AIRBAG SYSTEM, Diagnostic DTC:B167A/5A, B167E/5A

DTC Code DTC Name
B167A/5A Front Door Pressure Sensor LH
B167E/5A Front Door Pressure Sensor Threshold Malfunction (LH)

DESCRIPTION

The side collision sensor LH circuit (bus 1) consists of the airbag ECU assembly, door side airbag sensor LH, side airbag sensor assembly LH and rear airbag sensor LH.

The door side airbag sensor LH, side airbag sensor assembly LH and rear airbag sensor LH detect impacts to the vehicle and send signals to the airbag ECU assembly to determine if the airbags and pretensioners should be deployed.

These DTCs are stored when a malfunction is detected in the door side airbag sensor LH.

DTC No. Detection Item DTC Detection Condition Trouble Area Test Mode / Check Mode
B167A/5A Front Door Pressure Sensor LH

  • Door side airbag sensor LH malfunction

  • Airbag ECU assembly malfunction

  • Door side airbag sensor LH

  • Airbag ECU assembly

 Does not apply to test/check mode
B167E/5A Front Door Pressure Sensor Threshold Malfunction (LH)

  • Door side airbag sensor LH malfunction

  • Airbag ECU assembly malfunction

  • Door side airbag sensor LH

  • Airbag ECU assembly

 Does not apply to test/check mode

WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note

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

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PROCEDURE


  1. CHECK DOOR SIDE AIRBAG SENSOR LH


    1. B004P55C02
      *1 Door Side Airbag Sensor RH
      *2 Rear Airbag Sensor LH

      Turn the power 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 terminals to disable the SRS system.

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

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

    5. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    6. Turn the power switch off.

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

    8. Check for DTCs.

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      Body Electrical > SRS Airbag > Trouble Codes

      Tech Tips

      Codes other than DTCs B166C/4A, B166F/4A, B167A/5A and B167E/5A may be output at this time, but they are not related to this check.

      Result
      Result Proceed to
      DTC B167A/5A or B167E/5A is output. A
      DTC B166C/4A or B166F/4A is output. B
      DTCs B166C/4A, B166F/4A, B167A/5A and B167E/5A are not output. C

    9. Turn the power switch off.

    10. 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.

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


    A

    REPLACE AIRBAG ECU ASSEMBLY Click here

    B

    REPLACE DOOR SIDE AIRBAG SENSOR LH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here