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, refer to Service Bulletin.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Recheck for DTCs Click here.

      Result
      Result Proceed to
      DTC B279C is not output A
      DTC B279C is output (for 2AR-FE) B
      DTC B279C is output (for 1AZ-FE) C

    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here

    A

    USE SIMULATION METHOD TO CHECK Click here