AIRBAG SYSTEM, Diagnostic DTC:B1615/14

DTC Code DTC Name
B1615/14 Front Airbag Sensor LH Circuit Malfunction

SYSTEM DESCRIPTION

The front airbag sensor LH consists of a diagnostic circuit and frontal deceleration sensor, etc. If the center airbag sensor assembly receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated.

DTC B1615/14 is stored when a malfunction is detected in the front airbag sensor LH circuit.

DTC Code DTC Detection Condition Trouble Area
B1615/14

One of the following conditions is met:


  • A front airbag sensor LH malfunction.

  • A center airbag sensor assembly malfunction.

  • Front airbag sensor LH

  • Center airbag sensor assembly

WIRING DIAGRAM

A00OLR9E02

INSPECTION PROCEDURE

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 FRONT AIRBAG SENSOR LH


    1. Turn the ignition switch off.

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

    3. A00OMMVE01
      Text in Illustration
      *1 Front Airbag Sensor RH
      *2 Center Airbag Sensor Assembly

      Interchange the front airbag sensor LH with RH 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 the 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 B1610/13 and B1615/14 are not output A
      DTC B1610/13 is output B
      DTC B1615/14 is output C

      Tech Tips

      Codes other than DTC B1610/13 and B1615/14 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 front airbag sensor RH and LH to their original positions and connect the connectors to them.


    B

    REPLACE FRONT AIRBAG SENSOR LH Click here

    C

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    A

    USE SIMULATION METHOD TO CHECK Click here