Engine Immobiliser System (w/o Smart Key System)

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/o Smart Key System): B279C: Theft Deterrent System Presence Detection

DTC 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
NOTE: If the ECM is replaced, register the ECU communication ID Engine Immobiliser System (W/O Smart Key System).

PROCEDURE

1. CHECK DTC OUTPUT
(a) Clear the DTCs Engine Immobiliser System (w/o Smart Key System).
(b) Recheck for DTCs.
OK:
DTC B279C is not reoutput.
Result:






B -- REPLACE ECM
A -- REPLACE ECM
C -- USE SIMULATION METHOD TO CHECK