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 and curtain shield airbag assembly RH) is composed of the airbag ECU assembly, side airbag sensor assembly RH and side No. 2 airbag sensor assembly RH.

The side No. 2 airbag sensor assembly RH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbag should be deployed.

DTC B1630/23 is stored when a malfunction is detected in the side No. 2 airbag sensor assembly RH.

DTC No. DTC Detection Condition Trouble Area
B1630/23

  • Side No. 2 airbag sensor assembly RH malfunction

  • Airbag ECU assembly malfunction

  • Side No. 2 airbag sensor assembly RH

  • Airbag ECU assembly

WIRING DIAGRAM

Refer to DTCs B1622/81, B1623/81, B1632/81, B1633/81 and B1642/81 Click here.

INSPECTION PROCEDURE

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 Click here.

PROCEDURE


  1. CHECK SIDE NO. 2 AIRBAG SENSOR ASSEMBLY RH


    1. A0042U3E01
      Text in Illustration
      *1 Side No. 2 Airbag Sensor Assembly LH
      *2 Side Airbag Sensor Assembly RH

      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 terminal to disable the SRS system.

    3. Interchange the side No. 2 airbag sensor assembly RH with LH and connect the connectors.

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

    5. Clear the DTCs stored in memory Click here.

    6. Turn the power switch off.

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

    8. Check for DTCs Click here.

      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

      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.

    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 side No. 2 airbag sensor assembly RH and LH to their original positions and connect the connectors.


    B

    REPLACE SIDE NO. 2 AIRBAG SENSOR ASSEMBLY RH Click here

    C

    USE SIMULATION METHOD TO CHECK Click here

    A

    REPLACE AIRBAG ECU ASSEMBLY Click here