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Home >> Toyota >> 2018 >> Avalon XLE >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Immobiliser System - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Immobilizer System >> DTC B279C: Theft Deterrent System Presence Detection [10/2014 - ] >> Procedure

DTC B279C: Theft Deterrent System Presence Detection [10/2014 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).

      HINT: 

      Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.

      OK

      DTC B279C is not output.

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result: 

    NG 

    See step  3

  3. REPLACE CURRENT ECM WITH PROPER ECM 
    1. Replace the current ECM with the proper ECM (Refer to REMOVAL [10/2014 - ] ).

    Result: 

    NEXT 

    END