AIRBAG SYSTEM, Diagnostic DTC:B1135/24

DTC Code DTC Name
B1135/24 Half Connection in Airbag ECU Assembly Connector

DESCRIPTION

The airbag ECU assembly detects partial connection of connector.

DTC B1135/24 is recorded when the airbag ECU assembly detects an open in the electrical connection check mechanism of the airbag sensor connector or in the airbag sensor circuit.

DTC No. DTC Detecting Condition Trouble Area
B1135/24

  • Malfunction of electrical connection check mechanism of airbag ECU assembly connector

  • Airbag ECU assembly malfunction

  • Electrical connection check mechanism

  • Airbag ECU assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK AIR BAG ECU ASSEMBLY

    SST
    09843-18040

    1. A01KGFEE01
      Text in Illustration
      *1 Airbag ECU Assembly
      *2 DLC3
      *a DTC B1135/24

      Connect the negative (-) terminal cable to the battery, and wait at least for 2 seconds.

    2. Turn the ignition switch to ON and wait at least for 20 seconds.

    3. Clear the DTC stored in memory Click here.

    4. Turn the ignition switch to LOCK, and wait at least for 20 seconds.

    5. Turn the ignition switch to ON, and wait at least for 60 seconds.

    6. Check the DTC Click here.

      OK
      DTC B1135/24 is not output.

      Tech Tips

      Codes other than code B1135/24 may be output at this time, but they are not relevant to this check.


    NG

    CHECK AIRBAG ECU ASSEMBLY CONNECTOR Click here

    OK

    USE SIMULATION METHOD TO CHECK

  2. CHECK AIRBAG ECU ASSEMBLY CONNECTOR


    1. Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

    2. Check the connection of the airbag ECU assembly connector.


    NG

    CONNECT CONNECTOR

    OK

  3. CHECK AIR BAG ECU ASSEMBLY

    SST
    09843-18040

    1. A01KFYEE01
      Text in Illustration
      *1 Airbag ECU Assembly
      *2 DLC3
      *a DTC B1135/24

      Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

    2. Turn the ignition switch to LOCK, and wait at least for 20 seconds.

    3. Turn the ignition switch to ON, and wait at least for 60 seconds.

    4. Clear the DTC stored in memory Click here.

    5. Turn the ignition switch to LOCK, and wait at least for 20 seconds.

    6. Turn the ignition switch to ON, and wait at least for 60 seconds.

    7. Check the DTC Click here.

      OK
      DTC B1135/24 is not output.

      Tech Tips

      Codes other than code B1135/24 may be output at this time, but they are not relevant to this check.


    NG

    REPAIR OR REPLACE AIRBAG ECU ASSEMBLY CONNECTOR

    OK

    USE SIMULATION METHOD TO CHECK