AIRBAG SYSTEM, Diagnostic DTC:B1635/24

DTC Code DTC Name
B1635/24 Rear Airbag Sensor LH Circuit Malfunction

DESCRIPTION

The side collision sensor LH circuit (to determine deployment of the front seat airbag assembly LH, rear seat airbag assembly LH and curtain shield airbag assembly LH) is composed of the airbag sensor assembly, side airbag sensor assembly LH and rear airbag sensor LH.

The rear airbag sensor LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbag should be deployed.

DTC B1635/24 is stored when a malfunction is detected in the rear airbag sensor LH.

DTC No. DTC Detection Condition Trouble Area
B1635/24

  • Rear airbag sensor LH malfunction

  • Airbag sensor assembly malfunction

  • Rear airbag sensor LH

  • Airbag sensor assembly

WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

Note

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work Click here.

PROCEDURE


  1. CHECK REAR AIRBAG SENSOR LH


    1. A01W0BJE01
      Text in Illustration
      *1 Rear Airbag Sensor RH
      *2 Side Airbag Sensor Assembly LH

      Turn the engine switch off.

    2. Disconnect the cable from the negative (-) battery terminal.

      CAUTION:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    3. Interchange the rear airbag sensor LH with RH and connect the connectors.

    4. Connect the cable to the negative (-) battery terminal.

    5. Clear the DTCs stored in memory Click here.

    6. Turn the engine switch off.

    7. Turn the engine switch on (IG), and wait for at least 60 seconds.

    8. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1635/24 is output. A
      DTC B1630/23 is output. B
      DTCs B1630/23 and B1635/24 are not output. C

      Tech Tips

      Codes other than DTCs B1630/23 and B1635/24 may be output at this time, but they are not related to this check.

    9. Turn the engine switch off.

    10. Disconnect the cable from the negative (-) battery terminal.

      CAUTION:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    11. Return the rear airbag sensor LH and RH to their original positions and connect the connectors.


    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    B

    REPLACE REAR AIRBAG SENSOR LH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here