Suzuki 2006 SX4 Service Manual page 1390

10-ii Table of Contents
Precaution in Replacing ECM ...........................10C-1
Precaution in Replacing Ignition Key ................10C-1
Precautions in Handling Immobilizer Control
System ............................................................10C-1
General Description ...........................................10C-2
Immobilizer Control System Introduction ..........10C-2
On-Board Diagnostic System Description
(Self-diagnosis Function) ................................10C-2
Schematic and Routing Diagram......................10C-3
Immobilizer Control System Wiring Circuit
Diagram ..........................................................10C-3
Component Location .........................................10C-4
Immobilizer Control System Components
Location ..........................................................10C-4
Diagnostic Information and Procedures..........10C-4
Immobilizer Control System Check ...................10C-4
DTC Check........................................................10C-5
DTC Clearance .................................................10C-5
DTC Table.........................................................10C-6
Scan Tool Data .................................................10C-7
Immobilizer Indicator Light Does Not Come
ON with Ignition Switch ON and Engine Stop ..10C-8
Immobilizer Indicator Light Remains ON after
Engine Start ....................................................10C-9
DTC P1614: Transponder Response Error.......10C-9
DTC P1615: Steering Lock Unit
Communication Error ....................................10C-10
DTC P1616: Unregistered Keyless Start
Control Module..............................................10C-11
DTC P1618: Keyless Start Control Module
CAN Communication Error............................10C-11
DTC P1621: Immobilizer Communication
Line Error ......................................................10C-12
DTC P1622: EEPROM Reading / Writing
Error ..............................................................10C-13
DTC P1623: Unregistered Transponder .........10C-13
DTC P1625: Immobilizer Antenna Error..........10C-13
DTC P1636: Immobilizer Information
Registration Failure .......................................10C-14
DTC P1638: Immobilizer Information
Mismatched...................................................10C-15
Inspection of ICM and Its Circuit .....................10C-16
Repair Instructions ..........................................10C-18
ICM Removal and Installation .........................10C-18
Registration of the Ignition Key .......................10C-18
Procedure after ECM Replacement ................10C-18
Special Tools and Equipment .........................10C-19
Special Tool ....................................................10C-19
Keyless Start System .............................10E-1
General Description ........................................... 10E-1
Keyless Start System Description .....................10E-1
Parts and Functions .......................................... 10E-2
Keyless Engine Start Function .......................... 10E-3
Door Lock Function of Keyless Start System.... 10E-4
Operation Area of Remote Controller................ 10E-4
Alarm Function ..................................................10E-6
CAN Communication System Description.........10E-6
Schematic and Routing Diagram ......................10E-7
Keyless Start System Electric Wiring Circuit
Diagram...........................................................10E-7
Diagnostic Information and Procedures ..........10E-7
Precautions in Diagnosing Troubles .................10E-7
Self-Diagnosis Function ....................................10E-8
Keyless Start System Diagnosis Introduction ...10E-8
Keyless Start System Check.............................10E-8
Customer Questionnaire (Example) ..................10E-9
Key Indicator Light Check ...............................10E-10
DTC Check......................................................10E-10
DTC Table.......................................................10E-11
DTC Clearance ...............................................10E-12
Keyless Start System Symptom Diagnosis .....10E-12
Keyless Start System Operation Inspection ....10E-13
Door Lock Operation (Keyless Start System) .10E-14
Inspection of Keyless Start Control Module
and Its Circuits ..............................................10E-14
No DTC Detection After Performing DTC
Check ............................................................10E-19
Key Indicator Light Circuit Check (Key
Indicator Light Doesn't Light when Ignition
Knob Switch is Pushed) ................................10E-21
Keyless Start Control Module Power and
Ground Circuit Check....................................10E-22
DTC No. 11: Communication Error with
Steering Lock Unit.........................................10E-23
DTC No. 13 / No. 14: Release Signal Error
from Steering Lock Unit / Steering Lock Unit
Malfunction....................................................10E-25
DTC No. 21 / No. 22: Internal Error of Keyless
Start Control Module (EEPROM Reading
Error) / (EEPROM Writing Error)...................10E-25
DTC No. 31: Lost Communication with BCM ..10E-25
DTC No. 33: Control Module Communication
Bus Off ..........................................................10E-25
DTC No. 51 / No. 52 / No. 53: Driver Side /
Passenger Side / Rear End Door Request
Switch Failure................................................10E-26
Repair Instructions ..........................................10E-27
Antennas and Request Switches Removal
and Installation ..............................................10E-27
Front Door (Driver and Passenger Side), Rear
End Door Request Switch Inspection............10E-28
Steering Lock Unit Removal and Installation ..10E-28
Steering Lock Unit Inspection .........................10E-28
Front Door Lock Switch Inspection .................10E-28
Keyless Start Control Module Removal and
Installation .....................................................10E-29
Remote Controller Inspection..........................10E-29
Replacement of Remote Controller Battery ....10E-29
Registration Procedure for Remote Controller
ID Code .........................................................10E-30
Keyless Start Registration ...............................10E-31