AIRBAG SYSTEM, Diagnostic DTC:B1625/22

DTC Code DTC Name
B1625/22 Side Airbag Sensor LH Circuit Malfunction

DESCRIPTION

The side collision sensor LH circuit (to determine deployment of the front seat side 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 side airbag sensor assembly LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbag should be deployed.

DTC B1625/22 is stored when a malfunction is detected in the side collision sensor LH circuit.

DTC No. DTC Detection Condition Trouble Area
B1625/22

  • Side Airbag Sensor Assembly LH malfunction

  • Airbag sensor assembly malfunction

  • Side Airbag Sensor Assembly LH

  • Airbag sensor assembly

WIRING DIAGRAM

Click here

PROCEDURE


  1. CHECK SIDE AIRBAG SENSOR ASSEMBLY LH


    1. Turn the ignition switch off.

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

      CAUTION:

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

    3. A01V1M0E08
      Text in Illustration
      *1 Side Airbag Sensor Assembly RH
      *2 Airbag Sensor Assembly

      Interchange the side airbag sensor assembly LH with the side airbag sensor assembly RH and connect the connectors to them.

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

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

    6. Clear the DTCs stored in the memory Click here.

    7. Turn the ignition switch off.

    8. Turn the ignition switch to ON (IG), and wait for at least 60 seconds.

    9. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1620/21 and B1625/22 is not output. A
      DTC B1625/22 is output. B
      DTC B1620/21 is output. C

      Tech Tips

      DTCs other than B1620/21 and B1625/22 may be output at this time, but they are not related to this check.

    10. Turn the ignition switch off.

    11. Disconnect the cable from the negative (-) auxiliary battery terminal.

      CAUTION:

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

    12. Return the side airbag sensor assembly RH and the side airbag sensor assembly LH to their original positions and connect the connectors to them.


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    C

    REPLACE SIDE AIRBAG SENSOR ASSEMBLY LH Click here