ENGINE IMMOBILISER SYSTEM DIAGNOSTIC TROUBLE CODE CHART


  1. CERTIFICATION ECU DTC CHART

    Tech Tips

    If a trouble code is displayed during the DTC check, inspect the trouble areas for that code in the table below. For details of the code, refer to the "See page" below.

    Certification ECU:
    DTC Code Detection Item Trouble Area See page
    B2784 Antenna Coil Open / Short

    - Certification ECU

    - Power switch

    Click here

    B278A Short to GND in Immobiliser System Power Source Circuit

    - Harness or connector

    - Power switch

    - Certification ECU

    Click here

    B2790 ID BOX EEPROM Malfunction ID code box

    Click here

  2. HYBRID VEHICLE CONTROL ECU DTC CHART

    Tech Tips

    The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the hybrid control system.

    Hybrid vehicle control ECU:
    DTC Code Detection Item Trouble Area See page
    B2799-790 Engine Immobiliser System Malfunction

    - Harness or connector

    - Hybrid vehicle control ECU

    - ID code box

    Click here

    B279A-186 Engine Immobiliser System Communication Line High Fixation

    - Harness or connector

    - ID code box

    - Hybrid vehicle control ECU

    Click here

    B279C-185 Engine Immobiliser System Presence Detection Hybrid vehicle control ECU

    Click here