: RIGHT REAR INPUT NO ACTIVITY When Monitored and Set Condition: RIGHT REAR INPUT NO ACTIVITY When Monitored: When the DRBIII performs the amplifier Input Test. Set Condition: The Amplifier detects no activity on the input circuit. POSSIBLE CAUSES (+) CIRCUIT SHORTED TO GROUND (-) CIRCUIT SHORTED TO GROUND OPEN SPEAKER CIRCUITS...
Page 262 AUDIO RIGHT REAR INPUT NO ACTIVITY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Radio harness connector. Measure the resistance of each right rear speaker (+) and (-) circuit between the Radio and the Amplifier.
Page 263: Software Checksum Failure
AUDIO Symptom: SOFTWARE CHECKSUM FAILURE When Monitored and Set Condition: SOFTWARE CHECKSUM FAILURE When Monitored: When the DRBIII performs the PCI Amplifier Test. Set Condition: When the Amplifier detects a fault with the software checksum. POSSIBLE CAUSES AMPLIFIER INTERMITTENT CONDITION TEST ACTION APPLICABILITY...
Page 264: Amplifier Pretest
AUDIO Symptom: *AMPLIFIER PRETEST POSSIBLE CAUSES AMPLIFIER PRETEST NO FAULT MESSAGE DISPLAYED TEST ACTION APPLICABILITY NOTE: Perform this test if the vehicle is experiencing a problem with no sound or poor sound quality from a speaker or channel. Turn the ignition on. Turn the radio on.
Page 265: Chime Inoperative
CHIME Symptom: *CHIME INOPERATIVE POSSIBLE CAUSES ACTUATE CHIME WITH DRBIII INSTRUMENT CLUSTER - CHIME INOPERATIVE TEST ACTION APPLICABILITY Turn the ignition on. Close the doors. With the DRBIII , actuate the Chime. Does the chime sound when actuated by the DRB? Yes →...
Page 266: Chime Sounds With Driver Door Open Key Removed
CHIME Symptom: *CHIME SOUNDS WITH DRIVER DOOR OPEN KEY REMOVED POSSIBLE CAUSES KEY-IN IGN SW STATUS KEY-IN IGNITION SWITCH SHORTED KEY-IN IGNITION SW SENSE SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY NOTE: Ensure the exterior lamps turn on and off properly and are off before continuing this test.
Page 267: Key In Ignition And Driver's Door Open Chime Inoperative
CHIME Symptom: *KEY IN IGNITION AND DRIVER’S DOOR OPEN CHIME INOPER- ATIVE POSSIBLE CAUSES OBSERVE THE KEY-IN IGNITION SWITCH STATUS KEY-IN IGNITION SWITCH OPEN KEY-IN IGNITION SWITCH GROUND CIRCUIT OPEN KEY-IN IGNITION SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER - INCORRECT KEY-IN IGNITION SWITCH STATUS TEST ACTION APPLICABILITY...
Page 268 CHIME *KEY IN IGNITION AND DRIVER’S DOOR OPEN CHIME INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Ignition Switch harness connector. Disconnect the Instrument Cluster C3 harness connector. Measure the resistance of the Key-In Ignition Switch Sense circuit between the ignition switch connector and the Instrument Cluster C3 connector .
Page 269: Vehicle Speed Warning Chime Problem
CHIME Symptom: *VEHICLE SPEED WARNING CHIME PROBLEM POSSIBLE CAUSES INCORRECT COUNTRY CODE PROGRAMMED IN INSTRUMENT CLUSTER INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Note: The high speed warning chime is for Gulf Coast Countries only. With the DRBIII in Miscellaneous check the Instrument Cluster country code setting.
Page 270: Fcm - Bus Shorted To Battery
COMMUNICATION Symptom List: FCM - BUS SHORTED TO BATTERY FCM - BUS SHORTED TO GROUND Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be FCM - BUS SHORTED TO BATTERY. When Monitored and Set Condition: FCM - BUS SHORTED TO BATTERY When Monitored: Continuously...
Page 271: Fcm - Eeprom Checksum Failure
COMMUNICATION Symptom List: FCM - EEPROM CHECKSUM FAILURE FCM - INTERNAL BOOTLOADER CHECKSUM FAILURE FCM - INTERNAL FLASH MEMORY CHECKSUM FAILURE FCM - PCI BUS INTERNAL - LOOPBACK FAILURE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be FCM - EEPROM CHECKSUM FAILURE.
Page 272: Fcm - Mic Messages Not Received
COMMUNICATION Symptom: FCM - MIC MESSAGES NOT RECEIVED When Monitored and Set Condition: FCM - MIC MESSAGES NOT RECEIVED When Monitored: With the ignition on. Set Condition: The FCM does not receive any messages from the MIC for at least 5 seconds.
Page 273: Fcm - Pcm Messages Not Received
COMMUNICATION Symptom: FCM - PCM MESSAGES NOT RECEIVED When Monitored and Set Condition: FCM - PCM MESSAGES NOT RECEIVED When Monitored: Withe the ignition on. Set Condition: The FCM does not receive any messages from the PCM for at least 5 seconds.
Page 274 COMMUNICATION FCM - PCM MESSAGES NOT RECEIVED — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM harness connector. CAUTION: IF NGC, DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION.
Page 275: Fcm - Vin Not Learned Correctly
COMMUNICATION Symptom: FCM - VIN NOT LEARNED CORRECTLY When Monitored and Set Condition: FCM - VIN NOT LEARNED CORRECTLY When Monitored: With the ignition on. Set Condition: The VIN is programmed into the FCM via PCI Bus messages from the PCM/ECM.
Page 276: No Response From Airbag Control Module
COMMUNICATION Symptom: *NO RESPONSE FROM AIRBAG CONTROL MODULE POSSIBLE CAUSES CHECKING FOR VOLTAGE AT ACM GROUND CIRCUIT OPEN PCI BUS CIRCUIT OPEN AIRBAG CONTROL MODULE TEST ACTION APPLICABILITY Ensure that the battery is fully charged. WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING.
Page 277 COMMUNICATION *NO RESPONSE FROM AIRBAG CONTROL MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI bus communication with other modules. If not, refer to the PCI Bus Communication Failure symptom and repair as necessary. WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI- TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE- FORE PROCEEDING.
Page 278: No Response From Amplifier
COMMUNICATION Symptom: *NO RESPONSE FROM AMPLIFIER POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE RADIO GROUND CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN OPEN PCI BUS CIRCUIT AMPLIFIER TEST ACTION APPLICABILITY Turn the ignition on. NOTE: The Radio must be turned on for the DRB to get a response from the Amplifier.
Page 279 COMMUNICATION *NO RESPONSE FROM AMPLIFIER — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the Amplifier C1 harness connector. Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and black test probes.
Page 280: No Response From Compass Mini-Trip Computer
COMMUNICATION Symptom: *NO RESPONSE FROM COMPASS MINI-TRIP COMPUTER POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE MIC GROUND CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN OPEN PCI BUS CIRCUIT COMPASS MINI-TRIP COMPUTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRB, attempt to communicate with the Instrument Cluster.
Page 281 COMMUNICATION *NO RESPONSE FROM COMPASS MINI-TRIP COMPUTER — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the CMTC harness connector.
Page 282: No Response From Controller Antilock Brake
COMMUNICATION Symptom: *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE POSSIBLE CAUSES NO RESPONSE FROM CAB GROUND CIRCUIT OPEN OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN PCI BUS CIRCUIT CONTROLLER ANTILOCK BRAKE TEST ACTION APPLICABILITY Turn the ignition on. Note: As soon as one or more module communicates with the DRB, answer the question.
Page 283 COMMUNICATION *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the CAB C1 harness connector.
Page 284: No Response From Ecm (Pci Bus) - Diesel Only
COMMUNICATION Symptom: *NO RESPONSE FROM ECM (PCI BUS) - DIESEL ONLY POSSIBLE CAUSES ECM PCI NO RESPONSE PCI BUS CIRCUIT OPEN ENGINE CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. NOTE: As soon as one or more module communicates with the DRB, answer the question.
Page 285 COMMUNICATION *NO RESPONSE FROM ECM (PCI BUS) - DIESEL ONLY — Continued TEST ACTION APPLICABILITY With the DRBIII read ECM Diagnostic Trouble Codes. This is to ensure power and grounds to the ECM are operational. NOTE: If the DRBIII will not read ECM DTC’s, follow the NO RESPONSE TO ECM (SCI only) symptom path.
Page 286: No Response From Ecm (Sci Only) - Diesel Only
COMMUNICATION Symptom: *NO RESPONSE FROM ECM (SCI ONLY) - DIESEL ONLY POSSIBLE CAUSES INSPECT WIRING HARNESS AND CONNECTORS CHECK ECM POWERS AND GROUNDS SCI CIRCUIT(S) SHORTED TO GROUND SCI CIRCUIT(S) SHORTED TO VOLTAGE SCI CIRCUIT(S) OPEN SCI CIRCUIT(S) SHORTED TOGETHER ENGINE CONTROL MODULE TEST ACTION...
Page 287 COMMUNICATION *NO RESPONSE FROM ECM (SCI ONLY) - DIESEL ONLY — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the ECM harness connectors. Disconnect the DRB from the DLC. Measure the resistance of the SCI Transmit circuit between the ECM harness connector and the DLC.
Page 288: No Response From Front Control Module
COMMUNICATION Symptom: *NO RESPONSE FROM FRONT CONTROL MODULE POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH ANOTHER MODULE OPEN GROUND CIRCUIT(S) OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN PCI BUS CIRCUIT FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRB, attempt to communicate with the Airbag Control Module. With the DRB, attempt to communicate with the Controller Antilock Brake (CAB) module.
Page 289 COMMUNICATION *NO RESPONSE FROM FRONT CONTROL MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Remove the Front Control Module from the IPM.
Page 290: No Response From Hands Free Module
COMMUNICATION Symptom: *NO RESPONSE FROM HANDS FREE MODULE POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE MIC GROUND CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OPEN PCI BUS CIRCUIT HANDS FREE MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , attempt to communicate with the Instrument Cluster.
Page 291 COMMUNICATION *NO RESPONSE FROM HANDS FREE MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the Hands Free Module harness connector.
Page 292: No Response From Hvac
COMMUNICATION Symptom: *NO RESPONSE FROM HVAC POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE INSTRUMENT CLUSTER GROUND CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OPEN PCI BUS CIRCUIT A/C HEATER CONTROL TEST ACTION APPLICABILITY Turn the ignition on. With the DRB, enter Body then Instrument Cluster. Was the DRB able to I/D or communicate with the Instrument Cluster? Yes →...
Page 293 COMMUNICATION *NO RESPONSE FROM HVAC — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the A/C Heater Control C1 harness connector. Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and black test probes.
Page 294: No Response From Instrument Cluster
COMMUNICATION Symptom: *NO RESPONSE FROM INSTRUMENT CLUSTER POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH ANOTHER MODULE OPEN GROUND CIRCUIT(S) OPEN FUSED IGNITION SWITCH OUTPUT CIRCUITS OPEN FUSED B+ CIRCUIT(S) OPEN PCI BUS CIRCUIT INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRB, attempt to communicate with the Airbag Control Module.
Page 295 COMMUNICATION *NO RESPONSE FROM INSTRUMENT CLUSTER — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Instrument Cluster harness connectors. Using a 12-volt test light connected to ground, probe each Fused B+ circuit. Is the test light illuminated for each circuit? Yes →...
Page 296: No Response From Pcm (Pci Bus) - Jtec
COMMUNICATION Symptom: *NO RESPONSE FROM PCM (PCI BUS) - JTEC POSSIBLE CAUSES PCM PCI NO RESPONSE PCI BUS CIRCUIT OPEN POWERTRAIN CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. NOTE: As soon as one or more module communicates with the DRB, answer the question.
Page 297: No Response From Pcm (Pci Bus) - Ngc
COMMUNICATION Symptom: *NO RESPONSE FROM PCM (PCI BUS) - NGC POSSIBLE CAUSES PCM PCI NO RESPONSE POWERTRAIN CONTROL MODULE PCI BUS CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. NOTE: As soon as one or more module communicates with the DRB, answer the question.
Page 298: No Response From Pcm (Pcm Sci Only) - Ngc
COMMUNICATION Symptom: *NO RESPONSE FROM PCM (PCM SCI ONLY) - NGC POSSIBLE CAUSES CHECK PCM POWERS AND GROUNDS PCM SCI TRANSMIT CIRCUIT SHORTED TO VOLTAGE PCM SCI RECEIVE CIRCUIT SHORTED TO VOLTAGE PCM SCI CIRCUITS SHORTED TOGETHER PCM SCI TRANSMIT CIRCUIT SHORTED TO GROUND PCM SCI RECEIVE CIRCUIT SHORTED TO GROUND PCM SCI RECEIVE CIRCUIT OPEN PCM SCI TRANSMIT CIRCUIT OPEN...
Page 299 COMMUNICATION *NO RESPONSE FROM PCM (PCM SCI ONLY) - NGC — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the DRBIII from the DLC. Disconnect the PCM harness connectors. Measure the resistance between the PCM SCI Transmit circuit and the PCM SCI Receive circuit at the Data Link harness connector (cavs 7 and 12).
Page 300 COMMUNICATION *NO RESPONSE FROM PCM (PCM SCI ONLY) - NGC — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM harness connector. Disconnect the DRBIII from the DLC. CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI- NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION.
Page 301: No Response From Pcm (Sci Only) - Jtec
COMMUNICATION Symptom: *NO RESPONSE FROM PCM (SCI ONLY) - JTEC POSSIBLE CAUSES CHECK PCM POWERS AND GROUNDS SCI TRANSMIT CIRCUIT SHORTED TO VOLTAGE TRANSMISSION CONTROL MODULE SCI RECEIVE CIRCUIT SHORTED TO VOLTAGE SCI CIRCUITS SHORTED TOGETHER SCI TRANSMIT CIRCUIT SHORTED TO GROUND SCI RECEIVE CIRCUIT SHORTED TO GROUND SCI RECEIVE CIRCUIT OPEN SCI TRANSMIT CIRCUIT OPEN...
Page 302 COMMUNICATION *NO RESPONSE FROM PCM (SCI ONLY) - JTEC — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the DRBIII from the DLC. Disconnect the PCM harness connectors. Disconnect the TCM harness connector (if equipped). Turn the ignition on. Measure the voltage of the SCI Transmit circuit at the DLC.
Page 303 COMMUNICATION *NO RESPONSE FROM PCM (SCI ONLY) - JTEC — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM C3 harness connector. Disconnect the DRBIII from the DLC. Measure the resistance of the SCI Transmit circuit between the PCM C3 connector and the DLC.
Page 304: No Response From Radio
COMMUNICATION Symptom: *NO RESPONSE FROM RADIO POSSIBLE CAUSES NO RESPONSE FROM RADIO OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN FUSED B+ CIRCUIT RADIO GROUND CIRCUIT OPEN OPEN PCI BUS CIRCUIT RADIO TEST ACTION APPLICABILITY Turn the ignition on. Note: As soon as one or more module communicates with the DRB, answer the question.
Page 305 COMMUNICATION *NO RESPONSE FROM RADIO — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Radio harness connector. Using a 12-volt test light connected to 12-volts, probe both ground circuits. Is the test light illuminated for both circuits? Yes → Go To 5 →...
Page 306: No Response From Sentry Key Immobilizer Module
COMMUNICATION Symptom: *NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE MIC GROUND CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN OPEN PCI BUS CIRCUIT SENTRY KEY IMMOBILIZER MODULE TEST ACTION APPLICABILITY Turn the ignition on.
Page 307 COMMUNICATION *NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the SKIM harness connector.
Page 308: No Response From Transfer Case Control Module
COMMUNICATION Symptom: *NO RESPONSE FROM TRANSFER CASE CONTROL MODULE POSSIBLE CAUSES NO RESPONSE FROM TRANSFER CASE CONTROL MODULE FUSED B(+) CIRCUIT OPEN GROUND CIRCUIT OPEN OPEN PCI BUS CIRCUIT TRANSFER CASE CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. NOTE: As soon as one or more module communicates with the DRBIII , answer the question.
