Dtc B1675/18 Rear Floor Airbag Sensor Malfunction

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Supplemental Restraint Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK REAR FLOOR AIRBAG SENSOR

DTC B1675/18 Rear Floor Airbag Sensor Malfunction


DESCRIPTION

The rear floor airbag sensor consists of the diagnostic circuit, the rear floor deceleration sensor, etc.
If the center airbag sensor receives signals from the rear floor deceleration sensor, it determines whether the SRS should be activated.
DTC B1675/18 is stored when a malfunction is detected in the rear floor airbag sensor circuit.

DTC Code
DTC Detection Condition
Trouble Area
B1675/18
When one of the following conditions is met:
  1. A rear floor airbag sensor malfunction.
  2. A center airbag sensor malfunction.
  1. Rear floor airbag sensor
  2. Center airbag sensor assembly

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Supplemental Restraint Systems.Airbag System. Dtc B1675/18 Rear Floor Airbag Sensor Malfunction


INSPECTION PROCEDURE

NOTICE:
  1. 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).
  2. When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Click here ).
  3. After replacing the center airbag sensor assembly, refer to initialization (Click here).
1.CHECK REAR FLOOR AIRBAG SENSOR


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Supplemental Restraint Systems.Airbag System. Dtc B1675/18 Rear Floor Airbag Sensor Malfunction

  1. Turn the ignition switch off.

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

  1. Temporarily replace the rear floor airbag sensor with a new one.

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

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

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

  1. Turn the ignition switch off.

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

  1. Check for DTCs (Click here).

    OK:
    DTC B1675 is not output.
    HINT:
    Codes other than DTC B1675 may be output at this time, but they are not related to this check.


A
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (Click here)

B
REPLACE REAR FLOOR AIRBAG SENSOR (Click here)
C

USE SIMULATION METHOD TO CHECK (Click here)