ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System), Diagnostic DTC:B1411

DTC Code DTC Name
B1411 Immobiliser Antenna Circuit

DESCRIPTION

The main body ECU (network gateway ECU) stores this code if a malfunction is detected in the antenna coil inside the transponder key amplifier.

DTC Code DTC Detection Condition Trouble Area
B1410 Malfunction in the antenna coil inside the transponder key amplifier.

  • Transponder key amplifier

  • Main body ECU (network gateway ECU)

CAUTION / NOTICE / HINT

Note

If the main body ECU (network gateway ECU) is replaced, refer to Service Bulletin.

PROCEDURE


  1. CHECK FOR DTC


    1. Key is removed from ignition key cylinder.

    2. Key is inserted into ignition key cylinder.

    3. Turn the ignition switch to ON.

    4. Check for DTCs Click here.

      OK
      DTC B1411 is not output.

    OK

    END

    NG

  2. REPLACE TRANSPONDER KEY AMPLIFIER


    1. Temporarily replace the transponder key amplifier with a new or known good one Click here.


    NEXT

  3. CHECK FOR DTC


    1. Key is inserted into ignition key cylinder.

    2. Turn the ignition switch to ON.

    3. Check for DTCs Click here.

      OK
      DTC B1411 is not output.

    OK

    END

    NG

    REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here