Page 309 COMMUNICATION *NO RESPONSE FROM TRANSFER CASE CONTROL MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Turn the ignition off to the lock position.
Page 310: No Response From Transmission Control Module
COMMUNICATION Symptom: *NO RESPONSE FROM TRANSMISSION CONTROL MODULE POSSIBLE CAUSES NO RESPONSE FROM TRANSMISSION CONTROL MODULE FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN GROUND CIRCUIT(S) OPEN PCI BUS CIRCUIT OPEN POWERTRAIN CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. Note: As soon as one or more module communicates with the DRB, answer the question.
Page 311 COMMUNICATION *NO RESPONSE FROM TRANSMISSION CONTROL MODULE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM harness connectors. CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI- NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Page 312 COMMUNICATION *NO RESPONSE FROM TRANSMISSION CONTROL MODULE — Continued TEST ACTION APPLICABILITY Note: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, refer to the symptom list from the menu and repair as necessary. Disconnect the PCM harness connectors.
Page 313: Pci Bus Communication Failure
COMMUNICATION Symptom: *PCI BUS COMMUNICATION FAILURE POSSIBLE CAUSES WIRING HARNESS INTERMITTENT OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR (DLC) PCI BUS CIRCUIT SHORTED TO VOLTAGE MODULE SHORT TO VOLTAGE PCI BUS CIRCUIT SHORTED TO GROUND MODULE SHORT TO GROUND TEST ACTION APPLICABILITY...
Page 314 COMMUNICATION *PCI BUS COMMUNICATION FAILURE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM/ECM harness connector. Note: If equipped with NGC follow the caution below. CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI- NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION.
Page 315 COMMUNICATION *PCI BUS COMMUNICATION FAILURE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the negative battery cable. Using a ohmmeter, connect one end to the PCI Bus circuit at the DLC, and the other end to ground. While monitoring the ohmmeter, disconnect each module the vehicle is equipped with one at a time.
Page 316: Compass/Mini-Trip Computer
COMPASS/MINI-TRIP COMPUTER Symptom: BUS MESSAGES MISSING POSSIBLE CAUSES NO RESPONSE - PCI BUS - PCM NO REPONSE - PCI BUS - MIC CMTC TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , select SYSTEM MONITORS, then J1850 Module Scan.. Does the DRBIII display PCM Active on the Bus? Yes →...
Page 317: Cmtc Internal Failure
COMPASS/MINI-TRIP COMPUTER Symptom: CMTC INTERNAL FAILURE POSSIBLE CAUSES COMPASS/MINI-TRIP COMPUTER TEST ACTION APPLICABILITY Perform the CMTC Self Test. Turn the ignition off. Press and hold the C/T button and the RESET button. Turn the ignition on. NOTE: The CMTC Self Test can also be performed using the DRBIII . Turn the ignition on.
Page 318: Demagnetize Compass As Per Service Manual
COMPASS/MINI-TRIP COMPUTER Symptom: DEMAGNETIZE COMPASS AS PER SERVICE MANUAL POSSIBLE CAUSES DEMAGNETIZE COMPASS TEST ACTION APPLICABILITY NOTE: A blank compass display indicates that vehicle demagnetizing is required. NOTE: After demagnetizing, the vehicle will enter Auto Fast-Cal when the ignition is turned on. NOTE: Ensure that the correct compass variance is stored in the compass memory.
Page 319: Fcm - Ambient Temp Configuration Error
COMPASS/MINI-TRIP COMPUTER Symptom: FCM - AMBIENT TEMP CONFIGURATION ERROR When Monitored and Set Condition: FCM - AMBIENT TEMP CONFIGURATION ERROR When Monitored: During power up. Set Condition: The FCM detects that an Ambient Temperature Sensor is present on the input circuit and has gone through auto-configuration and another module is transmitting a redundant ambient temp message.
Page 320: Fcm - Ambient Temp Sensor Input Low
COMPASS/MINI-TRIP COMPUTER Symptom: FCM - AMBIENT TEMP SENSOR INPUT LOW When Monitored and Set Condition: FCM - AMBIENT TEMP SENSOR INPUT LOW When Monitored: Continuous with the ignition on. Set Condition: The FCM detects less than 0.5 volts on the Ambient Temperature Sensor Signal circuit.
Page 321 COMPASS/MINI-TRIP COMPUTER FCM - AMBIENT TEMP SENSOR INPUT LOW — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Ambient Temperature Sensor harness connector. Disconnect the IPM C3 harness connector. Measure the resistance between the Ambient Temperature Sensor Signal circuit and the Sensor Ground circuit.
Page 322: Fcm - Ambient Temp Sensor Input Open
COMPASS/MINI-TRIP COMPUTER Symptom: FCM - AMBIENT TEMP SENSOR INPUT OPEN When Monitored and Set Condition: FCM - AMBIENT TEMP SENSOR INPUT OPEN When Monitored: Continuous with the ignition on. Set Condition: The FCM detects more than 5.0 volts on the Ambient Temperature Sensor Signal circuit.
Page 323 COMPASS/MINI-TRIP COMPUTER FCM - AMBIENT TEMP SENSOR INPUT OPEN — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Ambient Temperature Sensor harness connector. Disconnect the IPM C3 harness connector. Measure the resistance of the Sensor Ground circuit between the IPM C2 harness connector and the Sensor harness connector.
Page 324: Set Compass Variance As Per Service Information
COMPASS/MINI-TRIP COMPUTER Symptom: SET COMPASS VARIANCE AS PER SERVICE INFORMATION POSSIBLE CAUSES SET COMPASS VARIANCE TEST ACTION APPLICABILITY Refer to the Service Information for the Compass Variance procedure. View repair for the Verification Test. Repair When the Compass Variance procedure is complete perform the Verification Test.
Page 325: Average Fuel Economy Inaccurate Or Wrong
COMPASS/MINI-TRIP COMPUTER Symptom List: *AVERAGE FUEL ECONOMY INACCURATE OR WRONG *DISTANCE TO EMPTY INACCURATE OR WRONG *ELAPSED IGNITION ON TIME INACCURATE OR WRONG *TRIP ODOMETER INACCURATE OR WRONG Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be *AVERAGE FUEL ECONOMY INACCURATE OR WRONG.
Page 326: Cmtc Or Evic Inoperative
COMPASS/MINI-TRIP COMPUTER Symptom: *CMTC OR EVIC INOPERATIVE POSSIBLE CAUSES FUSED B(+) CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN GROUND CIRCUIT OPEN COMPASS/MINI-TRIP COMPUTER TEST ACTION APPLICABILITY NOTE: Diagnose and repair any MIC, FCM, PCM, or Communication DTCs before proceeding. Turn the ignition off.
Page 327: Compass Test Failure
COMPASS/MINI-TRIP COMPUTER Symptom: *COMPASS TEST FAILURE POSSIBLE CAUSES COMPASS/MINI-TRIP COMPUTER TEST ACTION APPLICABILITY Perform the CMTC self test. Turn the ignition off. Depress and hold the RESET and C/T buttons while turning the ignition on. NOTE: This test may also be performed using the DRBIII . Does the CMTC or DRBIII display FAILED SELF TEST ? Yes →...
Page 328: Temperature Display Inaccurate Or Inoperative
COMPASS/MINI-TRIP COMPUTER Symptom: *TEMPERATURE DISPLAY INACCURATE OR INOPERATIVE POSSIBLE CAUSES AMBIENT TEMPERATURE SENSOR COMPASS/MINI-TRIP COMPUTER TEST ACTION APPLICABILITY NOTE: Diagnose and repair any FCM, CMTC, PCM, or Communication DTCs before proceeding with this test. NOTE: The Ambient Temperature Sensor is hardwired to the FCM (Diesel), or to the PCM.
Page 329: Door Ajar
DOOR AJAR Symptom: *DRIVER DOOR AJAR CIRCUIT OPEN POSSIBLE CAUSES DRIVER DOOR AJAR SWITCH DRIVER DOOR AJAR SWITCH GROUND CIRCUIT OPEN DRIVER DOOR AJAR SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER -DRIVER DOOR AJAR OPEN TEST ACTION APPLICABILITY Disconnect the Driver Door Ajar Switch connector. Connect a jumper wire between the Sense circuit and the Ground circuit.
Page 330: Driver Door Ajar Circuit Shorted To Ground
DOOR AJAR Symptom: *DRIVER DOOR AJAR CIRCUIT SHORTED TO GROUND POSSIBLE CAUSES DRIVER DOOR AJAR SWITCH SHORTED TO GROUND DRIVER DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND INSTRUMENT CLUSTER - DRIVER DOOR AJAR SHORTED TEST ACTION APPLICABILITY With the DRBIII in Inputs/Outputs, read the DRV DOOR AJAR SW state. While monitoring the DRBIII , disconnect the Driver Door Ajar Switch harness connector.
Page 331: Left Rear Door Ajar Circuit Open
DOOR AJAR Symptom: *LEFT REAR DOOR AJAR CIRCUIT OPEN POSSIBLE CAUSES LEFT REAR DOOR AJAR SWITCH LEFT REAR DOOR AJAR SWITCH GROUND CIRCUIT OPEN LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER - LEFT REAR DOOR AJAR OPEN TEST ACTION APPLICABILITY...
Page 332: Left Rear Door Ajar Circuit Short To Ground
DOOR AJAR Symptom: *LEFT REAR DOOR AJAR CIRCUIT SHORT TO GROUND POSSIBLE CAUSES LEFT REAR DOOR AJAR SWITCH SHORTED TO GROUND LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND INSTRUMENT CLUSTER - DRIVER DOOR AJAR SHORTED TEST ACTION APPLICABILITY With the DRBIII in Inputs/Outputs, read the LR DOOR AJAR SW state.
Page 333: Passenger Door Ajar Circuit Shorted To Ground
DOOR AJAR Symptom: *PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND POSSIBLE CAUSES PASSENGER DOOR AJAR SWITCH SHORTED TO GROUND PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND INSTRUMENT CLUSTER - PASSENGER DOOR AJAR SHORTED TEST ACTION APPLICABILITY With the DRBIII in Inputs/Outputs, read the PASS DOOR AJAR SW state. While monitoring the DRBIII , disconnect the Passenger Door Ajar Switch harness connector.
Page 334: Passenger Door Ajar Ckt Open
DOOR AJAR Symptom: *PASSENGER DOOR AJAR CKT OPEN POSSIBLE CAUSES PASSENGER DOOR AJAR SWITCH PASSENGER DOOR AJAR SWITCH GROUND CIRCUIT OPEN PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER - PASSENGER DOOR AJAR OPEN TEST ACTION APPLICABILITY Disconnect the Passenger Door Ajar Switch connector. Connect a jumper wire between the Sense circuit and the Ground circuit.
Page 335: Right Rear Door Ajar Circuit Open
DOOR AJAR Symptom: *RIGHT REAR DOOR AJAR CIRCUIT OPEN POSSIBLE CAUSES RIGHT REAR DOOR AJAR SWITCH RIGHT REAR DOOR AJAR SWITCH GROUND CIRCUIT OPEN RIGHT REAR DOOR AJAR SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER - RIGHT REAR DOOR AJAR OPEN TEST ACTION APPLICABILITY...
Page 336: Right Rear Door Ajar Circuit Short To Ground
DOOR AJAR Symptom: *RIGHT REAR DOOR AJAR CIRCUIT SHORT TO GROUND POSSIBLE CAUSES RIGHT REAR DOOR AJAR SWITCH SHORTED TO GROUND RIGHT REAR DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND INSTRUMENT CLUSTER - RIGHT REAR DOOR AJAR SHORTED TEST ACTION APPLICABILITY With the DRBIII in Inputs/Outputs, read the RR DOOR AJAR SW state.
Page 337: Electrically Heated Systems
ELECTRICALLY HEATED SYSTEMS Symptom: DEFOG RELAY CONTROL CKT SHORTED TO BATT When Monitored and Set Condition: DEFOG RELAY CONTROL CKT SHORTED TO BATT When Monitored: With the Ignition on and the Rear Defogger switch depressed. Set Condition: This DTC will set when the A/C Heater Control Module senses excessive current on the Defogger Relay Control circuit.
Page 338: Electrically Heated Systems
ELECTRICALLY HEATED SYSTEMS DEFOG RELAY CONTROL CKT SHORTED TO BATT — Continued TEST ACTION APPLICABILITY Turn the ignition off. Remove the Heated Mirror Relay and the EBL relay if equipped from the Integrated Power Module. Disconnect the A/C Heater Control Module C1 harness connector. Measure the voltage on the Defogger Relay Control circuit at the A/C Heater Control Module C1 connector with the Ignition off and on.
Page 339: Exterior Lighting
EXTERIOR LIGHTING Symptom: FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT HIGH When Monitored and Set Condition: FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT HIGH When Monitored: With the ignition on. Set Condition: POSSIBLE CAUSES INTERMITTENT CONDITION FOG LAMP RELAY FRONT CONTROL MODULE INTEGRATED POWER MODULE TEST ACTION...
Page 340: Fcm-Front Fog Lamp Relay Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION FOG LAMP RELAY FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Front Fog Lamps on. With the DRBIII , read the DTC information.
Page 341: Fcm-Front Fog Lamp Relay Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION MISSING RELAY FOG LAMP RELAY FRONT CONTROL MODULE FOG LAMP RELAY OUTPUT CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Front Fog Lamps on.
Page 342: Fcm-Front Left Turn Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-FRONT LEFT TURN OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION LEFT FRONT TURN LAMP DRIVER CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Left Front Turn Signal on.
Page 343: Fcm-Front Left Turn Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-FRONT LEFT TURN OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION FRONT CONTROL MODULE LEFT FRONT TURN SIGNAL OUTPUT CIRCUIT OPEN POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Left Front Turn Signal on.
Page 344: Fcm-Front Right Turn Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-FRONT RIGHT TURN OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT FRONT TURN LAMP DRIVER CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Right Front Turn Signal on.
Page 345: Fcm-Front Right Turn Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-FRONT RIGHT TURN OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT FRONT TURN SIGNAL OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Right Front Turn Signal on.
Page 346: Fcm-Left Highbeam Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-LEFT HIGHBEAM OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION LEFT HIGHBEAM OUTPUT CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the High Beams Lamps on.
Page 347: Fcm-Left Highbeam Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-LEFT HIGHBEAM OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION LEFT HIGHBEAM OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Highbeam Lamps on. With the DRBIII , read the DTC information.
Page 348: Fcm-Left Lowbeam Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-LEFT LOWBEAM OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION LEFT LOWBEAM OUTPUT CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Lowbeam Lamps on.
Page 349: Fcm-Left Lowbeam Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-LEFT LOWBEAM OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION LEFT LOWBEAM OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Lowbeam Lamps on. With the DRBIII , read the DTC information.
Page 350: Fcm-Left Stop Lamp Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-LEFT STOP LAMP OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION LEFT BRAKE LAMP FEED CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Stop Lamps.
Page 351: Fcm-Left Stop Lamp Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-LEFT STOP LAMP OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION LEFT BRAKE LAMP FEED CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Stop Lamps.
Page 352: Fcm-Left Trail Relay Output Circuit High
EXTERIOR LIGHTING Symptom: FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT HIGH POSSIBLE CAUSES INTERMITTENT CONDITION FRONT CONTROL MODULE INTEGRATED POWER MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps. With the DRBIII , read the DTC information. Does the DRBIII read: Left Trailer Relay Output Circuit High? Yes →...
