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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 outputs this DTC.





INSPECTION PROCEDURE

HINT
If the ECM is replaced, register the ECU communication ID.

PROCEDURE

1. CLEAR DTC

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

NEXT -- Continue to next step.

2. CHECK FOR DTC

(a) Check for DTC 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