B279C

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: B279C: Theft Deterrent System Presence Detection
B279C - Theft Deterrent System Presence Detection

DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.





INSPECTION PROCEDURE

NOTICE:
If the ECM is replaced, register the ECU communication ID Programming and Relearning.

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC B279C is not output.

NG -- REPLACE ECM Removal

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting