ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) DIAGNOSTIC TROUBLE CODE CHART


  1. CERTIFICATION ECU DIAGNOSTIC TROUBLE CODE CHART

    Tech Tips

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

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

    1. Engine switch

    2. Certification ECU

    Click here

    B278A Short to GND in Immobiliser System Power Source Circuit

    1. Wire harness or connector

    2. Engine switch

    3. Certification ECU

    Click here

    B2790 ID BOX EEPROM Malfunction

    1. ID code box

    2. Certification ECU

    Click here

  2. ECM DIAGNOSTIC TROUBLE CODE CHART

    Tech Tips

    The DTCs for the engine immobiliser system are specified above. If the other codes are output, check the DTC chart for the ECD system (for 1ND-TV) or SFI system (for 1KR-FE and 1NR-FE).

    ECM
    DTC Code Detection Item Trouble Area See page
    B2799 Engine Immobiliser System Malfunction

    1. Wire harness or connector

    2. ECM

    3. ID code box

    Click here

    B279A Theft Deterrent System Communication Line High Fixation

    1. Wire harness or connector

    2. ECM

    3. ID code box

    Click here

    B279C Theft Deterrent System Presence Detection ECM

    Click here