AIRBAG SYSTEM, Diagnostic DTC:B1615

DTC Code DTC Name
B1615 Front Airbag Sensor (LH)

DESCRIPTION

The front airbag sensor LH consists of the diagnostic circuit and frontal deceleration sensor, etc.

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

DTC B1615 is stored when a malfunction is detected in the front airbag sensor LH circuit.

DTC Code DTC Detection Condition Trouble Area
B1615

Either condition is met:


  • A front airbag sensor LH malfunction.

  • A center airbag sensor malfunction.

  • Front airbag sensor LH

  • Center airbag sensor

WIRING DIAGRAM

B001CQ0E04
*a Front Airbag Sensor LH
*b Center Airbag Sensor

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.

  • After replacing the center airbag sensor, refer to initialization Click here.

PROCEDURE


  1. CHECK FRONT AIRBAG SENSOR LH

    B001GX5C01
    *A w/o Side Airbag
    *B w/ Side Airbag
    *1 Front Airbag Sensor LH
    *2 Center Airbag Sensor

    1. Turn the ignition switch off.

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

    3. Interchange the front 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 B1615 is output A
      DTC B1610 is output B
      DTC B1610 and B1615 are not output C

      Tech Tips

      Codes other than DTC B1610 and B1615 may be output at this time, but they are not related to this check.


    C

    USE SIMULATION METHOD TO CHECK Click here

    A

    REPLACE CENTER AIRBAG SENSOR Click here

    B

    REPLACE FRONT AIRBAG SENSOR LH Click here