Page 353: Fcm-Left Trail Relay Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps. With the DRBIII , read the DTC information. Does the DRBIII read: Left Trailer Relay Output Circuit Low? Yes →...
Page 354: Fcm-Left Trail Relay Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION INTEGRATED POWER MODULE FRONT CONTROL MODULE TRAILER RELAY OUTPUT CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps. With the DRBIII , read the DTC information.
Page 355: Fcm-Park Lamp Relay Output Circuit High
EXTERIOR LIGHTING Symptom: FCM-PARK LAMP RELAY OUTPUT CIRCUIT HIGH POSSIBLE CAUSES INTERMITTENT CONDITION PARK LAMP RELAY FRONT CONTROL MODULE INTEGRATED POWER MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Park Lamps on. With the DRBIII , read the DTC information.
Page 356: Fcm-Park Lamp Relay Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-PARK LAMP RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION PARK LAMP RELAY FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Park Lamps on. With the DRBIII , read the DTC information.
Page 357: Fcm-Park Lamp Relay Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-PARK LAMP RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION MISSING RELAY PARK LAMP RELAY FRONT CONTROL MODULE PARK LAMP RELAY OUTPUT CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Park Lamps on.
Page 358: Fcm-Rear Left Turn Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-REAR LEFT TURN OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION REAR LEFT TURN LAMP DRIVER CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Left Turn signal lamp.
Page 359: Fcm-Rear Left Turn Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-REAR LEFT TURN OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION REAR LEFT TURN SIGNAL OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Left Rear Turn Signal lamp.
Page 360: Fcm-Rear Right Turn Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-REAR RIGHT TURN OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION REAR RIGHT TURN LAMP DRIVER CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Right Rear Turn Signal lamp.
Page 361: Fcm-Rear Right Turn Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-REAR RIGHT TURN OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION REAR RIGHT TURN SIGNAL OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Right Rear Turn Signal lamp.
Page 362: Fcm-Right Highbeam Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-RIGHT HIGHBEAM OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT HIGHBEAM OUTPUT CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Highbeams headlamps.
Page 363: Fcm-Right Highbeam Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-RIGHT HIGHBEAM OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT HIGHBEAM OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Highbeam headlamps. With the DRBIII , read the DTC information.
Page 364: Fcm-Right Lowbeam Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-RIGHT LOWBEAM OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT LOWBEAM OUTPUT CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Lowbeam headlamps.
Page 365: Fcm-Right Lowbeam Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-RIGHT LOWBEAM OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT LOWBEAM OUTPUT CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Lowbeam headlamps. With the DRBIII , read the DTC information.
Page 366: Fcm-Right Stop Lamp Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-RIGHT STOP LAMP OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT BRAKE LAMP FEED CIRCUIT SHORT TO GROUND FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Stop Lamps.
Page 367: Fcm-Right Stop Lamp Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-RIGHT STOP LAMP OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION RIGHT BRAKE LAMP FEED CIRCUIT OPEN FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Stop Lamps.
Page 368: Fcm-Right Trail Relay Output Circuit High
EXTERIOR LIGHTING Symptom: FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT HIGH POSSIBLE CAUSES INTERMITTENT CONDITION FRONT CONTROL MODULE INTEGRATED POWER MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps. With the DRBIII , read the DTC information. Does the DRBIII read: Right Trailer Relay Output Circuit High? Yes →...
Page 369: Fcm-Right Trail Relay Output Circuit Low
EXTERIOR LIGHTING Symptom: FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps. With the DRBIII , read the DTC information. Does the DRBIII read: Right Trailer Relay Output Circuit Low? Yes →...
Page 370: Fcm-Right Trail Relay Output Circuit Open
EXTERIOR LIGHTING Symptom: FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION INTEGRATED POWER MODULE FRONT CONTROL MODULE TRAILER LAMP RELAY OUTPUT CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Trailer Tow Lamps.
Page 371: Mic-Headlamp Switch Input Circuit Open
EXTERIOR LIGHTING Symptom: MIC-HEADLAMP SWITCH INPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION HEADLAMP SWITCH HEADLAMP SWITCH MUX CIRCUIT OPEN INSTRUMENT CLUSTER HEADLAMP SWITCH SENSE CIRCUIT OPEN TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Turn the Headlamps on.
Page 372 EXTERIOR LIGHTING MIC-HEADLAMP SWITCH INPUT CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY Turn the ignition off Disconnect the left side Multifunction Switch connector. Disconnect the Instrument Cluster C2 connector. Measure the resistance of the Headlamp Switch Sense circuit. Is the resistance below 5.0 ohms? Yes →...
Page 373: Mic-Headlamp Switch Input Circuit Shorted
EXTERIOR LIGHTING Symptom: MIC-HEADLAMP SWITCH INPUT CIRCUIT SHORTED POSSIBLE CAUSES INTERMITTENT CONDITION HEADLAMP SWITCH HEADLAMP SWITCH MUX CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Turn the Headlamps on. With the DRBIII , read the DTC information.
Page 374: Mic-Turn Hazard Switch Input Circuit Open
EXTERIOR LIGHTING Symptom: MIC-TURN HAZARD SWITCH INPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION MULTIFUNCTION SWITCH WIPER/TURN/BEAM SELECT SWITCH SENSE INSTRUMENT CLUSTER TURN LAMPS SWITCH FEED CIRCUIT TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Actuate the Hazard Lamps.
Page 375: Mic-Turn Hazard Switch Input Circuit Short
EXTERIOR LIGHTING Symptom: MIC-TURN HAZARD SWITCH INPUT CIRCUIT SHORT POSSIBLE CAUSES INTERMITTENT CONDITION MULTIFUNCTION SWITCH WIPER/TURN/BEAM SELECT SWITCH SENSE CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Actuate the Hazard Lamps.
Page 376: A/C Switch Fault (Active)
HEATING & A/C Symptom List: A/C SWITCH FAULT (ACTIVE) CHECKSUM FAILURE (ACTIVE) DEFOG SWITCH FAULT (ACTIVE) RECIRC SWITCH FAULT (ACTIVE) Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be A/C SWITCH FAULT (ACTIVE). When Monitored and Set Condition: A/C SWITCH FAULT (ACTIVE) When Monitored: With the ignition on.
Page 377: A/C Switch Fault (Stored)
HEATING & A/C Symptom List: A/C SWITCH FAULT (STORED) BACKLIGHT DIMMING RX FAILURE (STORED) BLEND OVERCURRENT (STORED) CHECKSUM FAILURE (STORED) DEFOG SWITCH FAULT (STORED) ENGINE GAUGE RX FAILURE (STORED) EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (STORED) EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (STORED) LOOPBACK TEST FAILURE (STORED) MODE 1 OVERCURRENT (STORED)
Page 378 HEATING & A/C A/C SWITCH FAULT (STORED) — Continued CHECKSUM FAILURE (STORED) When Monitored: At every power up (five seconds after ignition is on). Set Condition: This DTC will set if the calculated check sum does not match the stored value.
Page 379 HEATING & A/C A/C SWITCH FAULT (STORED) — Continued PCM COMMUNICATION FAILURE (STORED) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module does not receive the message from the PCM for more than 5 seconds. This message provides Engine RPM and Vehicle Speed.
Page 380 HEATING & A/C A/C SWITCH FAULT (STORED) — Continued TEST ACTION APPLICABILITY NOTE: Active DTCs must be resolved before diagnosing stored DTCs. NOTE: Anytime a DTC becomes active, or a Cooldown Test fault message, Actuator Circuit Test fault message, or Door Recalibration fault message is displayed, proceed to the conclusion question.
Page 381: Act Ckt Test Passed, Overcurrent Dtcs Active
HEATING & A/C Symptom List: ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE BLEND CIRCUIT SHORTED TO GROUND BLEND CIRCUIT SHORTED TO IGN OR BATT COMMON DRIVER SHORTED TO GROUND COMMON DRIVER SHORTED TO IGN OR BATT MODE 1 CIRCUIT SHORTED TO GROUND MODE 1 CIRCUIT SHORTED TO IGN OR BATT MODE 2 CIRCUIT SHORTED TO GROUND MODE 2 CIRCUIT SHORTED TO IGN OR BATT...
Page 382 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued COMMON DRIVER SHORTED TO IGN OR BATT When Monitored: When the Actuator Circuit Test is executed. Set Condition: This message will set if the A/C - Heater Control detects a short high on the Common Door Driver circuit.
Page 383 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued ZONE CIRCUIT SHORTED TO GROUND When Monitored: When the Actuator Circuit Test is executed. Set Condition: This message will set if the A/C - Heater Control detects a short low on the Driver Blend Door Driver circuit (dual-zone).
Page 384 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued TEST ACTION APPLICABILITY CAUTION: To ensure a proper diagnosis, repair all Short Too Complex messages first, all common door driver ckt related messages next, and all other messages last. CAUTION: The DRBIII can display up to three Actuator Circuit Test messages at a time.
Page 385 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Ensure that the A/C - Heater Control C1 harness connector is connected to the A/C - Heater Control Module. Turn the ignition on. With the DRBIII in HVAC, System Tests, actuate the Actuator Circuit Test.
Page 386 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the A/C - Heater Control C1 harness connector. NOTE: If the Actuator Circuit Test messages, displayed on the DRBIII , identified which circuits are shorted together, then only measure the resistance between those circuits.
Page 387 HEATING & A/C ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Ensure that the A/C - Heater Control C1 harness connector is connected to the A/C - Heater Control Module. Turn the ignition on. With the DRBIII in HVAC, System Tests, actuate the Actuator Circuit Test.
Page 388: Backlight Dimming Rx Failure (Active)
HEATING & A/C Symptom: BACKLIGHT DIMMING RX FAILURE (ACTIVE) When Monitored and Set Condition: BACKLIGHT DIMMING RX FAILURE (ACTIVE) When Monitored: With the ignition on. Set Condition: If the A/C - Heater Control Module does not receive the dimming function message from the Instrument Cluster for more than 5 seconds, then the A/C - Heater Control Module backlighting will default to full brightness and the DTC will set.
Page 389 HEATING & A/C BACKLIGHT DIMMING RX FAILURE (ACTIVE) — Continued TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII in Monitor Display, PCI Bus Messages, look for the VF DIM Msg Present. Does the DRB display: VF DIM Msg present: Yes? Yes →...
Page 390: Blend Calibration Fault
HEATING & A/C Symptom List: BLEND CALIBRATION FAULT MODE 1 CALIBRATION FAULT MODE 2 CALIBRATION FAULT RECIRCULATION CALIBRATION FAULT ZONE CALIBRATION FAULT Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be BLEND CALIBRATION FAULT. When Monitored and Set Condition: BLEND CALIBRATION FAULT When Monitored: When the HVAC Door Recalibration is executed.
Page 391 HEATING & A/C BLEND CALIBRATION FAULT — Continued ZONE CALIBRATION FAULT When Monitored: When the HVAC Door Recalibration is executed. Set Condition: If the driver blend (dual-zone) door’s span is found outside the tolerance due to: open door actuator electrical circuits; a bad door actuator; broken door linkage; a bound up door;...
Page 392 HEATING & A/C BLEND CALIBRATION FAULT — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the A/C - Heater Control Module C1 harness connector. Disconnect the applicable door actuator harness connector. Measure the resistance of the applicable door driver circuit between the A/C - Heater Control Module C1 harness connector and the door actuator harness connector.
Page 393: Blend Overcurrent (Active)
HEATING & A/C Symptom List: BLEND OVERCURRENT (ACTIVE) MODE 1 OVERCURRENT (ACTIVE) MODE 2 OVERCURRENT (ACTIVE) RECIRC OVERCURRENT (ACTIVE) ZONE OVERCURRENT (ACTIVE) Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be BLEND OVERCURRENT (AC- TIVE).
Page 394 HEATING & A/C BLEND OVERCURRENT (ACTIVE) — Continued POSSIBLE CAUSES RUN THE ACTUATOR CIRCUIT TEST TEST ACTION APPLICABILITY View repair Repair With the DRBIII in HVAC, System Tests, actuate the Actuator Circuit Test. Read the Actuator Circuit Test message(s). Return to the symptom list and choose the symptom(s).
Page 395: Blower Not On High
HEATING & A/C Symptom: BLOWER NOT ON HIGH When Monitored and Set Condition: BLOWER NOT ON HIGH When Monitored: When executing the Cooldown Test. Set Condition: This message will be displayed if the blower is not operating at high speed while the Cooldown Test is running.
Page 396: Cooldown Test Sensor Failure
HEATING & A/C Symptom List: COOLDOWN TEST SENSOR FAILURE COOLDOWN TIME EXCESSIVE FAULT Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be COOLDOWN TEST SENSOR FAILURE. When Monitored and Set Condition: COOLDOWN TEST SENSOR FAILURE When Monitored: When executing the Cooldown Test.
Page 397 HEATING & A/C COOLDOWN TEST SENSOR FAILURE — Continued TEST ACTION APPLICABILITY CAUTION: The evaporator temperature must be above 12.7°C (55°F) to test A/C system operation. Turn the ignition on. With the DRBIII , check the PCM for any DTCs. Are any DTCs present? Yes →...
Page 398: Cooldown Test Too Cold To Start
HEATING & A/C Symptom: COOLDOWN TEST TOO COLD TO START When Monitored and Set Condition: COOLDOWN TEST TOO COLD TO START When Monitored: When executing the Cooldown Test. Set Condition: This message will be displayed if the A/C - Heater Control Module sees evaporator temperature below 12.7°C (55°F) when executing the Cooldown Test.
Page 399 HEATING & A/C COOLDOWN TEST TOO COLD TO START — Continued TEST ACTION APPLICABILITY CAUTION: The work area ambient temperature must be above 21.1°C (70°F) to test A/C system operation. Turn the ignition on. With the DRBIII , check the PCM for any DTCs. Are any DTCs present? Yes →...
Page 400 HEATING & A/C COOLDOWN TEST TOO COLD TO START — Continued TEST ACTION APPLICABILITY NOTE: Ensure that the Evaporator Temperature Sensor harness connector is connected to the Evaporator Temperature Sensor. NOTE: Ensure the voltmeter leads meet the terminals in the connector and that there is good terminal to wire connection.
Page 401: Defog Relay Control Ckt Shorted To Batt
