DTC    B1625/22    Side Airbag Sensor LH Circuit Malfunction

for Preparation Click here


DESCRIPTION

The side collision sensor LH circuit (to determine deployment of the front seat airbag assembly LH and curtain shield airbag assembly LH) is composed of the airbag sensor assembly, side airbag sensor assembly LH and No. 2 side airbag sensor assembly LH.
The side airbag sensor assembly LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbag should be deployed.
DTC B1625/22 is stored when a malfunction is detected in the side airbag sensor assembly LH.

DTC No.
DTC Detection Condition
Trouble Area
B1625/22
  1. Side airbag sensor assembly LH malfunction
  2. Airbag sensor assembly malfunction
  1. Side airbag sensor assembly LH
  2. Airbag sensor assembly

WIRING DIAGRAM

Refer to DTCs B1627/82, B1628/82, B1637/82, B1638/82 and B1647/82 (Click here).

INSPECTION PROCEDURE

NOTICE:
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).

1.CHECK SIDE AIRBAG SENSOR ASSEMBLY LH


    C166120E08

  1. Turn the power switch off.

  1. Disconnect the cable from the negative (-) auxiliary battery terminal.

    CAUTION:
    Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

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

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

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

  1. Clear the DTCs stored in 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 B1620/21 and B1625/22 are not output.
    		A
    DTC B1620/21 is output.
    		B
    DTC B1625/22 is output.
    		C

    Text in Illustration 
    *1
    		Side Airbag Sensor Assembly RH
    *2
    		Airbag Sensor Assembly

    HINT:
    Codes other than DTCs B1620/21 and B1625/22 may be output at this time, but they are not related to this check.



B
REPLACE SIDE AIRBAG SENSOR ASSEMBLY LH (Click here)

C
REPLACE AIRBAG SENSOR ASSEMBLY (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)