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 door side airbag sensor LH or RH consists of a lateral deceleration sensor, etc.

If the airbag ECU assembly 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 door side airbag sensor LH or RH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1690/15 Door Side Airbag Sensor RH Malfunction

Either condition is met:


  • A door side airbag sensor RH malfunction.

  • An airbag ECU assembly malfunction.

  • Door side airbag sensor RH

  • Airbag ECU assembly
B1695/16 Door Side Airbag Sensor LH Malfunction

Either condition is met:


  • A door side airbag sensor LH malfunction.

  • An airbag ECU assembly malfunction.

  • Door side airbag sensor LH

  • Airbag ECU assembly

WIRING DIAGRAM

B002IWLE10
*a Airbag ECU Assembly
*b Side Airbag Sensor Assembly RH
*c Door Side Airbag Sensor RH
B002IWLE13
*a Airbag ECU Assembly
*b Side Airbag Sensor Assembly LH
*c Door Side Airbag Sensor LH

CAUTION / NOTICE / HINT

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

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

    Click here

  • After replacing the airbag ECU assembly, refer to initialization.

    Click here

PROCEDURE


  1. CHECK DTC


    1. Turn the power switch on (IG).

    2. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    3. Turn the power switch off.

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

    5. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1690/15 is output
      DTC B1695/16 is output
      DTC B1690/15 and B1695/16 are not output

      Tech Tips

      Codes other than DTC B1690/15 and B1695/16 may be output at this time, but they are not related to this check.


    DTC B1695/16 is output

    CHECK DOOR SIDE AIRBAG SENSOR LH Click here

    DTC B1690/15 and B1695/16 are not output

    USE SIMULATION METHOD TO CHECK Click here

    DTC B1690/15 is output

  2. CHECK DOOR SIDE AIRBAG SENSOR RH


    1. B002IFXC15
      *1 Door Side Airbag Sensor LH
      *2 Side Airbag Sensor Assembly RH

      Turn the power switch off.

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

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

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

    5. Turn the power 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 power switch off.

    8. Turn the power switch on (IG), and wait for at least 90 seconds.

    9. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1695/16 is output
      DTC B1690/15 is output
      DTC B1690/15 and B1695/16 are not output

      Tech Tips

      Codes other than DTC B1690/15 and B1695/16 may be output at this time, but they are not related to this check.

    10. Turn the power switch off.

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

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


    DTC B1695/16 is output

    REPLACE DOOR SIDE AIRBAG SENSOR RH Click here

    DTC B1690/15 is output

    REPLACE AIRBAG ECU ASSEMBLY Click here

    DTC B1690/15 and B1695/16 are not output

    USE SIMULATION METHOD TO CHECK Click here

  3. CHECK DOOR SIDE AIRBAG SENSOR LH


    1. B002IFXC15
      *1 Door Side Airbag Sensor RH
      *2 Side Airbag Sensor Assembly LH

      Turn the power switch off.

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

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

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

    5. Turn the power 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 power switch off.

    8. Turn the power switch on (IG), and wait for at least 90 seconds.

    9. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1690/15 is output
      DTC B1695/16 is output
      DTC B1690/15 and B1695/16 are not output

      Tech Tips

      Codes other than DTC B1690/15 and B1695/16 may be output at this time, but they are not related to this check.

    10. Turn the power switch off.

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

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


    DTC B1690/15 is output

    REPLACE DOOR SIDE AIRBAG SENSOR LH Click here

    DTC B1695/16 is output

    REPLACE AIRBAG ECU ASSEMBLY Click here

    DTC B1690/15 and B1695/16 are not output

    USE SIMULATION METHOD TO CHECK Click here