HEATING & A/C Symptom: DEFOG RELAY CONTROL CKT SHORTED TO BATT When Monitored and Set Condition: DEFOG RELAY CONTROL CKT SHORTED TO BATT When Monitored: With the ignition on and the EBL switch depressed. Set Condition: This DTC will set when the A/C Heater Control Module senses excessive current on the Heated Mirror Relay Control circuit.
Page 402: Engine Gauge Rx Failure (Active)
HEATING & A/C Symptom List: ENGINE GAUGE RX FAILURE (ACTIVE) PCM COMMUNICATION FAILURE (ACTIVE) REFRIGERANT PRESSURE RX FAILURE (ACTIVE) VIN RX FAILURE (ACTIVE) Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be ENGINE GAUGE RX FAILURE (ACTIVE).
Page 403 HEATING & A/C ENGINE GAUGE RX FAILURE (ACTIVE) — Continued TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , read HVAC DTCs. Does the DRBIII display additional HVAC DTCs? Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1.
Page 404: Evaporator Temperature Sensor Circuit Open (Active)
HEATING & A/C Symptom: EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (ACTIVE) When Monitored and Set Condition: EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (ACTIVE) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module sees voltage above 4.9 volts on the Evaporator Temperature Sensor Signal circuit.
Page 405 HEATING & A/C EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (ACTIVE) — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the A/C - Heater Control Module C1 harness connector. Disconnect the Evaporator Temperature Sensor harness connector. Measure the resistance of the Evaporator Temperature Sensor Signal circuit between the A/C - Heater Control Module C1 harness connector and the Evaporator Temper- ature Sensor harness connector.
Page 406: Evaporator Temperature Sensor Circuit Shorted (Active)
HEATING & A/C Symptom: EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (AC- TIVE) When Monitored and Set Condition: EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (ACTIVE) When Monitored: With the ignition on. Set Condition: This DTC will set if the A/C - Heater Control Module sees voltage below 0.06 volts on the Evaporator Temperature Sensor Signal circuit.
Page 407 HEATING & A/C EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (ACTIVE) — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Evaporator Temperature Sensor harness connector. Disconnect the A/C - Heater Control Module C1 harness connector. Measure the resistance between the Evaporator Temperature Sensor Signal circuit and the Sensor Ground circuit.
Page 408: Loopback Test Failure (Active)
HEATING & A/C Symptom: LOOPBACK TEST FAILURE (ACTIVE) When Monitored and Set Condition: LOOPBACK TEST FAILURE (ACTIVE) When Monitored: When the A/C - Heater Control Module executes an internal loopback test. Set Condition: If the A/C - Heater Control Module fails to send a message, or none of the expected messages arrive for 5 seconds, an internal loopback test is executed.
Page 409: Tx Failure (Active)
HEATING & A/C Symptom: TX FAILURE (ACTIVE) When Monitored and Set Condition: TX FAILURE (ACTIVE) When Monitored: When the ignition is on. Set Condition: This DTC will set if the A/C - Heater Control Module is unable to send a PCI Bus message.
Page 410 HEATING & A/C TX FAILURE (ACTIVE) — Continued TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , erase HVAC DTCs. Cycle the ignition switch and wait approximately 1 minute. With the DRBIII , read HVAC DTC’s. Did this DTC reset? Yes →...
Page 411: A/C - Heater Control Illumination Inoperative
HEATING & A/C Symptom: *A/C - HEATER CONTROL ILLUMINATION INOPERATIVE POSSIBLE CAUSES CHECK FOR INSTRUMENT CLUSTER (MIC) DTCS INOPERATIVE BULB(S) A/C - HEATER CONTROL MODULE PANEL LAMPS DRIVER CIRCUIT OPEN INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII in Body, Electro/Mech Cluster (MIC), read DTCs. Does the DRBIII display any DTCs? Yes →...
Page 412 HEATING & A/C *A/C - HEATER CONTROL ILLUMINATION INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the A/C - Heater Control C1 harness connector. Disconnect the Instrument Cluster C3 harness connector. Measure the resistance of the Panel Lamps Driver circuit between the A/C - Heater Control C1 harness connector and the Instrument Cluster C3 harness connector.
Page 413: A/C Status Indicator Flashing
HEATING & A/C Symptom List: *A/C STATUS INDICATOR FLASHING *EBL STATUS INDICATOR FLASHING Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be *A/C STATUS INDICATOR FLASHING. POSSIBLE CAUSES AC COOLDOWN TEST NEEDS TO BE RUN HVAC DOOR RECALIBRATION NEEDS TO BE RUN TEST ACTION...
Page 414 HEATING & A/C *A/C STATUS INDICATOR FLASHING — Continued TEST ACTION APPLICABILITY NOTE: The EBL status indicator can flash at two different rates, twice per second (fast rate) when the control is indicating that the HVAC Door Recal needs to be run, and once every two seconds (slow rate) when the HVAC Door Recal is in progress.
Page 415: A/C Status Indicator Will Not Illuminate -- A/C - Heater Control
HEATING & A/C Symptom: *A/C STATUS INDICATOR WILL NOT ILLUMINATE -- A/C - HEATER CONTROL WITHOUT EBL SW POSSIBLE CAUSES HVAC DOOR RECALIBRATION FAILED A/C - HEATER CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII in HVAC, System Tests, actuate the HVAC Door Recalibration Test.
Page 416: Blend/Mode/Recirc Door Operation Improper -- Dual-Zone
HEATING & A/C Symptom: *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- DUAL- ZONE POSSIBLE CAUSES CHECK FOR ACTUATOR CIRCUIT TEST FAULT MESSAGES CHECK FOR ACTIVE HVAC DTCS CHECK FOR HVAC DOOR RECALIBRATION FAULT MESSAGES MODE DOOR ACTUATOR(S)/LINKAGE(S)/DOOR(S) PASSENGER BLEND DOOR ACTUATOR/LINKAGE/DOOR DRIVER BLEND DOOR ACTUATOR/LINKAGE/DOOR RECIRCULATION DOOR ACTUATOR/LINKAGE/DOOR TEST ACTION...
Page 417 HEATING & A/C *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- DUAL-ZONE — Continued TEST ACTION APPLICABILITY Which door did customer ID as faulty? Mode Doors Go To 5 Passenger Blend Door Go To 6 Driver Blend Door Go To 7 Recirculation Door Go To 8 Start the engine.
Page 418 HEATING & A/C *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- DUAL-ZONE — Continued TEST ACTION APPLICABILITY Start the engine. Turn the blower control to the high speed position. Turn the mode control to the panel position. Move the driver blend control to the full hot position. Move the driver blend control to the full cold position, in 25% increments, while checking for a change in airflow air temperature coming from the driver’s panel vents.
Page 419: Blend/Mode/Recirc Door Operation Improper Single-Zone
HEATING & A/C Symptom: *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER SINGLE-ZONE POSSIBLE CAUSES CHECK FOR ACTUATOR CIRCUIT TEST FAULT MESSAGES CHECK FOR ACTIVE HVAC DTCS CHECK FOR HVAC DOOR RECALIBRATION FAULT MESSAGES MODE DOOR ACTUATOR(S)/LINKAGE(S)/DOOR(S) BLEND DOOR ACTUATOR/LINKAGE/DOOR RECIRCULATION DOOR ACTUATOR/LINKAGE/DOOR TEST ACTION APPLICABILITY NOTE: All Actuator Circuit Test fault messages and Overcurrent DTCs must...
Page 420 HEATING & A/C *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- SINGLE- ZONE — Continued TEST ACTION APPLICABILITY Which door did customer ID as faulty? Mode Doors Go To 5 Blend Door Go To 6 Recirculation Door Go To 7 Start the engine. Turn the blower control to the high speed position.
Page 421 HEATING & A/C *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- SINGLE- ZONE — Continued TEST ACTION APPLICABILITY Start the engine. Turn the blower control to the high speed position. Turn the mode control to the panel position. Turn the mode control to the MAX panel position. The sound of the air flowing through the ducts should get louder as the recirculation door opens to bring in recirc air.
Page 422: Blower Motor Inoperative
HEATING & A/C Symptom: *BLOWER MOTOR INOPERATIVE POSSIBLE CAUSES IPM FUSE #4 BLOWER MOTOR FEED CIRCUIT SHORTED TO GROUND FUSED B(+) SHORTED TO GROUND BLOWER MOTOR SHORTED TO GROUND BLOWER MOTOR BLOWER MOTOR HIGH DRIVER CIRCUIT OPEN GROUND CIRCUIT OPEN A/C - HEATER CONTROL MODULE OPEN BLOWER MOTOR FEED CIRCUIT OPEN FUSED B(+) CIRCUIT OPEN...
Page 423 HEATING & A/C *BLOWER MOTOR INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Ignition Switch harness connector. Measure the resistance between ground and the Fused B(+) circuit. Is the resistance below 10K ohms? Yes → Repair the Fused B(+) circuit for a short to ground and replace the fuse.
Page 424 HEATING & A/C *BLOWER MOTOR INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition on. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Using a 12-volt test light connected to ground, back probe the Blower Motor Feed circuit in the Ignition Switch harness connector.
Page 425: Blower Motor Speeds Incorrect
HEATING & A/C Symptom: *BLOWER MOTOR SPEEDS INCORRECT POSSIBLE CAUSES BLOWER MOTOR DRIVER CIRCUIT(S) SHORTED TO GROUND A/C - HEATER CONTROL MODULE BLOWER MOTOR DRIVER CIRCUIT(S) SHORTED TO VOLTAGE BLOWER MOTOR DRIVER CIRCUITS SHORTED TOGETHER A/C - HEATER CONTROL MODULE - SPEEDS INCORRECT BLOWER MOTOR DRIVER CIRCUIT(S) OPEN BLOWER MOTOR RESISTOR BLOCK - OPEN SPEED TEST...
Page 426 HEATING & A/C *BLOWER MOTOR SPEEDS INCORRECT — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the A/C - Heater Control Module C2 harness connector. Disconnect the Blower Motor Resistor Block harness connector. Measure the voltage of each of the Blower Motor Driver circuits (cavities 2, 3, 7, and 10).
Page 427: Hvac System Test
HEATING & A/C Symptom: *HVAC SYSTEM TEST POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE PCM CHECK FOR HVAC RELATED DTCS IN THE PCM CHECK FOR ACTIVE HVAC DTCS AND SYSTEM TEST FAULT MESSAGES CHECK FOR HVAC RELATED DTCS IN THE PCM MANUAL A/C SYSTEM TEST TEST ACTION...
Page 428 HEATING & A/C *HVAC SYSTEM TEST — Continued TEST ACTION APPLICABILITY NOTE: Active DTCs must be resolved before diagnosing stored DTCs. NOTE: Anytime a DTC becomes active, or a Cooldown Test fault message, Actuator Circuit Test fault message, or Door Recalibration fault message is displayed, proceed to the conclusion question.
Page 429: Ignition, Power, Accessory
IGNITION, POWER, ACCESSORY Symptom: BATTERY 1 VOLTAGE OPEN POSSIBLE CAUSES CHECK FUSE #13 OPEN FUSED B+ CIRCUITS FRONT CONTROL MODULE TEST ACTION APPLICABILITY NOTE: This DTC must be active to perform this test. If DTC is stored, erase DTC and check for an intermittent condition. Turn the ignition off.
Page 430: Battery 2 Voltage Open
IGNITION, POWER, ACCESSORY Symptom: BATTERY 2 VOLTAGE OPEN POSSIBLE CAUSES CHECK FUSE #11 OPEN FUSED B+ CIRCUITS FRONT CONTROL MODULE TEST ACTION APPLICABILITY NOTE: This DTC must be active to perform this test. If DTC is stored, erase DTC and check for an intermittent condition. Turn the ignition off.
Page 431: Battery Voltage Open
IGNITION, POWER, ACCESSORY Symptom: BATTERY VOLTAGE OPEN POSSIBLE CAUSES OPEN B+ CIRCUIT FRONT CONTROL MODULE TEST ACTION APPLICABILITY NOTE: This DTC must be active to perform this test. If DTC is stored, erase DTC and check for an intermittent condition. Turn the ignition off.
Page 432: Horn Relay Control Circuit High
IGNITION, POWER, ACCESSORY Symptom: HORN RELAY CONTROL CIRCUIT HIGH When Monitored and Set Condition: HORN RELAY CONTROL CIRCUIT HIGH When Monitored: With the ignition ON. Set Condition: When the Front Control Module detects excessive current on the Horn Relay Control circuit. POSSIBLE CAUSES FRONT CONTROL MODULE INTEGRATED POWER MODULE...
Page 433: Horn Relay Control Circuit Low
IGNITION, POWER, ACCESSORY Symptom List: HORN RELAY CONTROL CIRCUIT LOW HORN RELAY CONTROL CIRCUIT OPEN Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be HORN RELAY CONTROL CIR- CUIT LOW. When Monitored and Set Condition: HORN RELAY CONTROL CIRCUIT LOW When Monitored: With the ignition ON.
Page 434 IGNITION, POWER, ACCESSORY HORN RELAY CONTROL CIRCUIT LOW — Continued TEST ACTION APPLICABILITY Turn the ignition off. Reinstall the fuse if previously removed. Remove the Front Control Module from the Integrated Power Module. NOTE: Check connectors - Clean/repair as necessary. Measure the voltage of the Horn Relay Control circuit.
Page 435: Ignition Run/Start Mismatch
IGNITION, POWER, ACCESSORY Symptom: IGNITION RUN/START MISMATCH POSSIBLE CAUSES INSTRUMENT CLUSTER POWER DISTRIBUTION CENTER FRONT CONTROL MODULE POWER DISTRIBUTION CENTER TEST ACTION APPLICABILITY NOTE: Diagnose and repair any Airbag, MIC or PCM DTCs before proceed- ing with this test. With the DRBIII , select MIC, Monitors, then Ignition State. Does the DRBIII display Run and Start ? Yes →...
Page 436: Horns Inoperative
IGNITION, POWER, ACCESSORY Symptom: *HORNS INOPERATIVE POSSIBLE CAUSES HORN GROUND CIRCUIT OPEN HORN RELAY OUTPUT CIRCUIT OPEN HORNS INSTRUMENT CLUSTER DTC PRESENT CLOCKSPRING FRONT CONTROL MODULE FUSE #45 HORN SWITCH HORN SWITCH GROUND HORN SWITCH SENSE OPEN INTEGRATED POWER MODULE TEST ACTION APPLICABILITY...
Page 437: Instrument Cluster
IGNITION, POWER, ACCESSORY *HORNS INOPERATIVE — Continued TEST ACTION APPLICABILITY WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING. CAUTION: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN SERIOUS OR FATAL INJURY.
Page 438 IGNITION, POWER, ACCESSORY *HORNS INOPERATIVE — Continued TEST ACTION APPLICABILITY Disconnect the Horn connector. Using a 12-volt test light connected to 12-volts, check the Ground circuit in the horn connector. Does the test light illuminate brightly? Yes → Replace the Horns. Perform BODY VERIFICATION TEST - VER 1.
Page 439: Instrument Cluster
INSTRUMENT CLUSTER Symptom List: ABS INDICATOR OUTPUT CIRCUIT OPEN ABS INDICATOR OUTPUT CIRCUIT SHORTED AIRBAG WARNING INDICATOR OUTPUT CIRCUIT OPEN AIRBAG WARNING INDICATOR OUTPUT CIRCUIT SHORT MIL INDICATOR OUTPUT CIRCUIT OPEN MIL INDICATOR OUTPUT CIRCUIT SHORTED WAIT TO START INDICATOR OUTPUT CIRCUIT OPEN WAIT TO START INDICATOR OUTPUT CIRCUIT SHORTED Test Note: All symptoms listed above are diagnosed using the same tests.
Page 440 INSTRUMENT CLUSTER ABS INDICATOR OUTPUT CIRCUIT OPEN — Continued MIL INDICATOR OUTPUT CIRCUIT SHORTED When Monitored: With the ignition on and when requested to turn on by the Powertrain Control Module. Set Condition: The Instrument Cluster feedback status on the MIL Lamp shows that a short circuit condition exists.
Page 441: Abs Messages Not Received
INSTRUMENT CLUSTER Symptom List: ABS MESSAGES NOT RECEIVED ACM MESSAGES NOT RECEIVED FCM MESSAGES NOT RECEIVED SKIM MESSAGES NOT RECEIVED TCCM MESSAGES NOT RECEIVED TCM MESSAGES NOT RECEIVED Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be ABS MESSAGES NOT RE- CEIVED.
Page 442 INSTRUMENT CLUSTER ABS MESSAGES NOT RECEIVED — Continued POSSIBLE CAUSES BUS MESSAGE NOT RECEIVED DTC PRESENT INSTRUMENT CLUSTER INTERMITTENT CONDITION TEST ACTION APPLICABILITY With the DRBIII , attempt to communicate with the module that corresponds to the DTC that is set. Was the DRBIII able to I/D or communicate with the Module in question? Yes →...
Page 443: Btsi Output Circuit Shorted Or Open
