AIRBAG SYSTEM, Diagnostic DTC:B1630/23

DTC Code DTC Name
B1630/23 Rear Airbag Sensor RH Circuit Malfunction

DESCRIPTION

The side collision sensor RH circuit (to determine deployment of the front seat airbag assembly RH, curtain shield airbag assembly RH and front seat outer belt assembly RH) consists of the airbag ECU assembly, side airbag sensor assembly RH, rear airbag sensor RH and door side airbag sensor RH.

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

DTC B1630/23 is stored when a malfunction is detected in the rear airbag sensor RH.

DTC No. Detection Item DTC Detection Condition Trouble Area Test Mode / Check Mode
B1630/23 Rear Airbag Sensor RH Circuit Malfunction

  • Rear airbag sensor RH malfunction

  • Airbag ECU assembly malfunction

  • Rear airbag sensor RH

  • Airbag ECU assembly

 Does not apply to test/check mode

WIRING DIAGRAM

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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.

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PROCEDURE


  1. CHECK REAR AIRBAG SENSOR RH


    1. B0065R9C01
      *1 Rear Airbag Sensor LH
      *2 Airbag ECU Assembly

      Turn the engine 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 rear airbag sensor RH with LH and connect the connectors.

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

    5. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    6. Turn the engine switch off.

    7. Turn the engine 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 B1630/23 and B1635/24 may be output at this time, but they are not related to this check.

      Result
      Result Proceed to
      DTC B1630/23 is output. A
      DTC B1635/24 is output. B
      DTCs B1630/23 and B1635/24 are not output. C

    9. Turn the engine switch off.

    10. 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.

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


    A

    REPLACE AIRBAG ECU ASSEMBLY Click here

    B

    REPLACE REAR AIRBAG SENSOR RH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here