B279C

THEFT DETERRENT / KEYLESS ENTRY: 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

NOTICE:
If the ECM is replaced, register the ECU communication ID Engine Immobilizer System.

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTCs Engine Immobilizer System.

(b) Recheck for DTCs.

OK:

DTC B279C output does not recur.

NG -- REPLACE ECM Removal

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