Engine Immobiliser System (w/ Smart Key System)
THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/ 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/ Smart Key System).
PROCEDURE
1. CHECK DTC OUTPUT
(a) Clear the DTCs Engine Immobiliser System (w/ Smart Key System).
(b) Recheck for DTCs.
OK:
DTC B279C is not reoutput.
NG -- REPLACE ECM
OK -- USE SIMULATION METHOD TO CHECK