ENGINE IMMOBILISER SYSTEM (w/o Smart Entry and Start System), Diagnostic DTC:B279C

DTC Code DTC Name
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.

DTC No. DTC Detection Condition Trouble Area
B279C An ECM that is incompatible with engine immobiliser system is installed. ECM

INSPECTION PROCEDURE

Note

If the ECM is replaced, register the ECU communication ID (Refer to Service Bulletin).

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Recheck for DTCs Click here.

      OK
      DTC B279C is not output.

    NG

    REPLACE ECM Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here