Suzuki GA413 - Immobilizer Control System

IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-1
GA413
supple
SECTION 8G
IMMOBILIZER CONTROL SYSTEM
(IF EQUIPPED)
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System
 Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” un-
der “General Description” in air bag system section in order to confirm whether you are perform-
ing service on or near the air bag system components or wiring. Please observe all WARNINGS
and “Service Precautions” under “On-Vehicle Service” in air bag system section before perform-
ing service on or around the air bag system components or wiring. Failure to follow WARNINGS
could result in unintentional activation of the system or could render the system inoperative. Ei-
ther of these two conditions may result in severe injury.
 Technical service work must be started at least 90 seconds after the ignition switch is turned to
the “LOCK” position and the negative cable is disconnected from the battery. Otherwise, the sys-
tem may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
CONTENTS
GENERAL DESCRIPTION 8G- 2. . . . . . . . . . . . . . .
DIAGNOSIS 8G- 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions in Diagnosing Troubles 8G- 6. . . . .
Diagnostic Flow Table 8G- 7. . . . . . . . . . . . . . . . .
Diagnostic Trouble Code Check
(Immobilizer Control Module) 8G- 8. . . . . . . .
Diagnostic Trouble Code Check (ECM) 8G- 9
Diagnostic Trouble Code Table 8G-11. . . . . . . . .
TABLE A DTC is not Output
from Diagnostic Output Terminal 8G-12. . . . . . .
DTC 11 Transponder Code Not Matched 8G-13.
DTC 31 Transponder Code Not
Registered 8G-13. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 12 Fault in Immobilizer Control
Module 8G-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 13 No Transponder Code Transmitted
or Coil Antenna Opened/Shorted 8G-14. . . . . . .
DTC21 ECM/Immobilizer Control Module
Code Not Matched (Immobilizer Control
Module Side) 8G-16. . . . . . . . . . . . . . . . . . . . . . . .
DTC81 (P1623) ECM/Immobilizer Control
Module Code Not Matched (ECM Side) 8G-16.
DTC84 (P1620) ECM/Immobilizer Control
Module Code Not Registered 8G-16. . . . . . . . . .
DTC 82 (P1622) Fault in ECM 8G-16. . . . . . . . . .
DTC22 Ignition Switch Circuit
Open/Short 8G-17. . . . . . . . . . . . . . . . . . . . . . . . .
DTC23 No ECM/Immobilizer Control
Module Code Transmitted from ECM or
DLC Circuit Opened/Shorted 8G-18. . . . . . . . . .
DTC83 (P1621) No ECM/Immobilizer
Control Module Code Transmitted from
Immobilizer Control Module or DLC
Circuit Opened/Shorted 8G-18. . . . . . . . . . . . . . .
Inspection of ECM, Immobilizer Control
Module and its Circuit 8G-20. . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 8G-22. . . . . . . . . . . . . . . . .
Precautions in Handling Immobilizer
Control System 8G-22. . . . . . . . . . . . . . . . . . . . . .
Immobilizer Control Module 8G-23. . . . . . . . . . . .
Coil Antenna 8G-23. . . . . . . . . . . . . . . . . . . . . . . . .
HOW TO REGISTER IGNITION KEY 8G-24. . . . . .
PROCEDURE AFTER IMMOBILIZER
CONTROL MODULE REPLACEMENT 8G-26. . . .
8G