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AIRBAG SYSTEM, Diagnostic DTC:B167A, B167E

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DTC Code DTC Name
B167A Front Door Pressure Sensor LH
B167E Front Door Pressure Sensor Threshold Malfunction (LH)
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DESCRIPTION

The side collision sensor LH circuit 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 Warning Indicate Test Mode / Check Mode
B167A Front Door Pressure Sensor LH

Either condition is met:


  • A door side airbag sensor LH malfunction

  • An airbag ECU assembly malfunction

  • Door side airbag sensor LH

  • Airbag ECU assembly

 Comes on Not applicable
B167E Front Door Pressure Sensor Threshold Malfunction (LH)

Either condition is met:


  • A door side airbag sensor LH malfunction

  • An airbag ECU assembly malfunction

  • Door side airbag sensor LH

  • Airbag ECU assembly

 Comes on Not applicable
Table 1. *a Rear Airbag Sensor LH *b Door Side Airbag Sensor LH *c Side Airbag Sensor Assembly LH *d Airbag ECU Assembly
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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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  • When disconnecting the cable from the negative (-) auxiliary battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

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PROCEDURE


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    CHECK DOOR SIDE AIRBAG SENSOR LH


    1. B004XQ8C14
      *1 Door Side Airbag Sensor RH
      *2 Side Airbag Sensor Assembly LH

      Turn the power switch off.

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

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

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

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

    6. Clear the DTCs stored in memory.

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      1. Body Electrical > SRS Airbag > Clear DTCs


    7. Turn the power switch off.

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

    9. Check for DTCs.

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      1. Body Electrical > SRS Airbag > Trouble Codes


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

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

    10. Turn the power switch off.

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

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