INSTRUMENT CLUSTER Symptom: BTSI OUTPUT CIRCUIT SHORTED OR OPEN When Monitored and Set Condition: BTSI OUTPUT CIRCUIT SHORTED OR OPEN When Monitored: With the ignition in the Unlock or On position and the operator’s foot applied to the brake pedal. (Customer Complaint: Vehicle can be shifted out of Park without pressing the brake pedal.) Set Condition: The Instrument Cluster detects a 0 or low value on the input circuit for the BTSI when ON.
Page 444 INSTRUMENT CLUSTER BTSI OUTPUT CIRCUIT SHORTED OR OPEN — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the BTSI Solenoid harness connector. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between the BTSI Solenoid Control circuit and the BTSI Solenoid Ground circuit.
Page 445: Incorrect Odometer Value Found
INSTRUMENT CLUSTER Symptom: INCORRECT ODOMETER VALUE FOUND When Monitored and Set Condition: INCORRECT ODOMETER VALUE FOUND When Monitored: During power up. Set Condition: If the Instrument Cluster detects the odometer value memory is cor- rupted, this code will set. When this code is set the VF Odometer displays [ - - ]. POSSIBLE CAUSES INSTRUMENT CLUSTER TEST...
Page 446: Internal Module Bootloader Failure
INSTRUMENT CLUSTER Symptom List: INTERNAL MODULE BOOTLOADER FAILURE INTERNAL MODULE FLASH MEMORY CHECKSUM FAILURE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be INTERNAL MODULE BOOT- LOADER FAILURE. When Monitored and Set Condition: INTERNAL MODULE BOOTLOADER FAILURE When Monitored: At power up for the module.
Page 447: Pci Bus Internal Failure
INSTRUMENT CLUSTER Symptom: PCI BUS INTERNAL FAILURE When Monitored and Set Condition: PCI BUS INTERNAL FAILURE When Monitored: Continuous Set Condition: The Instrument Cluster fails the loopback test on the PCI Bus. POSSIBLE CAUSES INSTRUMENT CLUSTER TEST ACTION APPLICABILITY NOTE: If this is an active DTC, answer yes to the question. With the DRBIII , erase DTCs.
Page 448: Pcm Messages Not Received
INSTRUMENT CLUSTER Symptom: PCM MESSAGES NOT RECEIVED When Monitored and Set Condition: PCM MESSAGES NOT RECEIVED When Monitored: With the ignition on. Set Condition: The MIC does not receive any messages from the PCM for at least 5 seconds. POSSIBLE CAUSES PCM MESSAGES NOT RECEIVED ATTEMPT TO COMMUNICATE WITH THE PCM PCI BUS CIRCUIT OPEN...
Page 449 INSTRUMENT CLUSTER PCM MESSAGES NOT RECEIVED — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the PCM harness connector. CAUTION: If NGC, DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Page 450: Prndl Switch Input Circuit Open (Diesel Only)
INSTRUMENT CLUSTER Symptom: PRNDL SWITCH INPUT CIRCUIT OPEN (DIESEL ONLY) When Monitored and Set Condition: PRNDL SWITCH INPUT CIRCUIT OPEN (DIESEL ONLY) When Monitored: With the ignition on. Set Condition: The instrument Cluster detects that an open condition exists in the PRNDL circuit.
Page 451 INSTRUMENT CLUSTER PRNDL SWITCH INPUT CIRCUIT OPEN (DIESEL ONLY) — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Transmission Range Sensor harness connector. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance of the Transmission Range Sensor 5 Volt Supply circuit. Is the resistance above 5.0 ohms? Yes →...
Page 452: Prndl Switch Input Circuit Shorted (Diesel Only)
INSTRUMENT CLUSTER Symptom: PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY) When Monitored and Set Condition: PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY) When Monitored: With the ignition on. Set Condition: The instrument Cluster detects that a short condition exists in the PRNDL circuit.
Page 453 INSTRUMENT CLUSTER PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY) — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Transmission Range Sensor harness connector. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance between ground and the TRS 5 Volt Supply circuit. Is the resistance below 5.0 ohms? Yes →...
Page 454: Vin Checksum Error
INSTRUMENT CLUSTER Symptom List: VIN CHECKSUM ERROR VIN PREVIOUSLY STORED Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be VIN CHECKSUM ERROR. When Monitored and Set Condition: VIN CHECKSUM ERROR When Monitored: With the ignition on.
Page 455: All Gauges Inoperative
INSTRUMENT CLUSTER Symptom: *ALL GAUGES INOPERATIVE POSSIBLE CAUSES NO RESPONSE - PCI BUS PCI BUS - POWERTRAIN CONTROL MODULE PCI BUS - INSTRUMENT CLUSTER FUSED IGNITION SWITCH OUTPUT CIRCUIT (UNLOCK/RUN) SHORT TO GROUND INSTRUMENT CLUSTER GROUND CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT SHORT TO GROUND FUSED IGNITION SWITCH OUTPUT (UNLOCK/RUN) CIRCUIT OPEN INSTRUMENT CLUSTER...
Page 456 INSTRUMENT CLUSTER *ALL GAUGES INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Inspect the #20 Fuse in the PDC. If the fuse is open, replace with proper rated fuse. Turn the ignition on for one minute. Turn the ignition off. Inspect the #20 Fuse in the PDC.
Page 457 INSTRUMENT CLUSTER *ALL GAUGES INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between ground and the Instrument Cluster Ground circuit. Is the resistance below 5.0 ohms? Yes → Replace and configure the Instrument Cluster in accordance with the Service Information.
Page 458: Any Pci Indicator Inoperative
INSTRUMENT CLUSTER Symptom: *ANY PCI INDICATOR INOPERATIVE POSSIBLE CAUSES INDICATOR MESSAGE NOT RECEIVED NO RESPONSE - INSTRUMENT CLUSTER NO RESPONSE - PCI BUS NO RESPONSE - PCI BUS - POWERTRAIN CONTROL MODULE INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , select System Monitors, then J1850 Module Scan.
Page 459: Brake Warning Indicator Always On
INSTRUMENT CLUSTER Symptom: *BRAKE WARNING INDICATOR ALWAYS ON POSSIBLE CAUSES BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH SENSE CIRCUIT SHORT TO GROUND PARK BRAKE SWITCH PARK BRAKE SWITCH SENSE CIRCUIT SHORT TO GROUND CONTROL MODULE INSTRUMENT CLUSTER TEST ACTION APPLICABILITY NOTE: Diagnose and repair any MIC, Brake, or Communication DTCs before proceeding with this test.
Page 460 INSTRUMENT CLUSTER *BRAKE WARNING INDICATOR ALWAYS ON — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Park Brake Switch harness connector. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between ground and the Park Brake Switch Sense circuit. Is the resistance below 5.0 ohms? Yes →...
Page 461: Brake Warning Indicator Inoperative
INSTRUMENT CLUSTER Symptom: *BRAKE WARNING INDICATOR INOPERATIVE POSSIBLE CAUSES BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT OPEN BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH SENSE CIRCUIT OPEN PARK BRAKE SWITCH PARK BRAKE SWITCH SENSE CIRCUIT OPEN CONTROL MODULE INSTRUMENT CLUSTER TEST ACTION APPLICABILITY...
Page 462 INSTRUMENT CLUSTER *BRAKE WARNING INDICATOR INOPERATIVE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Brake Fluid Level Switch harness connector. Connect a jumper wire between cavity 1 and cavity 2. Turn the ignition on. Does the Brake warning indicator illuminate? Yes →...
Page 463: Fuel Gauge Inaccurate
INSTRUMENT CLUSTER Symptom: *FUEL GAUGE INACCURATE POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER FUEL LEVEL SENSOR WIRING FUEL LEVEL SENSOR TEST ACTION APPLICABILITY NOTE: Diagnose and repair any PCI Bus problems before proceeding with this test. Turn the ignition on. With the DRBIII , read the PCM DTCs. Does the DRBIII display any Fuel Level Sensor related DTC? Yes →...
Page 464: One Gauge Inoperative - Gas Engines
INSTRUMENT CLUSTER Symptom: *ONE GAUGE INOPERATIVE - GAS ENGINES POSSIBLE CAUSES POWERTRAIN CONTROL MODULE DTCS INTERMITTENT CONDITION INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , read DTCs. Does the DRBIII display any PCM DTCs? Yes → Refer to the DRIVEABILITY category and perform the appropri- ate symptom.
Page 465: Prndl Not Displaying Correct Position (Eatx Vehicles)
INSTRUMENT CLUSTER Symptom: *PRNDL NOT DISPLAYING CORRECT POSITION (EATX VEHI- CLES) POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER INTERMITTENT CONDITION TEST ACTION APPLICABILITY NOTE: Ensure that the correct Instrument Cluster is installed and is correctly configured for the vehicle. NOTE: Ensure that there is communication between the Cluster and PCM before proceeding with this test.
Page 466: Seat Belt Warning Indicator Always Off
INSTRUMENT CLUSTER Symptom: *SEAT BELT WARNING INDICATOR ALWAYS OFF POSSIBLE CAUSES SEAT BELT SWITCH SENSE CIRCUIT SHORT TO GROUND INSTRUMENT C;USTER TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Seat Belt Switch harness connector. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between ground and the Seat Belt Switch Sense circuit.
Page 467: Seat Belt Warning Indicator Always Off - Standard Cab
INSTRUMENT CLUSTER Symptom: *SEAT BELT WARNING INDICATOR ALWAYS OFF - STANDARD POSSIBLE CAUSES SEAT BELT SWITCH SENSE CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Seat Belt Switch harness connector. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between ground and the seat Belt Switch Sense circuit.
Page 468: Seat Belt Warning Indicator Always On
INSTRUMENT CLUSTER Symptom: *SEAT BELT WARNING INDICATOR ALWAYS ON POSSIBLE CAUSES SEAT BELT SWITCH SEAT BELT SWITCH GROUND CIRCUIT OPEN SEAT BELT SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Seat Belt Switch harness connector. Connect a jumper wire between cavity 1 and cavity 2.
Page 469: Seat Belt Warning Indicator Always On - Standard Cab
INSTRUMENT CLUSTER Symptom: *SEAT BELT WARNING INDICATOR ALWAYS ON - STANDARD CAB POSSIBLE CAUSES FUSED IGNITION SWITCH OUTPUT (RUN-ACC) CIRCUIT OPEN SEAT BELT TENSIONER REDUCER SEAT BELT SWITCH SEAT BELT SWITCH GROUND CIRCUIT OPEN SEAT BELT SWITCH SENSE CIRCUIT OPEN INSTRUMENT CLUSTER TEST ACTION...
Page 470 INSTRUMENT CLUSTER *SEAT BELT WARNING INDICATOR ALWAYS ON - STANDARD CAB — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Seat Belt Switch harness connector. Measure the resistance between ground and the Seat Belt Switch circuit. Is the resistance below 5.0 ohms? Yes →...
Page 471: Interior Lighting
INTERIOR LIGHTING Symptom: MIC-CARGO LAMP OUTPUT CIRCUIT SHORTED OR OPEN POSSIBLE CAUSES INTERMITTENT CONDITION HEADLAMP SWITCH CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Turn the Cargo Lamps on.
Page 472: Mic-Courtesy-Dome Lamp Output Circuit Shorted Or Open
INTERIOR LIGHTING Symptom: MIC-COURTESY-DOME LAMP OUTPUT CIRCUIT SHORTED OR OPEN POSSIBLE CAUSES INTERMITTENT CONDITION HEADLAMP SWITCH COURTESY LAMP OUTPUT CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Turn the Dome Lamps on.
Page 473: Mic-Glove Box-Map Lamp Output Circuit Short Or Open
INTERIOR LIGHTING Symptom: MIC-GLOVE BOX-MAP LAMP OUTPUT CIRCUIT SHORT OR OPEN POSSIBLE CAUSES INTERMITTENT CONDITION GLOVEBOX-MAP LAMP OUTPUT CIRCUIT SHORT TO GROUND INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all MIC DTC’s. Turn the Glove Box Lamps on. With the DRBIII , read the DTC information.
Page 474: Power Door Locks/Rke
POWER DOOR LOCKS/RKE Symptom: ALL DOOR LOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored and Set Condition: ALL DOOR LOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored: Whenever the instrument cluster is awake. Set Condition: The instrument cluster monitors the door lock output circuits and when one of them is shorted to ground or to voltage, this code will set.
Page 475 POWER DOOR LOCKS/RKE ALL DOOR LOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE — Continued TEST ACTION APPLICABILITY NOTE: If only one motor is inoperative when the door locks are actuated, disconnect that motor and retest to see if the DTC is still active. If it is not, replace that motor.
Page 476 POWER DOOR LOCKS/RKE ALL DOOR LOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE — Continued TEST ACTION APPLICABILITY Disconnect the Instrument Cluster C1 connector. Turn the ignition on. Measure the voltage between ground and the Door Lock Driver Right Doors circuit. Is there any voltage present? Yes →...
Page 477: All Door Unlock Output Circuit Short To Ground Or Voltage
POWER DOOR LOCKS/RKE Symptom: ALL DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored and Set Condition: ALL DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored: Whenever the instrument cluster is awake. Set Condition: The instrument cluster monitors the door unlock output circuits and when one of them is shorted to ground or to voltage, this code will set.
Page 478 POWER DOOR LOCKS/RKE ALL DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLT - AGE — Continued TEST ACTION APPLICABILITY NOTE: If only one motor is inoperative when the door locks are actuated, disconnect that motor and retest to see if the DTC is still present. If it is not, replace that motor.
Page 479 POWER DOOR LOCKS/RKE ALL DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLT - AGE — Continued TEST ACTION APPLICABILITY Disconnect the Instrument Cluster C1 connector. Turn the ignition on. Measure the voltage between ground and the Door Unlock Driver Right Doors circuit. Is there any voltage present? Yes →...
Page 480: Driver Cylinder Lock Switch Input Circuit Shorted
POWER DOOR LOCKS/RKE Symptom: DRIVER CYLINDER LOCK SWITCH INPUT CIRCUIT SHORTED (WITH VTSS ONLY) When Monitored and Set Condition: DRIVER CYLINDER LOCK SWITCH INPUT CIRCUIT SHORTED (WITH VTSS ONLY) When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the driver cylinder lock switch below 0.25 volts for over 10 seconds.
Page 481 POWER DOOR LOCKS/RKE DRIVER CYLINDER LOCK SWITCH INPUT CIRCUIT SHORTED (WITH VTSS ONLY) — Continued TEST ACTION APPLICABILITY If there are no possible causes remaining, view repair. Repair Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1.
Page 482: Driver Cylinder Lock Switch Input Stuck (With Vtss Only)
POWER DOOR LOCKS/RKE Symptom: DRIVER CYLINDER LOCK SWITCH INPUT STUCK (WITH VTSS ONLY) When Monitored and Set Condition: DRIVER CYLINDER LOCK SWITCH INPUT STUCK (WITH VTSS ONLY) When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the driver cylinder lock switch between 1.3 and 3.75 for over 10 seconds.
Page 483: Voltage
POWER DOOR LOCKS/RKE Symptom: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE When Monitored and Set Condition: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLT- When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the driver door lock switch above 4.85 volts.
Page 484: Driver Door Lock Switch Input Circuit Open Or Short To
POWER DOOR LOCKS/RKE DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE — Continued TEST ACTION APPLICABILITY Disconnect the Instrument Cluster C2 connector. Measure the voltage between Driver Door Lock Switch Mux circuit and ground. Is there any voltage present? Yes →...
Page 485: Driver Door Lock Switch Input Circuit Shorted
POWER DOOR LOCKS/RKE Symptom: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED When Monitored and Set Condition: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the driver door lock switch below .25 volts, the input circuit is not valid and this code will set.
Page 486 POWER DOOR LOCKS/RKE DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED — Continued TEST ACTION APPLICABILITY If there are no possible causes remaining, view repair. Repair Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1.
