AIRBAG SYSTEM, Diagnostic DTC:B1690, B16F9

DTC Code DTC Name
B1690 Side Airbag Sensor RH
B16F9 Door Side Airbag Sensor RH Mismatch

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

The side 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.

These DTCs are stored when a malfunction is detected in the side airbag sensor assembly RH.

DTC No. DTC Detection Condition Trouble Area
B1690

  • Side airbag sensor assembly RH malfunction

  • Airbag ECU assembly malfunction

  • Side airbag sensor assembly RH

  • Airbag ECU assembly
B16F9

  • Improper installation of side airbag sensor assembly RH

  • Airbag ECU assembly malfunction

WIRING DIAGRAM

Refer to DTCs B1622, B1623, B1632, B1633, B1642, B1692 and B1693 Click here.

CAUTION / NOTICE / HINT

Note

After turning the ignition 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.

PROCEDURE


  1. CHECK SIDE AIRBAG SENSOR ASSEMBLY RH


    1. A004IJWE02
      Text in Illustration
      *1 Side Airbag Sensor Assembly LH
      *2 Rear Airbag Sensor RH

      Turn the ignition 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 side airbag sensor assembly 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.

    6. Turn the ignition switch off.

    7. Turn the ignition switch to ON, and wait for at least 60 seconds.

    8. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1690 or B16F9 is output. A
      DTC B1695 or B16FA is output. B
      DTCs B1690, B1695, B16F9 and B16FA are not output. C

      Tech Tips

      Codes other than DTCs B1690, B1695, B16F9 and B16FA may be output at this time, but they are not related to this check.

    9. Turn the ignition 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 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