Dtc B1620/21 Driver Side - Side Airbag Sensor Malfunction

Restraints. Camry. Acv40 Gsv40
Supplemental Restraint System. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

CHECK SIDE AIRBAG SENSOR (DRIVER SIDE)

CHECK CENTER AIRBAG SENSOR ASSEMBLY

DTC B1620/21 Driver Side - Side Airbag Sensor Malfunction


DESCRIPTION

The side airbag sensor (driver side) consists of the diagnostic circuit, the lateral deceleration sensor, etc.
If the center airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether the SRS should be activated.
DTC B1620/21 is recorded when a malfunction is detected in the driver side - side airbag sensor circuit.

DTC No.
DTC Detection Condition
Trouble Area
B1620/21
  1. Side airbag sensor (driver side) malfunction
  2. Center airbag sensor assembly malfunction
  1. Side airbag sensor (Driver side)
  2. Center airbag sensor assembly

WIRING DIAGRAM


Camry. Acv40 Gsv40.Supplemental Restraint System.Airbag System. Dtc B1620/21 Driver Side - Side Airbag Sensor Malfunction


INSPECTION PROCEDURE

1.CHECK DTC


    Camry. Acv40 Gsv40.Supplemental Restraint System.Airbag System. Dtc B1620/21 Driver Side - Side Airbag Sensor Malfunction

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Clear the DTCs stored in the memory (CAMRY_ACV40 RM000000XFE0BNX.html).

  1. Turn the ignition switch to the LOCK position.

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Check the DTCs (CAMRY_ACV40 RM000000XFE0BNX.html).

    OK:
    DTC B1620/21 is not output.
    HINT:
    Codes other than DTC B1620/21 may be output at this time, but they are not related to this check.


OK
USE SIMULATION METHOD TO CHECK (CAMRY_ACV40 RM000000XFD0BDX.html)
NG


2.CHECK SIDE AIRBAG SENSOR (DRIVER SIDE)


    Camry. Acv40 Gsv40.Supplemental Restraint System.Airbag System. Dtc B1620/21 Driver Side - Side Airbag Sensor Malfunction

  1. Turn the ignition switch to the LOCK position.

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

  1. Interchange the side airbag sensor (passenger side) with side airbag sensor (driver side) and connect the connectors to them.

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

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Clear the DTCs stored in the memory (CAMRY_ACV40 RM000000XFE0BNX.html).

  1. Turn the ignition switch to the LOCK position.

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Check the DTCs (CAMRY_ACV40 RM000000XFE0BNX.html).

    Result:
    Result
    		Proceed to
    DTC B1620/21 is output.
    		A
    DTC B1625/22 is output.
    		B
    DTC B1620/21 and B1625/22 are not output.
    		C
    HINT:
    Codes other than DTC B1620/21 and B1625/22 may be output at this time, but they are not related to this check.


A
Go to step 3

B
REPLACE SIDE AIRBAG SENSOR (DRIVER SIDE) (CAMRY_ACV40 RM000000UWN06LX.html)
C

USE SIMULATION METHOD TO CHECK (CAMRY_ACV40 RM000000XFD0BDX.html)

3.CHECK CENTER AIRBAG SENSOR ASSEMBLY


    Camry. Acv40 Gsv40.Supplemental Restraint System.Airbag System. Dtc B1620/21 Driver Side - Side Airbag Sensor Malfunction

  1. Turn the ignition switch to the LOCK position.

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

  1. Return the side airbag sensor (passenger side) and side airbag sensor (driver side) to their original positions and connect the connectors to them.

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

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Clear the DTCs stored in the memory (CAMRY_ACV40 RM000000XFE0BNX.html).

  1. Turn the ignition switch to the LOCK position.

  1. Turn the ignition switch to the ON position, and wait for at least 60 seconds.

  1. Check the DTCs (CAMRY_ACV40 RM000000XFE0BNX.html).

    OK:
    DTC B1620/21 is not output.
    HINT:
    Codes other than DTC B1620/21 may be output at this time, but they are not related to this check.


NG
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (CAMRY_ACV40 RM000000UWV065X.html)
OK

USE SIMULATION METHOD TO CHECK (CAMRY_ACV40 RM000000XFD0BDX.html)