Page 487: Driver Door Lock Switch Input Circuit Stuck
POWER DOOR LOCKS/RKE Symptom: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored and Set Condition: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the instrument cluster senses voltage to the driver door lock switch between 1.3 and 3.75 for over 20 seconds, this code will set.
Page 488: Voltage
POWER DOOR LOCKS/RKE Symptom: DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored and Set Condition: DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE When Monitored: Whenever the instrument cluster is awake. Set Condition: The instrument cluster monitors the driver door unlock output circuit and when it is shorted to ground or to voltage, this code will set.
Page 489: Driver Door Unlock Output Circuit Short To Ground Or
POWER DOOR LOCKS/RKE DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Instrument Cluster C1 connector. Measure the resistance between ground and the Door Unlock Driver Left Front circuit in the Instrument Cluster C1 connector.
Page 490: Passenger Door Lock Switch Input Circuit Open Or Short To
POWER DOOR LOCKS/RKE Symptom: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE When Monitored and Set Condition: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the passenger door lock switch above 4.85 volts this code will set and the input will not be valid..
Page 491 POWER DOOR LOCKS/RKE PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE — Continued TEST ACTION APPLICABILITY Disconnect the Instrument Cluster C2 connector. Measure the voltage between Passenger Door Lock Switch Mux circuit and ground. Is there any voltage present? Yes →...
Page 492: Passenger Door Lock Switch Input Circuit Shorted
POWER DOOR LOCKS/RKE Symptom: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED When Monitored and Set Condition: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the passenger door lock switch below .25 volts, the input circuit is not valid and this code will set.
Page 493 POWER DOOR LOCKS/RKE PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED — Continued TEST ACTION APPLICABILITY If there are no possible causes remaining, view repair. Repair Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1.
Page 494: Passenger Door Lock Switch Input Circuit Stuck
POWER DOOR LOCKS/RKE Symptom: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored and Set Condition: PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the instrument cluster senses voltage to the passenger door lock switch between 1.3 and 3.95 for over 20 seconds, this code will set.
Page 495: Rke Fob Battery Low
POWER DOOR LOCKS/RKE Symptom: RKE FOB BATTERY LOW When Monitored and Set Condition: RKE FOB BATTERY LOW When Monitored: Upon activation of any button on the Remote Keyless Entry transmit- ter (fob). Set Condition: The RKE module monitors the input from the fobs and determines if the voltage is within tolerance.
Page 496: Rke Module Communication Link
POWER DOOR LOCKS/RKE Symptom: RKE MODULE COMMUNICATION LINK When Monitored and Set Condition: RKE MODULE COMMUNICATION LINK When Monitored: Whenever battery power is applied the Instrument Cluster. Set Condition: The Instrument Cluster has learned that the vehicle is equipped with Remote Keyless Entry, but then is unable to communicate with that module, this code will set.
Page 497: All Door Locks Inoperative
POWER DOOR LOCKS/RKE Symptom: *ALL DOOR LOCKS INOPERATIVE POSSIBLE CAUSES DTC PRESENT FUSE #22 OPEN FUSE B+ CIRCUIT OPEN INSTRUMENT CLUSTER - OPEN CIRCUIT TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , read DTC’s. Does the DRBIII display any Door Lock related DTC’s? Yes →...
Page 498: Auto (Rolling) Door Locks Inoperative
POWER DOOR LOCKS/RKE Symptom: *AUTO (ROLLING) DOOR LOCKS INOPERATIVE POSSIBLE CAUSES CHECK THE DOOR AJAR SWITCH STATUS WITH THE DRB CHECK FOR PCM DTC’S WITH THE DRB ENABLE AUTO DOOR LOCKS INSTRUMENT CLUSTER - AUTO DOOR LOCKS FAIL TEST ACTION APPLICABILITY Ensure all doors are closed.
Page 499: Cylinder Lock Switch Inoperative
POWER DOOR LOCKS/RKE Symptom List: *CYLINDER LOCK SWITCH INOPERATIVE *CYLINDER LOCK SWITCH WILL NOT ARM AND/OR DISARM ALARM Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be *CYLINDER LOCK SWITCH INOPERATIVE.
Page 500 POWER DOOR LOCKS/RKE *CYLINDER LOCK SWITCH INOPERATIVE — Continued TEST ACTION APPLICABILITY Disconnect the Cylinder Lock Switch connector. Disconnect the Instrument Cluster C2 connector. Measure the resistance of the Cylinder Lock Switch Mux circuit between the Switch connector and the Instrument Cluster connector. Is the resistance below 5.0 ohms? Yes →...
Page 501: Door Lock Inhibit Inoperative
POWER DOOR LOCKS/RKE Symptom: *DOOR LOCK INHIBIT INOPERATIVE POSSIBLE CAUSES CHIME INOPERATIVE INSTRUMENT CLUSTER - DOOR LOCK INHIBIT INOPERATIVE TEST ACTION APPLICABILITY Turn the ignition off but leave the key in the ignition switch. Open the drivers door. Does the chime sound? Yes →...
Page 502: Left Doors Fail To Lock And Unlock - Quad Cab
POWER DOOR LOCKS/RKE Symptom: *LEFT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER - DOOR LOCK DRIVER LEFT DOORS OPEN DOOR UNLOCK DRIVER LEFT DOORS WIRE OPEN DOOR LOCK DRIVER LEFT DOORS WIRE OPEN DOOR LOCK MOTOR TEST ACTION...
Page 503 POWER DOOR LOCKS/RKE *LEFT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB — Continued TEST ACTION APPLICABILITY If there are no possible causes remaining, view repair. Repair Replace the door lock motor. Perform BODY VERIFICATION TEST - VER 1.
Page 504: One Door Lock Motor Inoperative
POWER DOOR LOCKS/RKE Symptom: *ONE DOOR LOCK MOTOR INOPERATIVE POSSIBLE CAUSES DOOR LOCK MOTOR OPEN CHECK DOOR LOCK MOTOR CIRCUIT TEST ACTION APPLICABILITY With the DRBIII , read DTCs. If there are any door lock related DTC’s, refer to symptom list for problems related to Power Door Locks. Disconnect the inoperative Door Lock Motor/Ajar Switch connector.
Page 505: Right Doors Fail To Lock And Unlock - Quad Cab
POWER DOOR LOCKS/RKE Symptom: *RIGHT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER - DOOR LOCK DRIVER RIGHT DOORS OPEN DOOR UNLOCK DRIVER RIGHT DOORS WIRE OPEN DOOR LOCK DRIVER RIGHT DOORS WIRE OPEN DOOR LOCK MOTOR TEST ACTION...
Page 506 POWER DOOR LOCKS/RKE *RIGHT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB — Continued TEST ACTION APPLICABILITY If there are no possible causes remaining, view repair. Repair Replace the Door Lock Motor(s). Perform BODY VERIFICATION TEST - VER 1.
Page 507: Rke Inoperative
POWER DOOR LOCKS/RKE Symptom: *RKE INOPERATIVE POSSIBLE CAUSES TEST TRANSMITTER WITH TESTER RKE TRANSMITTER NOT PROGRAMMED DTC PRESENT TRANSMITTER NOT PROGRAMMED SUBSTITUTE TRANSMITTER REMOTE KEYLESS ENTRY MODULE - RKE OPEN RKE MODULE TEST ACTION APPLICABILITY With the DRBIII , read DTCs. Attempt to operate the door locks with the RKE transmitter.
Page 508 POWER DOOR LOCKS/RKE *RKE INOPERATIVE — Continued TEST ACTION APPLICABILITY Secure a known good transmitter. Turn the ignition on. Place transmission in the Park position. Ensure Vehicle Theft Security System (if equipped) is in Disarm Mode. With the DRBIII , select ELECTRO/MECH CLUSTER, MISCELLANEOUS, PRO- GRAM New Fob.
Page 509: Audio Hardware Message Not Received
TELECOMMUNICATION Symptom: AUDIO HARDWARE MESSAGE NOT RECEIVED When Monitored and Set Condition: AUDIO HARDWARE MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not receive the bus message from the radio indicating what kind of radio the vehicle is equipped with. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE RADIO MODULE...
Page 510: Bluetooth Error
TELECOMMUNICATION Symptom List: BLUETOOTH ERROR FLASH CHECKSUM ERROR FLASH WRITE ERROR PCI BUS INTERNAL ERROR RAM WRITE ERROR ROM CHECKSUM ERROR Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be BLUETOOTH ERROR. When Monitored and Set Condition: BLUETOOTH ERROR When Monitored: With the ignition on.
Page 511 TELECOMMUNICATION BLUETOOTH ERROR — Continued POSSIBLE CAUSES HFM INTERNAL DTC FAILURE TEST ACTION APPLICABILITY NOTE: This trouble code indicates an internal Hands Free Module fault. With the DRBIII , read and record the HFM DTCs and then erase the DTCs. Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.
Page 512: Body Style Message Not Received
TELECOMMUNICATION Symptom List: BODY STYLE MESSAGE NOT RECEIVED INVALID BODY STYLE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be BODY STYLE MESSAGE NOT RECEIVED. When Monitored and Set Condition: BODY STYLE MESSAGE NOT RECEIVED When Monitored: With the ignition on.
Page 513: General Microphone Fault
TELECOMMUNICATION Symptom: GENERAL MICROPHONE FAULT POSSIBLE CAUSES AUTOMATIC DAY/NIGHT MIRROR HANDS FREE MODULE MICROPHONE CIRCUITS OPEN MICROPHONE CIRCUITS SHORT TO GROUND MICROPHONE CIRCUITS SHORT TO VOLTAGE MICROPHONE CIRCUITS SHORTED TOGETHER INTERMITTENT CONDITION TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , erase DTCs. Attempt to make a phone call using the system.
Page 514 TELECOMMUNICATION GENERAL MICROPHONE FAULT — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Automatic Day/Night Mirror harness connectors. Disconnect the Hands Free Module harness connectors. Turn the ignition on. Measure the voltage of each Microphone circuit. Is the voltage below 1.0 volt for each measurement? Yes →...
Page 515: Ignition Power Message Not Received
TELECOMMUNICATION Symptom: IGNITION POWER MESSAGE NOT RECEIVED When Monitored and Set Condition: IGNITION POWER MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not receive an Ignition Power Status message from the MIC. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE MIC MODULE...
Page 516: Left Audio Input Short To Ground
TELECOMMUNICATION Symptom List: LEFT AUDIO INPUT SHORT TO GROUND LEFT AUDIO INPUT SHORT TO VOLTAGE LEFT AUDIO OUTPUT 1 SHORT TO GROUND LEFT AUDIO OUTPUT 1 SHORT TO VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be LEFT AUDIO INPUT SHORT TO GROUND.
Page 517 TELECOMMUNICATION LEFT AUDIO INPUT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , erase HFM DTCs. Attempt to make a phone call using the system. With the DRBIII , read HFM DTCs. Does the DRBIII display this DTC? Yes →...
Page 518 TELECOMMUNICATION LEFT AUDIO INPUT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Radio C2 harness connector. Disconnect the Hands Free Module harness connector. Measure the resistance between the Left Audio Output circuit and the Right Audio Output circuit.
Page 519: Mirror Power Circuit Short To Ground
TELECOMMUNICATION Symptom List: MIRROR POWER CIRCUIT SHORT TO GROUND MIRROR POWER CIRCUIT SHORT TO VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be MIRROR POWER CIRCUIT SHORT TO GROUND. POSSIBLE CAUSES AUTOMATIC DAY/NIGHT MIRROR HANDS FREE MICROPHONE HSD FEED OPEN...
Page 520 TELECOMMUNICATION MIRROR POWER CIRCUIT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Automatic Day/Night Mirror harness connectors. Disconnect the Hands Free Module harness connector. Turn the ignition on. Measure the voltage of the Hands Free Microphone HSD Feed. Is the voltage below 1.0 volt? Yes →...
Page 521: Pci Bus Busy
TELECOMMUNICATION Symptom List: PCI BUS BUSY PCI BUS CIRCUIT OPEN PCI BUS CIRCUIT SHORT TO GROUND PCI BUS CIRCUIT SHORT TO VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be PCI BUS BUSY. When Monitored and Set Condition: PCI BUS BUSY When Monitored: With the ignition on.
Page 522 TELECOMMUNICATION PCI BUS BUSY — Continued TEST ACTION APPLICABILITY NOTE: For this code to be active, the DRBIII will not be able to communi- cate with any modules on the vehicle (except the PCM). NOTE: Clear the code. If this code continues to set and the DRBIII can still communicate with the module, it will be necessary to replace the module.
Page 523: Phone Switch Stuck
TELECOMMUNICATION Symptom List: PHONE SWITCH STUCK VOICE RECOGNITION SWITCH STUCK VOICE RECOGNITION/PHONE SWITCH CIRCUIT RATIONALITY VOICE RECOGNITION/PHONE SWITCH CIRCUIT SHORT TO GROUND VOICE RECOGNITION/PHONE SWITCH CIRCUIT SHORT TO VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be PHONE SWITCH STUCK.
Page 524 TELECOMMUNICATION PHONE SWITCH STUCK — Continued POSSIBLE CAUSES HANDS FREE MODULE HANDS FREE MODULE HANDS FREE MODULE SENSOR GROUND CIRCUIT OPEN VR/PHONE SWITCH SIGNAL CIRCUIT OPEN VR/PHONE SWITCH SIGNAL CIRCUIT SHORTED TO GROUND VR/PHONE SWITCH SIGNAL CIRCUIT SHORTED TO SENSOR GROUND VR/PHONE SWITCH SIGNAL CIRCUIT SHORTED TO VOLTAGE TEST ACTION...
Page 525 TELECOMMUNICATION PHONE SWITCH STUCK — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Automatic Day/Night Mirror harness connectors. With the DRBIII , read the VR/Phone Switch Signal voltage. Connect one end of a jumper wire to the VR/Phone Switch Signal circuit at the Automatic Day/Night Mirror harness connector.
Page 526 TELECOMMUNICATION PHONE SWITCH STUCK — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Automatic Day/Night Mirror harness connectors. Disconnect the Hands Free Module harness connectors. Measure the resistance between Sensor Ground and the VR/Phone Switch Signal circuit at the Automatic Day/Night Mirror harness connector. Is the resistance above 1000.0 ohms? Yes →...
Page 527: Prndl Message Not Received
TELECOMMUNICATION Symptom: PRNDL MESSAGE NOT RECEIVED When Monitored and Set Condition: PRNDL MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not receive a gear selector message from the PCM/TCM. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE PCM (TCM) MODULE TEST ACTION...
Page 528: Radio Message Not Received
TELECOMMUNICATION Symptom: RADIO MESSAGE NOT RECEIVED When Monitored and Set Condition: RADIO MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not receive a message from the radio. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE RADIO MODULE TEST ACTION...
Page 529: Right Audio Input Short To Ground
TELECOMMUNICATION Symptom List: RIGHT AUDIO INPUT SHORT TO GROUND RIGHT AUDIO INPUT SHORT TO VOLTAGE RIGHT AUDIO OUTPUT 1 SHORT TO GROUND RIGHT AUDIO OUTPUT 1 SHORT TO VOLTAGE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be RIGHT AUDIO INPUT SHORT TO GROUND.
Page 530 TELECOMMUNICATION RIGHT AUDIO INPUT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , erase HFM DTCs. Attempt to make a phone call using the system. With the DRBIII , read HFM DTCs. Does the DRBIII display this DTC? Yes →...
Page 531 TELECOMMUNICATION RIGHT AUDIO INPUT SHORT TO GROUND — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Radio C2 harness connector. Disconnect the Hands Free Module harness connector. Measure the resistance between the Left Audio Output circuit and the Right Audio Output circuit.
Page 532: Rpm Message Not Received
TELECOMMUNICATION Symptom: RPM MESSAGE NOT RECEIVED When Monitored and Set Condition: RPM MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not detect a Bus message indicating current engine rpm. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE PCM MODULE TEST ACTION...
