Body Control System - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories Table of Contents 8-5
Schematic and Routing Diagrams .............. 8-375
Repair Instructions ...................................... 8-463
Data Link Connector (DLC} Schematics ..... 8-376
Body Control Module Replacement ............ 8-463
Diagnostic Information and Procedures ..... 8-378 BCM Programming/RPO Configuration ....... 8-465
Data Link Communications Description and Operation .......................... 8-465
Scan Tool Inoperative ................................ 8-379
Scan Tool Does Not Communicate
with UART Data Line .............................. 8-379
Scan Tool Does Not Communicate
w/Class 2 Data Line ............................... 8-381
Instrument Panel, Gauges and
Console .........................................
8-467
Specifications .............................................. 8-467
Fastener Tightening Specifications ............. 8-467
Description and Operation .......................... 8-382
Data Link Connector Circuit Description ..... 8-382
lnline Harness Connector End Views ......... 8-383
Harness Routing Views .............................. 8-401
Body Control System ..................................
8-425
Schematic and Routing Diagrams .............. 8-468
Instrument Cluster Schematic
References ............................................. 8-468
Instrument Cluster Schematic Icons ........... 8-468
Instrument Cluster: Analog Schematics ...... 8-469
Component Locator ..................................... 8-4 73
Schematic and Routing Diagrams .............. 8-425
Instrument Cluster Components .................. 8-4 73
Body Control Module Schematic
References ............................................. 8-425
Instrument Cluster Component Views ......... 8-475
Visual Identification ..................................... 8-4 79
Body Control Module Schematic Icons ....... 8-425
Instrument Cluster Connector
Body Control Module Schematics
End Views .............................................. 8-4 79
(Without Door Jamb Switches) ................ 8-426
Body Control Module Schematics
(With Door Jamb Switches) .................... 8-431
Component Locator ..................................... 8-436
Body Control Module Components ............. 8-436
Body Control Module Component Views ..... 8-439
Body Control Module Connector
End Views .............................................. 8-440
Diagnostic Information and Procedures ..... 8-442
lntermittents and Poor Connections ............ 8-442
Diagnostic Trouble Code (DTC)
Displaying ............................................... 8-442
Clearing DTCs ........................................... 8-443
Diagnostic Trouble Code (DTC}
List/Type ................................................. 8-443
OTC 12 Diagnostic System Check .............. 8-444
OTC 21/31 Courtesy Lamps Feed
Shorted to Ground .................................. 8-446
Diagnostic Information and Procedures ..... 8-480
Instrument Cluster System Check .............. 8-480
Engine Coolant Temperature Gauge
Always Cold ........................................... 8-482
Engine Coolant Temperature Gauge
Always Hot ............................................. 8-482
Engine Coolant Temperature Gauge
Inaccurate or Inoperative ........................ 8-483
Engine Oil Pressure Gauge Always
High (VB Vin G) ..................................... 8-483
Engine Oil Pressure Gauge
Always Low ............................................ 8-484
Engine Oil Pressure Gauge
Inaccurate or Inoperative ........................ 8-484
Fuel Gauge Inaccurate or Inoperative ........ 8-484
CHECK GAGES Indicator Always On ......... 8-485
CHECK GAGES Indicator Inoperative ......... 8-485
OTC 22/32 Courtesy Lamps Return
Shorted to Battery (Coupe) ..................... 8-448
Fasten Safety Belt Indicator Always On ..... 8-486
Fasten Safety Belt Indicator Inoperative ..... 8-486
OTC 22/32 Courtesy Lamps Return
Shorted to Battery (Convertible) .............. 8-450
Low Engine Coolant Indicator
Always On .............................................. 8-487
OTC 23/33 RAP Feed Shorted to
Low Engine Coolant Indicator
Ground or Battery ................................... 8-452
Inoperative .............................................. 8-488
OTC 24/34 Seatbelt Indicator
Low Engine Oil Level Indicator
Shorted to Ground or Battery .................. 8-454
Always On .............................................. 8-488
OTC 25/35 Security Indicator Status ........... 8-456 Low Engine Oil Level Indicator
DTC 41 Last Message Received Valid ....... 8-458
Inoperative .............................................. 8-489
DTC 42 Last Message Received Invalid ..... 8-459
Speedometer Inaccurate
DTC 43 Last Message Received
(J 38522 Available} ................................. 8-489
with Sumcheck Error .............................. 8-460 Speedometer and/or Odometer
DTC 44 Last Message Received
Inoperative .............................................. 8-490
with Encryption Error .............................. 8-461
Tachometer Inaccurate or Inoperative
OTC 45 Receiver Processing in
(V6 VIN K) ............................................. 8-491
20 Second Lockout ................................ 8-462
Tachometer Inaccurate or Inoperative
)
DTC 55 Begin Configuration Display ............ 8-463 (VB VIN G) ............................................. 8-491