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Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each code, follow the link to the "DTC No" in the DTC chart.

  1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 

    TRANSPONDER KEY ECU 

    TRANSPONDER KEY ECU DTC CHART

    DTC Code Detection Item Trouble Area
    B2780  Push Switch / Key Unlock Warning Switch Malfunction
    1. Unlock warning switch assembly
    2. Wire harness
    3. Transponder key ECU assembly
    B2784  Antenna Coil Open / Short
    1. Transponder key amplifier
    2. Wire harness
    3. Transponder key ECU assembly
    B2793  Transponder Chip Malfunction Key
    B2794  Unmatched Encryption Code Key
    B2795  Unmatched Key Code Key
    B2796  No Communication in Immobiliser System
    1. Key
    2. Transponder key amplifier
    3. Wire harness
    4. Transponder key ECU assembly
    B2797  Communication Malfunction No. 1
    1. Key
    2. Transponder key amplifier
    3. Wire harness
    4. Transponder key ECU assembly
    B2798  Communication Malfunction No. 2 Key
  2. ECM DIAGNOSTIC TROUBLE CODE CHART 
    NOTE: The DTC for the immobiliser system is specified above. If other codes are output, check the DTC chart for the SFI system.

    ECM 

    ECM DETECTION CONDITION CHART

    DTC Code Detection Item Trouble Area
    B2799  Engine Immobiliser System Malfunction
    1. Wire harness
    2. Transponder key ECU assembly
    3. ECM
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