Page 533: Vin Message Not Received
TELECOMMUNICATION Symptom: VIN MESSAGE NOT RECEIVED When Monitored and Set Condition: VIN MESSAGE NOT RECEIVED When Monitored: With the ignition on. Set Condition: The Hands Free Module does not receive the VIN message from the PCM. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE PCM CHECK PCM IS ACTIVE ON BUS MODULE TEST...
Page 534: Vin Mismatch
TELECOMMUNICATION Symptom: VIN MISMATCH When Monitored and Set Condition: VIN MISMATCH When Monitored: With the ignition on. Set Condition: The Hands Free Module will receive and monitor the VIN message from the PCM and record the VIN if different from the last VIN. POSSIBLE CAUSES PCM DTC’S MODULE-VIN MISMATCH...
Page 535: Vehicle Theft/Security
VEHICLE THEFT/SECURITY Symptom: *ALARM TRIPS ON ITS OWN POSSIBLE CAUSES DRB DISPLAY LAST VTSS CAUSE INTERMITTENT CONDITION TEST ACTION APPLICABILITY With the DRBIII in Inputs/Outputs, read the Last VTSS Cause state. Were there any causes displayed? Yes → Check for a possible intermittent condition with the circuit indicated by the DRBIII .
Page 536: Driver Door Does Not Trip Vtss
VEHICLE THEFT/SECURITY Symptom: *DRIVER DOOR DOES NOT TRIP VTSS POSSIBLE CAUSES DRIVER DOOR AJAR CIRCUIT VERIFY VTSS OPERATION VTSS NOT ENABLED IN FCM INSTRUMENT CLUSTER TEST ACTION APPLICABILITY With the DRBIII , read the DRVR DOOR AJAR SW status. Open the driver door. Does the DRBIII display CLOSED? Yes →...
Page 537: Headlamps Fail To Flash When Alarm Is Tripped
VEHICLE THEFT/SECURITY Symptom: *HEADLAMPS FAIL TO FLASH WHEN ALARM IS TRIPPED POSSIBLE CAUSES FCM DTCS OR EXTERIOR LAMP OPERATION INSTRUMENT CLUSTER TEST ACTION APPLICABILITY Attempt to operate the exterior lamps with the headlamp switch. With the DRBIII , read FCM DTCs. Were there any problems found? Yes →...
Page 538: Horn Fails To Sound When Alarm Is Tripped
VEHICLE THEFT/SECURITY Symptom: *HORN FAILS TO SOUND WHEN ALARM IS TRIPPED POSSIBLE CAUSES DTC PRESENT HORN CIRCUIT INSTRUMENT CLUSTER - VTSS TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , read FCM DTC’s. Does the DRBIII display a HORN RELAY CONTROL CIRCUIT DTC active? Yes →...
Page 539: Left Rear Door Does Not Trip Vtss (4 Door)
VEHICLE THEFT/SECURITY Symptom: *LEFT REAR DOOR DOES NOT TRIP VTSS (4 DOOR) POSSIBLE CAUSES PASSENGER DOOR AJAR CIRCUIT VERIFY VTSS OPERATION VTSS NOT ENABLED IN FCM INSTRUMENT CLUSTER TEST ACTION APPLICABILITY With the DRBIII , read the PASS DOOR AJAR SW status. Open the Left Rear door.
Page 540: Passenger Door Does Not Trip Vtss
VEHICLE THEFT/SECURITY Symptom: *PASSENGER DOOR DOES NOT TRIP VTSS POSSIBLE CAUSES PASSENGER DOOR AJAR CIRCUIT VERIFY VTSS OPERATION VTSS NOT ENABLED IN FCM INSTRUMENT CLUSTER TEST ACTION APPLICABILITY With the DRBIII , read the PASS DOOR AJAR SW status. Open the passenger door. Does the DRBIII display CLOSED? Yes →...
Page 541: Right Rear Door Does Not Trip Vtss (4 Door)
VEHICLE THEFT/SECURITY Symptom: *RIGHT REAR DOOR DOES NOT TRIP VTSS (4 DOOR) POSSIBLE CAUSES PASSENGER DOOR AJAR CIRCUIT MALFUNCTION VERIFY VTSS OPERATION VTSS NOT ENABLED IN FCM INSTRUMENT CLUSTER TEST ACTION APPLICABILITY With the DRBIII , read the PASS DOOR AJAR SW status. Open the Right Rear door.
Page 542: Vtss Will Not Arm Properly
VEHICLE THEFT/SECURITY Symptom: *VTSS WILL NOT ARM PROPERLY POSSIBLE CAUSES VTSS NOT ENABLED CHECK FOR DTCS AND VTSS ARMING INHIBITORS CHECK FOR SKIM NO RESPONSE CYLINDER LOCK SWITCH GROUND OPEN INSTRUMENT CLUSTER CYLINDER LOCK SWITCH MUX CIRCUIT OPEN CYLINDER LOCK SWITCH OPEN INSTRUMENT CLUSTER - CYLINDER LOCK SWITCH MUX OPEN TEST ACTION...
Page 543 VEHICLE THEFT/SECURITY *VTSS WILL NOT ARM PROPERLY — Continued TEST ACTION APPLICABILITY Ensure the doors are closed. With the DRBIII , read the active DTC’s and the ajar switch states. Does the DRBIII display any closed switches or related DTC’s? Yes →...
Page 544: Windshield Wiper & Washer
WINDSHIELD WIPER & WASHER Symptom: FCM-WASHER FLUID LEVEL SENSOR CIRCUIT FAILURE When Monitored and Set Condition: FCM-WASHER FLUID LEVEL SENSOR CIRCUIT FAILURE When Monitored: Continuous with the ignition on. Set Condition: The FCM detects the Washer Fluid Level Switch circuit voltage is below 0.05 volts or above 5.0 volts.
Page 545 WINDSHIELD WIPER & WASHER FCM-WASHER FLUID LEVEL SENSOR CIRCUIT FAILURE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the FCM harness connector. Disconnect the Washer Fluid Level Switch harness connector. Measure the resistance between ground and the Washer Fluid Level Switch Signal circuit.
Page 546: Fcm-Washer Pump Output Circuit Low
WINDSHIELD WIPER & WASHER Symptom: FCM-WASHER PUMP OUTPUT CIRCUIT LOW When Monitored and Set Condition: FCM-WASHER PUMP OUTPUT CIRCUIT LOW When Monitored: With the igntion on. Set Condition: The FCM detects less than 0.05 volts on the Washer Pump Motor Control circuit.
Page 547 WINDSHIELD WIPER & WASHER FCM-WASHER PUMP OUTPUT CIRCUIT LOW — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Integrated Power Module C3 harness connector. Disconnect the Washer Pump Motor harness connector. Measure the resistance between ground and the Washer Pump Motor Control circuit. Is the resistance below 5.0 ohms? Yes →...
Page 548: Fcm-Washer Pump Output Circuit Open
WINDSHIELD WIPER & WASHER Symptom: FCM-WASHER PUMP OUTPUT CIRCUIT OPEN When Monitored and Set Condition: FCM-WASHER PUMP OUTPUT CIRCUIT OPEN When Monitored: With the igntion on. Set Condition: The FCM detects more than 5.0 volts on the Washer Pump Motor Control circuit.
Page 549 WINDSHIELD WIPER & WASHER FCM-WASHER PUMP OUTPUT CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Washer Pump Motor harness connector. Measure the resistance between ground and the Washer Pump Motor Ground circuit. Is the resistance above 5.0 ohms? Yes →...
Page 550: Fcm-Wiper On-Off Relay Output Circuit High
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT HIGH POSSIBLE CAUSES INTERMITTENT CONDITION WIPER ON/OFF RELAY POWER DISTRIBUTION CENTER INTERNAL SHORT TO VOLTAGE FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Wipers ON than OFF.
Page 551: Fcm-Wiper On-Off Relay Output Circuit Low
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION WIPER ON/OFF RELAY POWER DISTRIBUTION CENTER FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Wipers ON then OFF. With the DRBIII , read the DTC information.
Page 552: Fcm-Wiper On-Off Relay Output Circuit Open
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION WIPER ON/OFF RELAY POWER DISTRIBUTION CENTER FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Turn the Wipers ON then OFF. With the DRBIII , read the DTC information.
Page 553: Fcm-Wiper Park Switch Input Performance
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER PARK SWITCH INPUT PERFORMANCE POSSIBLE CAUSES INTERMITTENT CONDITION WIPER MOTOR PARK SWITCH GROUND CIRCUIT OPEN WIPER MOTOR WIPER PARK SWITCH SENSE CIRCUIT SHORT TO VOLTAGE WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND WIPER PARK SWITCH SENSE CIRCUIT OPEN POWER DISTRIBUTION CENTER FRONT CONTROL MODULE TEST...
Page 554 WINDSHIELD WIPER & WASHER FCM-WIPER PARK SWITCH INPUT PERFORMANCE — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the IPM C4 harness connector. Disconnect the Wiper Motor harness connector. Measure the voltage between the Wiper Park Switch Sense circuit and ground. Is there any voltage present? Yes →...
Page 555: Fcm-Wiper Speed Relay Output Circuit High
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER SPEED RELAY OUTPUT CIRCUIT HIGH POSSIBLE CAUSES INTERMITTENT CONDITION WIPER HIGH/LOW RELAY POWER DISTRIBUTION CENTER INTERNAL SHORT TO VOLTAGE FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Wipers in all speed positions.
Page 556: Fcm-Wiper Speed Relay Output Circuit Low
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER SPEED RELAY OUTPUT CIRCUIT LOW POSSIBLE CAUSES INTERMITTENT CONDITION WIPER HIGH/LOW RELAY POWER DISTRIBUTION CENTER FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Wipers in all speed positions. With the DRBIII , read the DTC information.
Page 557: Fcm-Wiper Speed Relay Output Circuit Open
WINDSHIELD WIPER & WASHER Symptom: FCM-WIPER SPEED RELAY OUTPUT CIRCUIT OPEN POSSIBLE CAUSES INTERMITTENT CONDITION WIPER HIGH/LOW RELAY POWER DISTRIBUTION CENTER FRONT CONTROL MODULE TEST ACTION APPLICABILITY Turn the ignition on. With the DRBIII , clear all FCM DTC’s. Actuate the Wipers in all speed positions. With the DRBIII , read the DTC information.
Page 558: Mic-Wash-Beam Input Circuit Shorted
WINDSHIELD WIPER & WASHER Symptom: MIC-WASH-BEAM INPUT CIRCUIT SHORTED When Monitored and Set Condition: MIC-WASH-BEAM INPUT CIRCUIT SHORTED When Monitored: With the ignition on. Set Condition: The Instrument Cluster detects less than 0.05 volts on the Wash/Beam Select Switch Feed circuit. POSSIBLE CAUSES INTERMITTENT CONDITION MULTI- FUNCTION SWITCH...
Page 559 WINDSHIELD WIPER & WASHER MIC-WASH-BEAM INPUT CIRCUIT SHORTED — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Instrument Cluster C2 harness connector. Disconnect the Multi- Function Switch harness connector. Measure the resistance between ground and the Wash/beam Select Switch Feed circuit.
Page 560: Mic-Wiper Switch Input Circuit Open
WINDSHIELD WIPER & WASHER Symptom: MIC-WIPER SWITCH INPUT CIRCUIT OPEN When Monitored and Set Condition: MIC-WIPER SWITCH INPUT CIRCUIT OPEN When Monitored: With the ignition on. Set Condition: The Instrument Cluster detects above 5.0 volts on the multi-function circuit. POSSIBLE CAUSES INTERMITTENT CONDITION MULTI- FUNCTION SWITCH INTERMITTENT WIPER SWITCH SENSE CIRCUIT OPEN...
Page 561 WINDSHIELD WIPER & WASHER MIC-WIPER SWITCH INPUT CIRCUIT OPEN — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Multi- Function Switch harness connector. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance of the Intermittent Wiper Switch Sense circuit. Is the resistance above 5.0 ohms? Yes →...
Page 562: Mic-Wiper Switch Input Circuit Shorted
WINDSHIELD WIPER & WASHER Symptom: MIC-WIPER SWITCH INPUT CIRCUIT SHORTED When Monitored and Set Condition: MIC-WIPER SWITCH INPUT CIRCUIT SHORTED When Monitored: With the ignition on. Set Condition: The Instrument Cluster detects the multifunction circuit voltage is below 0.05 volts. POSSIBLE CAUSES INTERMITTENT CONDITION MULTI- FUNCTION SWITCH...
Page 563 WINDSHIELD WIPER & WASHER MIC-WIPER SWITCH INPUT CIRCUIT SHORTED — Continued TEST ACTION APPLICABILITY Turn the ignition off. Disconnect the Multi- Function Switch harness connector. Disconnect the Instrument Cluster C2 harness connector. Measure the resistance between ground and the Intermittent Wiper Switch Sense circuit.
Page 564: Verification Tests
VERIFICATION TESTS Verification Tests (NGC) 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 APPLICABILITY 1. NOTE: After completion of the Transmission Verification Test, the Powertrain Verification Test must be performed. 2. Connect the DRBIII to the Data Link Connector (DLC). 3. Reconnect any disconnected components. 4.
Page 565 VERIFICATION TESTS Verification Tests — Continued (NGC) POWERTRAIN VERIFICATION TEST VER - 5 APPLICABILITY 1. NOTE: After completing the Powertrain Verification Test the Transmission Verifi- cation Test must be performed. 2. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the SKIM.
Page 566 VERIFICATION TESTS Verification Tests — Continued ABS VERIFICATION TEST - VER 1 APPLICABILITY 1. Turn the ignition off. 2. Connect all previously disconnected components and connectors. 3. Ensure all accessories are turned off and the battery is fully charged. 4. Ensure that the Ignition is on, and with the DRBIII , erase all Diagnostic Trouble Codes from ALL modules.
Page 567 VERIFICATION TESTS Verification Tests — Continued POWERTRAIN VERIFICATION TEST VER - 1 APPLICABILITY 1. Inspect the vehicle to ensure that all engine components are properly installed and connected. Reassemble and reconnect components as necessary. 2. Inspect the engine oil for contamination. If oil contamination is suspected, change the oil and filter.
Page 568 VERIFICATION TESTS Verification Tests — Continued SKIS VERIFICATION APPLICABILITY 1. Reconnect all previously disconnected components and connectors. 2. Obtain the vehicle’s unique Personal Identification Number (PIN) assigned to it’s original SKIM. This number can be obtained from the vehicle’s invoice or Chrysler’s Customer Center (1-800-992-1997).
Page 569 VERIFICATION TESTS Verification Tests — Continued VTSS VERIFICATION TEST - 1A APPLICABILITY 1. Open the driver door and roll down the window. 2. Remove the ignition key (but keep in hand). 3. Lock the doors with RKE transmitter or power door lock switch. 4.
Page 570 NOTES...
Page 571: Component Locations
COMPONENT LOCATIONS 8.0 COMPONENT LOCATIONS 8.1 AIRBAG SYSTEM...
Page 572: Audio
COMPONENT LOCATIONS 8.2 AUDIO 8.2.1 AMPLIFIER 8.3 HEATING & A/C...
Page 573: Instrument Cluster
COMPONENT LOCATIONS 8.4 INSTRUMENT CLUSTER 8.5 POWER DOOR LOCKS/RKE 8.5.1 CYLINDER LOCK SWITCH 8.5.2 RKE MODULE...
Page 574 NOTES...
Page 575: Connector Pinouts
CONNECTOR PINOUTS 9.0 CONNECTOR PINOUTS A/C HEATER CONTROL C1 - BLACK 16 WAY CIRCUIT FUNCTION F504 20GY/PK FUSED IGNITION SWITCH OUTPUT (RUN) Z24 18BK/OR GROUND C121 20DB/DG SENSOR GROUND C29 20DB MODE DOOR 2 DRIVER C21 20DB/LG EVAPORATOR TEMPERATURE SENSOR SIGNAL E16 20OR/GY PANEL LAMPS DRIVER C61 20DB/LG...
Page 576: Airbag Control Module C1 - 24 Way
CONNECTOR PINOUTS AIRBAG CONTROL MODULE C1 - 24 WAY CIRCUIT FUNCTION D25 20WT/VT PCI BUS Z104 18BK/LG GROUND G104 20VT/GY PASSENGER AIRBAG INDICATOR DRIVER R104 20LB/LG PASSENGER AIRBAG MUX SWITCH RETURN R106 20LG/LB PASSENGER AIRBAG MUX SWITCH SENSE R43 20LG/BR DRIVER SQUIB 1 LINE 1 R45 20LG/OR DRIVER SQUIB 1 LINE 2...
Page 577: Airbag Control Module C2 - 32 Way
CONNECTOR PINOUTS AIRBAG CONTROL MODULE C2 - 32 WAY CIRCUIT FUNCTION R53 20LG/YL DRIVER SEAT BELT TENSIONER LINE 2 R55 20LG/DG DRIVER SEAT BELT TENSIONER LINE 1 R56 20LB/DG PASSENGER SEAT BELT TENSIONER LINE 1 R54 20LB/YL PASSENGER SEAT BELT TENSIONER LINE 2 R1 18LB/WT (LIGHT LEFT CURTAIN SQUIB 1 LINE 2 DUTY)
Page 578: Airbag-Driver Squib 2 - (Sensor Side)
CONNECTOR PINOUTS AIRBAG-DRIVER SQUIB 2 - (SENSOR SIDE) CIRCUIT FUNCTION R61 20LG/VT DRIVER SQUIB 2 LINE 1 R63 20LG/WT DRIVER SQUIB 2 LINE 2 AIRBAG-LEFT CURTAIN - YELLOW 2 WAY CIRCUIT FUNCTION R3 18LB/OR LEFT CURTAIN SQUIB 1 LINE 1 R1 18LB/WT LEFT CURTAIN SQUIB 1 LINE 2 AIRBAG-PASSENGER ON/OFF SWITCH - 6 WAY...
Page 579: Airbag-Right Curtain - Yellow 2 Way
CONNECTOR PINOUTS AIRBAG-RIGHT CURTAIN - YELLOW 2 WAY CIRCUIT FUNCTION R4 18OR/LB RIGHT CURTAIN SQUIB 1 LINE 1 R2 18WT/LB RIGHT CURTAIN SQUIB 1 LINE 2 AMBIENT TEMPERATURE SENSOR - 2 WAY CIRCUIT FUNCTION G31 20VT/LG AAT SIGNAL K900 20DB/DG SENSOR GROUND AMPLIFIER AUDIO C1 (PREMIUM) - GRAY 12 WAY CIRCUIT...
Page 580: Amplifier Audio C2 (Premium) - Gray 18 Way
