AIRBAG SYSTEM, Diagnostic DTC:B163A

DTC Code DTC Name
B163A Side Airbag Sensor Assembly No.2 (LH)

DESCRIPTION

The side collision sensor LH circuit (bus 2) consists of the airbag sensor assembly and side No. 1 airbag sensor LH.

The side No. 1 airbag sensor LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbags and pretensioners should be deployed.

DTC B163A is stored when a malfunction is detected in the side No. 1 airbag sensor LH.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B163A Side Airbag Sensor Assembly No.2 (LH)

  • Side No. 1 airbag sensor LH malfunction

  • Airbag sensor assembly malfunction

  • Side No. 1 airbag sensor LH

  • Airbag sensor assembly

 Comes on Does not apply to test/check mode

WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note

After turning the ignition 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.

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PROCEDURE


  1. CHECK SIDE NO. 1 AIRBAG SENSOR LH


    1. B0071UIC01
      *1 Side No. 1 Airbag Sensor RH
      *2 Airbag Sensor Assembly

      Turn the ignition 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 side No. 1 airbag sensor LH with RH and connect the connectors.

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

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

    6. Clear the DTCs stored in memory.


      Body Electrical > SRS Airbag > Clear DTCs

    7. Turn the ignition switch off.

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

    9. Check for DTCs.


      Body Electrical > SRS Airbag > Trouble Codes

      Tech Tips

      Codes other than DTCs B162A and B163A may be output at this time, but they are not related to this check.

      Result
      Result Proceed to
      DTC B163A is output. A
      DTC B162A is output. B
      DTCs B162A and B163A are not output. C

    10. Turn the ignition switch off.

    11. 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.

    12. Return the side No. 1 airbag sensor LH and RH to their original positions and connect the connectors.


    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    B

    REPLACE SIDE NO. 1 AIRBAG SENSOR LH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here