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Diagnostic Trouble Code Chart

  1. CERTIFICATION ECU DTC CHART 

    HINT:

    If a trouble code is displayed during the DTC check, check the circuit listed for that code in the table below. Then proceed to the appropriate page.

    Certification ECU: 

    CERTIFICATION ECU

    DTC Code Detection Item Trouble Area
    B2784  Antenna Coil Open / Short
    • Certification ECU
    • Engine switch
    B278A  Short to GND in Immobiliser
    System Power Source Circuit
    • Harness and connector
    • Engine switch
    • Certification ECU
    B2790  ID BOX EEPROM Malfunction ID code box
  2. ECM DTC CHART 

    HINT:

    The DTCs for the engine immobilizer system are specified above. If other codes are output, check the DTC chart for the SFI system.

    ECM: 

    ECM DTC

    DTC Code Detection Item Trouble Area
    B2799  Engine Immobiliser System Malfunction
    • Harness and connector
    • ECM
    • ID code box
    B279A  Theft Deterrent System Communication Line High Fixation
    • Harness and connector
    • ID code box
    • ECM
    B279C  Theft Deterrent System Presence Detection ECM
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