10C
DTC is Not Output from Immobilizer Control Module (For Vehicle Equipped with Air Bag System)
Wiring Diagram
1. To ECM
2. Immobilizer Control Module
3. To #9-pin in DLC
Troubleshooting
Step Action YES NO
1
1) Check voltage between “G38-4” terminal of Immobilizer control module (1) coupler and body ground with ignition switch turned ON.
Is it 10 – 14 V?
Go to Step 2.
“B1/B” wire open or short to ground.
2
1) Disconnect coupler at immobilizer control module.
Is there continuity between terminal “G38-1” of Immobilizer control module coupler (1) and body ground?
Poor “G38-4” or “G38-1” connection.
Poor #9-pin connection in DLC serial data line “Y/B” open or short to ground.
If connectors and line are OK, substitute a known-good Immobilizer Control Module and recheck. See NOTE.
“B” wire open.
NOTE:
After replacing with a known-good Immobilizer Control Module, register ECM/Immobilizer Control Module code in ECM and Transponder code and ECM/Immobilizer Control Module code in Immobilizer Control Module by performing procedure described in Procedure after Immobilizer Control Module Replacement:M13A Model .