CONNECTOR PINOUTS AMPLIFIER AUDIO C2 (PREMIUM) - GRAY 18 WAY CIRCUIT FUNCTION A116 18YL/RD FUSED B(+) X295 18GY/DG LEFT REAR SPEAKER (-) X154 18GY/YL RIGHT FRONT DOOR SPEAKER (+) X153 18DG/YL LEFT FRONT DOOR SPEAKER (+) X208 18GY/DG RIGHT INSTRUMENT PANEL SPEAKER (+) X299 18GY/YL LEFT INSTRUMENT PANEL SPEAKER (-) A116 18YL/RD...
Page 581: Blend Door Actuator (Single Zone) - 2 Way
CONNECTOR PINOUTS BLEND DOOR ACTUATOR (SINGLE ZONE) - 2 WAY CIRCUIT FUNCTION C34 20DB/LB COMMON DOOR DRIVER C61 20DB/LG BLEND DOOR DRIVER BLOWER MOTOR - BLACK 2 WAY CIRCUIT FUNCTION C70 10DB/YL BLOWER MOTOR HIGH DRIVER C7 10DB BLOWER MOTOR FEED BLOWER MOTOR RESISTOR BLOCK - BLACK 4 WAY CIRCUIT FUNCTION...
Page 582: C200 - (Hvac Side)
CONNECTOR PINOUTS C200 - (HVAC SIDE) CIRCUIT C70 10DB/YL C34 20DB/LB C71 16DB/BR C32 20DB/TN C73 14DB/VT C72 16DB/OR C7 10DB C29 20DB C21 20DB/LG (EXCEPT BASE A/C) C121 20DB/DG C33 20LB/BR C61 20DB/LG C33 20LB/BR (DUAL ZONE) C801 20DB/OR C200 - (I/P SIDE) CIRCUIT C70 10DB/YL...
Page 583: C201 - White (I/P Side)
CONNECTOR PINOUTS C201 - WHITE (I/P SIDE) CIRCUIT D25 20WT/VT (PREMIUM) Z13 18BK/WT L50 18WT/TN Z350 18BK/TN A919 20RD (PREMIUM) F21 20PK/DG L14 20WT/TN Z964 18BK M20 20YL/LB M22 20YL/OR L1 20WT/LG M288 18YL/GY...
Page 584: C219 - (Headlamp And Dash Side)
CONNECTOR PINOUTS C219 - (HEADLAMP AND DASH SIDE) CIRCUIT C110 20DB/LB (TRAILER TOW) D15 18WT/DG (NGC) L50 18WT/TN F1 16PK/WT (NGC) D21 20WT/BR A103 18GY/RD T751 16YL D20 20WT/LG E11 20OR/DB (ELECTRONIC TRANS- FER CASE) A970 10RD A991 10RD (TRAILER TOW) V38 20VT/OR (5.7L) V37 20VT T6 20DG (GAS/DIESEL A/T)
Page 585: C219 - (I/P Side)
CONNECTOR PINOUTS C219 - (I/P SIDE) CIRCUIT C110 20DB/LB (EXCEPT BASE) D15 18WT/DG L50 18WT/TN F1 16PK/WT D21 18WT/BR A103 18GY/RD T751 16YL D20 20WT/LG E11 20OR/DB (EXCEPT BASE) A970 10RD A991 10RD V38 20VT/OR V37 20VT T6 20DG L70 18WT/GY F21 20PK/DG V32 20VT/YL A921 16RD...
Page 586: C220 - (I/P Side)
CONNECTOR PINOUTS C220 - (I/P SIDE) CIRCUIT F983 20PK/YL X295 18GY/DG X153 18DG/YL G75 20VT G77 20VT/GY X155 18DG/LB G10 20VT/LG G163 20VT/LB (SLT) X205 18GY/LG P5 18TN/OR (SLT) F100 18PK/VT F201 18PK/OR P393 18LG (SLT) G161 20VT/DG (SLT) P1 18TN/LG (SLT) F30 12PK/YL (SLT) C220 - NATURAL (BODY SIDE) CIRCUIT...
Page 587: C308 - (Body Side)
CONNECTOR PINOUTS C308 - (BODY SIDE) CIRCUIT G74 20VT/WT G162 20VT/LB (SLT) D25 20WT/VT X154 18GY/YL G160 20VT/LG (SLT) G76 20TN/YL F201 18PK/OR P392 18LG/DB (SLT) G778 18VT/LB (SLT) F21 20PK/DG (SLT) X206 18DG/LG X296 18DG/GY Z105 18BK X156 18GY/LB C308 - (I/P SIDE) CIRCUIT G74 20VT/WT...
Page 588: Clockspring C2 - Yellow 4 Way
CONNECTOR PINOUTS CLOCKSPRING C2 - YELLOW 4 WAY CIRCUIT FUNCTION R61 20LG/VT DRIVER SQUIB 2 LINE 1 R63 20LG/WT DRIVER SQUIB 2 LINE 2 R43 20LG/BR DRIVER SQUIB 1 LINE 1 R45 20LG/OR DRIVER SQUIB 1 LINE 2 CLOCKSPRING C3 - BLACK 4 WAY CIRCUIT FUNCTION X3 20DG/VT...
Page 589: Controller Anitlock Brake C1 - Black 14 Way
CONNECTOR PINOUTS CONTROLLER ANITLOCK BRAKE C1 - BLACK 14 WAY CIRCUIT FUNCTION B4 20DG/GY REAR WHEEL SPEED SENSOR (+) B222 20DG/WT (ETC) VEHICLE SPEED SIGNAL NO. 2 D25 20WT/VT PCI BUS F500 20DG/PK FUSED IGNITION SWITCH OUTPUT (RUN) B9 20DG/LG (ETC) LEFT FRONT WHEEL SPEED SENSOR (+) Z107 12BK/DG GROUND...
Page 590: Dome Lamp - Black 3 Way
CONNECTOR PINOUTS DOME LAMP - BLACK 3 WAY CIRCUIT FUNCTION M20 20YL/LB COURTESY LAMPS DRIVER Z964 20BK GROUND DOOR AJAR SWITCH-DRIVER - BLACK 2 WAY CIRCUIT FUNCTION G75 20VT DRIVER DOOR AJAR SWITCH SENSE Z75 20BK/VT GROUND DOOR AJAR SWITCH-LEFT REAR - BLACK 2 WAY CIRCUIT FUNCTION G77 20VT/GY...
Page 591: Door Lock Motor/Ajar Switch-Driver - Black 4 Way
CONNECTOR PINOUTS DOOR LOCK MOTOR/AJAR SWITCH-DRIVER - BLACK 4 WAY CIRCUIT FUNCTION G75 20VT DRIVER DOOR AJAR SWITCH SENSE Z75 20BK/VT GROUND P1 18TN/LG DOOR UNLOCK DRIVER LEFT FRONT P393 18LG DOOR LOCK DRIVER LEFT DOORS DOOR LOCK MOTOR/AJAR SWITCH-LEFT REAR - BLACK 4 WAY CIRCUIT FUNCTION G77 20VT/GY...
Page 592: Door Lock Switch-Passenger - 6 Way
CONNECTOR PINOUTS DOOR LOCK SWITCH-PASSENGER - 6 WAY CIRCUIT FUNCTION G160 20VT/LG PASSENGER DOOR LOCK SWITCH MUX F21 20PK/DG FUSED IGNITION SWITCH OUTPUT (RUN-START) Z461 20BK/DG GROUND DRIVER BLEND DOOR ACTUATOR (DUAL ZONE) CIRCUIT FUNCTION C61 20DB/LG BLEND DOOR DRIVER C34 20DB/LB COMMON DOOR DRIVER DRIVER DOOR MODULE C1 - BLUE 12 WAY...
Page 593: Engine Control Module C2 (Diesel) - 50 Way
CONNECTOR PINOUTS ENGINE CONTROL MODULE C2 (DIESEL) - 50 WAY CIRCUIT FUNCTION K615 18VT/WT INLET AIR TEMPERATURE SENSE K615 18BR/WT (M/T) INLET AIR TEMPERATURE SENSE V35 18VT/OR (A/T) S/C VENT CONTROL K176 18BR/OR INTAKE AIR HEATER RELAY NO 2 CONTROL K174 18BR/YL INTAKE AIR HEATER RELAY NO 1 CONTROL V32 18VT/YL (A/T)
Page 594: Evaporator Temperature Sensor - 2 Way
CONNECTOR PINOUTS EVAPORATOR TEMPERATURE SENSOR - 2 WAY CIRCUIT FUNCTION C121 20DB/DG SENSOR GROUND C21 20DB/LG EVAPORATOR TEMPERATURE SENSOR SIGNAL FOG LAMP-LEFT - GRAY 2 WAY CIRCUIT FUNCTION Z926 18BK GROUND L89 18WT/YL FOG LAMP RELAY OUTPUT FOG LAMP-RIGHT - WHITE 2 WAY CIRCUIT FUNCTION Z926 18BK...
Page 595: Hands Free Module (Telematics) - 22 Way
CONNECTOR PINOUTS HANDS FREE MODULE (TELEMATICS) - 22 WAY CIRCUIT FUNCTION A114 18GY/RD FUSED B(+) F983 20PK/YL FUSED IGNITION SWITCH OUTPUT (RUN-ACC) X722 18LB/DG MICROPHONE 2 IN (+) X703 18DG/OR LEFT AUDIO OUTPUT X704 18DG/YL RIGHT AUDIO OUTPUT X795 18DG HANDS FREE AUDIO OUTPUT COMMON D25 20WT/VT PCI BUS...
Page 596 CONNECTOR PINOUTS...
Page 597: Heated Mirror Relay - 5 Way
CONNECTOR PINOUTS HEATED MIRROR RELAY - 5 WAY CIRCUIT FUNCTION INTERNAL FUSED B(+) INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN) C110 20DB/LB DEFOGGER RELAY CONTROL C16 16 DB/GY HEATED MIRROR RELAY OUTPUT HORN SWITCH - WHITE 2 WAY CIRCUIT FUNCTION X3 20DG/VT HORN SWITCH SENSE HORN-HIGH NOTE - 2 WAY CIRCUIT...
Page 598: Ignition Switch - Black 14 Way
CONNECTOR PINOUTS IGNITION SWITCH - BLACK 14 WAY CIRCUIT FUNCTION A970 10RD FUSED B(+) F1 16PK/WT FUSED IGNITION SWITCH OUTPUT (OFF-RUN-START) F951 16PK/LG FUSED IGNITION SWITCH OUTPUT (RUN-START) A951 16RD FUSED B(+) G15 20VT/TN KEY IN IGNITION SWITCH SENSE Z943 20BK GROUND A921 16RD FUSED B(+)
Page 599: Instrument Cluster C2 - Gray 16 Way
CONNECTOR PINOUTS INSTRUMENT CLUSTER C2 - GRAY 16 WAY CIRCUIT FUNCTION G194 20VT/LG WASH/BEAM SELECT SWITCH SIGNAL G160 20VT/LG (SLT) PASSENGER DOOR LOCK SWITCH MUX G161 20VT/DG (SLT) DRIVER DOOR LOCK SWITCH MUX E2 20OR/BR PANEL LAMPS DIMMER SIGNAL L116 20WT/LG HEADLAMP SWITCH SIGNAL G163 20VT/LB (SLT) DRIVER CYLINDER LOCK SWITCH MUX...
Page 600 CONNECTOR PINOUTS...
Page 601: Integrated Power Module (Fcm) - 49 Way
CONNECTOR PINOUTS INTEGRATED POWER MODULE (FCM) - 49 WAY CIRCUIT FUNCTION L44 18WT/TN RIGHT LOW BEAM DRIVER L33 18WT/LG LEFT HIGH BEAM DRIVER INTERNAL FUSED B(+) INTERNAL FUSED B(+) W10 20BR WASHER PUMP MOTOR SENSE INTERNAL FUSED B(+) INTERNAL FUSED B(+) L34 18WT/GY RIGHT HIGH BEAM DRIVER L43 18WT/DB...
Page 602 CONNECTOR PINOUTS...
Page 603 CONNECTOR PINOUTS...
Page 604: Fog Lamp Relay
CONNECTOR PINOUTS FOG LAMP RELAY CIRCUIT FUNCTION INTERNAL FUSED B(+) INTERNAL FUSED B(+) INTERNAL FOG LAMP RELAY CONTROL L89 18WT/YL FOG LAMP RELAY OUTPUT HORN RELAY CIRCUIT FUNCTION INTERNAL FUSED B(+) INTERNAL FUSED B(+) INTERNAL HORN RELAY CONTROL X2 18DG/OR HORN RELAY OUTPUT WIPER HIGH/LOW RELAY CIRCUIT...
Page 605: Integrated Power Module C1 - 26 Way
CONNECTOR PINOUTS INTEGRATED POWER MODULE C1 - 26 WAY CIRCUIT FUNCTION A960 14RD (DIESEL) FUSED B(+) A16 16RD/BR (NGC) FUSED B(+) F21 20PK/DG FUSED IGNITION SWITCH OUTPUT (RUN-START) F500 20DG/PK FUSED IGNITION SWITCH OUTPUT (RUN) L673 18YL TRAILER TOW LEFT TURN RELAY OUTPUT L674 18LG TRAILER TOW RIGHT TURN RELAY OUTPUT A981 14RD...
Page 606: Integrated Power Module C3 - 16 Way
CONNECTOR PINOUTS INTEGRATED POWER MODULE C3 - 16 WAY CIRCUIT FUNCTION W10 20BR WASHER PUMP MOTOR CONTROL L62 18WT/YL RIGHT REAR TURN LAMP DRIVER Z117 18BK/WT GROUND G31 20VT/LG (DIESEL) AAT SIGNAL Z118 18BK/YL GROUND L1 18WT/LG BACKUP LAMP FEED D25 20VT/PK PCI BUS L61 18WT/LG...
Page 607: Integrated Power Module C5 - 26 Way
CONNECTOR PINOUTS INTEGRATED POWER MODULE C5 - 26 WAY CIRCUIT FUNCTION F922 16PK/YL FUSED IGNITION SWITCH OUTPUT (RUN) F941 20PK/LG (DIESEL) FUSED IGNITION SWITCH OUTPUT (RUN-START) Z912 20BK (GAS) GROUND L10 18WT/GY FUSED IGNITION SWITCH OUTPUT (RUN) Z920 12BK GROUND C110 20DB/LB DEFOGGER RELAY CONTROL C13 20LB/OR...
Page 608: Integrated Power Module C7 - Gray 26 Way
CONNECTOR PINOUTS INTEGRATED POWER MODULE C7 - GRAY 26 WAY CIRCUIT FUNCTION T750 14YL/GY STARTER MOTOR RELAY OUTPUT W3 16BR/WT WIPER RELAY LOW SPEED OUTPUT F983 20PK/YL FUSED IGNITION SWITCH OUTPUT (RUN-ACC) A930 18RD FUSED B(+) L43 18WT/DB LEFT LOW BEAM OUTPUT L34 18WT/GY RIGHT HIGH BEAM OUTPUT A109 16OR/RD (GAS)
Page 609: Multi-Function Switch - Black 4 Way
CONNECTOR PINOUTS MULTI-FUNCTION SWITCH - BLACK 4 WAY CIRCUIT FUNCTION G194 20VT/LG WASH/BEAM SELECT SWITCH SIGNAL L900 20WT/YL WIPER/TURN/BEAM SELECT SWITCH RETURN L12 20WT/OR TURN LAMPS SWITCH SIGNAL W52 20BR/YL INTERMITTENT WIPER SWITCH SIGNAL PARK/TURN SIGNAL LAMP-LEFT FRONT - BROWN 3 WAY CIRCUIT FUNCTION L61 18WT/LG...
Page 610: Powertrain Control Module C1 (Ngc) - Black 38 Way
CONNECTOR PINOUTS POWERTRAIN CONTROL MODULE C1 (NGC) - BLACK 38 WAY CIRCUIT FUNCTION K98 18DB/YL (EXCEPT COIL CONTROL NO. 8 3.7L) K97 18BR/YL (4.7L) COIL CONTROL NO. 7 K97 18BR (5.7L) COIL CONTROL NO. 7 K28 18BR/LB (EXCEPT INJECTOR CONTROL NO. 8 3.7L) K26 18BR/YL (EXCEPT INJECTOR CONTROL NO.
Page 611: Radio C1 (Except Infinity) - Gray 22 Way
CONNECTOR PINOUTS RADIO C1 (EXCEPT INFINITY) - GRAY 22 WAY CIRCUIT FUNCTION A114 18GY/RD FUSED B(+) F983 20PK/YL FUSED IGNITION SWITCH OUTPUT (RUN-ACC) E14 20OR/TN PANEL LAMPS DRIVER X154 18GY/YL RIGHT FRONT DOOR SPEAKER (+) X156 18GY/LB RIGHT FRONT DOOR SPEAKER (-) X155 18DG/LB LEFT FRONT DOOR SPEAKER (-) X153 18DG/YL...
Page 612: Radio C2 - 10 Way
CONNECTOR PINOUTS RADIO C2 - 10 WAY CIRCUIT FUNCTION X704 18DG/YL RIGHT AUDIO OUTPUT X795 18DG HANDS FREE AUDIO OUTPUT COMMON X703 18DG/OR LEFT AUDIO OUTPUT...
Page 613 CONNECTOR PINOUTS...
Page 614: Rear Window Defogger Relay
CONNECTOR PINOUTS REAR WINDOW DEFOGGER RELAY CIRCUIT FUNCTION C15 16DB/WT REAR WINDOW DEFOGGER RELAY OUTPUT C110 20DB/LB DEFOGGER RELAY CONTROL INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN) INTERNAL FUSED B(+) RECIRCULATION DOOR ACTUATOR - 2 WAY CIRCUIT FUNCTION C34 20DB/LB COMMON DOOR DRIVER C32 20DB/TN RECIRCULATION DOOR DRIVER REMOTE RADIO SWITCH-LEFT - BLACK 2 WAY...
Page 615: Seat Belt Tensioner-Driver - 2 Way
CONNECTOR PINOUTS SEAT BELT TENSIONER-DRIVER - 2 WAY CIRCUIT FUNCTION R55 20LG/DG DRIVER SEAT BELT TENSIONER LINE 1 R53 20LG/YL DRIVER SEAT BELT TENSIONER LINE 2 SEAT BELT TENSIONER-PASSENGER - 2 WAY CIRCUIT FUNCTION R54 20LB/YL PASSENGER SEAT BELT TENSIONER LINE 2 R56 20LB/DG PASSENGER SEAT BELT TENSIONER LINE 1 SENTRY KEY IMMOBILIZER MODULE (SKIM) - BLACK 6 WAY...
Page 616: Speaker-Center Instrument Panel - 2 Way
CONNECTOR PINOUTS SPEAKER-CENTER INSTRUMENT PANEL - 2 WAY CIRCUIT FUNCTION X299 18GY/YL LEFT INSTRUMENT PANEL SPEAKER (-) X208 18GY/DG RIGHT INSTRUMENT PANEL SPEAKER (+) SPEAKER-LEFT FRONT DOOR - WHITE 3 WAY CIRCUIT FUNCTION X155 18DG/LB LEFT FRONT DOOR SPEAKER (-) X153 18DG/YL LEFT FRONT DOOR SPEAKER (+) SPEAKER-LEFT INSTRUMENT PANEL - BLACK 2 WAY...
Page 617: Speaker-Right Front Door - White 3 Way
CONNECTOR PINOUTS SPEAKER-RIGHT FRONT DOOR - WHITE 3 WAY CIRCUIT FUNCTION X156 18GY/LB RIGHT FRONT DOOR SPEAKER (-) X154 18GY/YL RIGHT FRONT DOOR SPEAKER (+) SPEAKER-RIGHT INSTRUMENT PANEL - BLACK 2 WAY CIRCUIT FUNCTION X208 18GY/DG RIGHT INSTRUMENT PANEL SPEAKER (+) X298 18GY/LG RIGHT INSTRUMENT PANEL SPEAKER (-) SPEAKER-RIGHT REAR - WHITE 3 WAY...
Page 618: Transfer Case Control Module C2 (Electric 4X4) - 16 Way
CONNECTOR PINOUTS TRANSFER CASE CONTROL MODULE C2 (ELECTRIC 4x4) - 16 WAY CIRCUIT FUNCTION D202 20WT/VT MODE SENSOR B D201 20WT/DG MODE SENSOR A T41 20YL/DB TRS T41 SENSE T313 20YL/LG 5 VOLT MODE SENSOR SUPPLY D203 20WT/BR MODE SENSOR C T322 20DG/GY 5 VOLT SELECTOR SWITCH SUPPLY TRANSFER CASE CONTROL MODULE C3 (ELECTRIC 4x4) - 4 WAY...
Page 619: Schematic Diagrams
SCHEMATIC DIAGRAMS 10.0 SCHEMATIC DIAGRAMS 10.1 AIRBAG SYSTEM...
Page 620: Audio System
SCHEMATIC DIAGRAMS 10.2 AUDIO SYSTEM 10.2.1 PREMIUM AUDIO SYSTEM...
Page 621: Base Audio System
SCHEMATIC DIAGRAMS 10.2.2 BASE AUDIO SYSTEM...
Page 622: Remote Radio Controls
SCHEMATIC DIAGRAMS 10.2 AUDIO SYSTEM (Continued) 10.2.3 REMOTE RADIO CONTROLS...
Page 623: Communication
SCHEMATIC DIAGRAMS 10.3 COMMUNICATION 10.3.1 PCI BUS COMMUNICATION...
Page 624: Pcm Communication - Jtec
SCHEMATIC DIAGRAMS 10.3 COMMUNICATION (Continued) 10.3.2 PCM COMMUNICATION - JTEC 10.3.3 PCM COMMUNICATION - NGC...
Page 625: Ecm Communication - Diesel
SCHEMATIC DIAGRAMS 10.3.4 ECM COMMUNICATION - DIESEL...
Page 626: Door Ajar System
SCHEMATIC DIAGRAMS 10.4 DOOR AJAR SYSTEM...
Page 627: Electrically Heated Systems
SCHEMATIC DIAGRAMS 10.5 ELECTRICALLY HEATED SYSTEMS 10.5.1 HEATED MIRROR SYSTEM...
Page 628: Rear Window Defogger
SCHEMATIC DIAGRAMS 10.5 ELECTRICALLY HEATED SYSTEMS (Continued) 10.5.2 REAR WINDOW DEFOGGER...
Page 629: Exterior Lights
SCHEMATIC DIAGRAMS 10.6 EXTERIOR LIGHTS...
Page 630: Heating A/C System
SCHEMATIC DIAGRAMS 10.7 HEATING A/C SYSTEM...
Page 631: Ignition, Power, Accessory
SCHEMATIC DIAGRAMS 10.8 IGNITION, POWER, ACCESSORY 10.8.1 HORN SYSTEM...
Page 632: Instrument Cluster
SCHEMATIC DIAGRAMS 10.9 INSTRUMENT CLUSTER...
Page 633: Overhead Console
SCHEMATIC DIAGRAMS 10.10 OVERHEAD CONSOLE...
Page 634: Power Door Locks
SCHEMATIC DIAGRAMS 10.11 POWER DOOR LOCKS...
Page 635: Telecommunications - Hands Free System
SCHEMATIC DIAGRAMS 10.12 TELECOMMUNICATIONS - HANDS FREE SYSTEM...
Page 636: Vehicle Theft Security System
SCHEMATIC DIAGRAMS 10.13 VEHICLE THEFT SECURITY SYSTEM...
Page 637: Wipers
SCHEMATIC DIAGRAMS 10.14 WIPERS...
Page 638 NOTES...
Page 639: Charts And Graphs
CHARTS AND GRAPHS 11.0 CHARTS AND GRAPHS 11.1 DIAGNOSTIC TROUBLE CODE...
Page 640 NOTES...
Page 641 DIAGNOSTIC TEST PROCEDURES — TELL US! DaimlerChrysler Corporation is constantly working to provide the technician the best diagnostic manuals possible. Your comments and recommendations regarding the diagnostic manuals and procedures are appreciated. To best understand your suggestion, please complete the form giving us as much detail as possible. Model Year Body Type...
Page 642 Dealer Technical Operations 800 Chrysler Drive CIMS 486-02-76 Auburn Hills, MI 48326-2757...

Dodge Ram 2004 Service Manual

1 Introduction

2 Identification of System

3 System Description and Functional Operation

4 Disclaimers, Safety, Warnings

5 Required Tools and Equipment

6 Glossary of Terms

7 Diagnostic Information and Procedures

Airbag

Audio

Compass/Mini-Trip Computer

Door Ajar

Electrically Heated Systems

Exterior Lighting

Quick Links

TABLE OF CONTENTS

Related Manuals for Dodge Ram 2004

Summary of Contents for Dodge Ram 2004