AIRBAG SYSTEM, Diagnostic DTC:B1690/15, B1695/16

DTC Code DTC Name
B1690/15 Door Side Airbag Sensor RH Malfunction
B1695/16 Door Side Airbag Sensor LH Malfunction

DESCRIPTION

The side airbag sensor LH or RH consists of the safing sensor, diagnostic circuit, lateral deceleration sensor, etc.

If the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether the SRS should be activated.

DTC B1690/15 or B1695/16 is stored when a malfunction is detected in the side airbag sensor LH or RH circuit.

DTC Code DTC Detection Condition Trouble Area
B1690/15

Either condition is met:


  • A side airbag sensor RH malfunction.

  • A center airbag sensor malfunction.

  • Side airbag sensor assembly RH

  • Center airbag sensor assembly
B1695/16

Either condition is met:


  • A side airbag sensor LH malfunction.

  • A center airbag sensor malfunction.

  • Side airbag sensor assembly LH

  • Center airbag sensor assembly

WIRING DIAGRAM

B001F9OE09
for RH Side
*a Rear Airbag Sensor RH
*b Side Airbag Sensor RH
B001F9OE10
for LH Side
*a Rear Airbag Sensor LH
*b Side Airbag Sensor LH

CAUTION / NOTICE / HINT

Note


  • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice 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 FOR DTC


    1. Turn the ignition switch to ON.

    2. Clear the DTCs stored in memory Click here.

    3. Turn the ignition switch off.

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

    5. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1690 and B1695 are not output A
      DTC B1695 is output B
      DTC B1690 is output C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    CHECK SIDE AIRBAG SENSOR LH Click here

    C

  2. CHECK SIDE AIRBAG SENSOR RH


    1. B001FXUE15
      Text in Illustration
      *1 Side Airbag Sensor LH
      *2 Rear Airbag Sensor RH

      Turn the ignition switch off.

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

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

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

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

    6. Clear the DTCs stored in memory Click here.

    7. Turn the ignition switch off.

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

    9. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1690 and B1695 are not output A
      DTC B1695 is output B
      DTC B1690 is output C

      Tech Tips

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

    10. Turn the ignition switch off.

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

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


    C

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE SIDE AIRBAG SENSOR RH Click here

  3. CHECK SIDE AIRBAG SENSOR LH


    1. B001FXUE15
      Text in Illustration
      *1 Side Airbag Sensor RH
      *2 Rear Airbag Sensor LH

      Turn the ignition switch off.

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

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

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

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

    6. Clear the DTCs stored in memory Click here.

    7. Turn the ignition switch off.

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

    9. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1690 and B1695 are not output A
      DTC B1690 is output B
      DTC B1695 is output C

      Tech Tips

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

    10. Turn the ignition switch off.

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

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


    C

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE SIDE AIRBAG SENSOR LH Click here