Home

Toyota Workshop

GSIC - Global Service Information Center

DTC    B1615/14    Front Airbag Sensor LH Malfunction

for Preparation Click here


DESCRIPTION

The front airbag sensor LH circuit consists of the center airbag sensor assembly and front airbag sensor LH.
The front airbag sensor LH detects impacts to the vehicle and sends signals to the center airbag sensor assembly to determine if the airbag should be deployed.
DTC B1615/14 is stored when a malfunction is detected in the front airbag sensor LH.

DTC No.
DTC Detection Condition
Trouble Area
B1615/14
  1. Front airbag sensor LH malfunction
  2. Center airbag sensor assembly malfunction
  1. Front airbag sensor LH
  2. Center airbag sensor assembly

WIRING DIAGRAM


C145438E28


INSPECTION PROCEDURE

1.CHECK FRONT AIRBAG SENSOR LH


    C190643E03
  1. Turn the power switch off.

  1. 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.

  1. Interchange the front airbag sensor RH with LH and connect the connectors.

  1. Connect the cable to the negative (-) battery terminal.

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

  1. Clear the DTCs stored in the memory (Click here).

  1. Turn the power switch off.

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

  1. Check for DTCs (Click here).

    Result:
    Result
    Proceed to
    DTCs B1610/13 and B1615/14 are not output.
    A
    DTC B1615/14 is output.
    B
    DTC B1610/13 is output.
    C

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

    HINT:
    Codes other than DTCs B1610/13 and B1615/14 may be output at this time, but they are not related to this check.



B
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (Click here)

C
REPLACE FRONT AIRBAG SENSOR LH (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)