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ENGINE IMMOBILISER SYSTEM, Diagnostic DTC:B279C

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DTC Code DTC Name
B279C Theft Deterrent System Presence Detection
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DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM outputs this DTC.

DTC Code DTC Detection Condition Trouble Area
B279C When ECM that is incompatible with engine immobiliser system is installed. ECM
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INSPECTION PROCEDURE

Note:

If the ECM is replaced, register the ECU communication ID.

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PROCEDURE


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    CHECK DTC OUTPUT


    1. Clear the DTCs (Click here).

    2. Recheck for DTCs.

      OK
      B279C output does not recur.
      Result
      Result Proceed to
      OK A
      NG (for 2GR-FE) B
      NG (for 2AZ-FE) C

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    USE SIMULATION METHOD TO CHECKClick here

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    REPLACE ECMClick here

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    REPLACE ECMClick here