AIRBAG SYSTEM, Diagnostic DTC:B162A/2A

DTC Code DTC Name
B162A/2A Side Airbag Sensor Assembly No.2 (RH)

DESCRIPTION

The side collision sensor RH circuit consists of the airbag ECU assembly, door side airbag sensor RH, side airbag sensor assembly RH and rear airbag sensor RH.

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

DTC B162A/2A is stored when a malfunction is detected in the side airbag sensor assembly RH.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B162A/2A Side Airbag Sensor Assembly No.2 (RH)

Either condition is met:


  • A side airbag sensor assembly RH malfunction

  • An airbag ECU assembly malfunction

  • Side airbag sensor assembly RH

  • Airbag ECU assembly

 Comes on Not applicable

WIRING DIAGRAM

B000WALE04
*a BFR+
*b BFR-
*c Side Airbag Sensor Assembly RH
*d Airbag ECU Assembly

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

  • When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

    Click here

PROCEDURE


  1. CHECK SIDE AIRBAG SENSOR ASSEMBLY RH


    1. B000V4UC31
      *1 Side Airbag Sensor Assembly LH
      *2 Airbag ECU Assembly

      Turn the engine switch off.

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

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

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

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

    6. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    7. Turn the engine switch off.

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

    9. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Result Proceed to
      DTC B162A/2A is output. A
      DTC B163A/3A is output. B
      DTCs B162A/2A and B163A/3A are not output. C

      Tech Tips

      Codes other than DTCs B162A/2A and B163A/3A may be output at this time, but they are not related to this check.

    10. Turn the engine switch off.

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

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


    A

    REPLACE AIRBAG ECU ASSEMBLY Click here

    B

    REPLACE SIDE AIRBAG SENSOR ASSEMBLY RH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here