B1675/18

DTC Code	DTC Name
B1675/18	Rear Floor Airbag Sensor Malfunction

DESCRIPTION

for LHD:

The driver side - side collision sensor circuit (to determine deployment of the front seat side airbag assembly LH and curtain shield airbag assembly LH) is composed of the center airbag sensor assembly, side airbag sensor LH (for front side), rear airbag sensor LH, side airbag sensor LH (for rear side) and rear floor airbag sensor.

for RHD:

The front passenger side - side collision sensor circuit (to determine deployment of the front seat side airbag assembly LH and curtain shield airbag assembly LH) is composed of the center airbag sensor assembly, side airbag sensor LH (for front side), rear airbag sensor LH, side airbag sensor LH (for rear side) and rear floor airbag sensor.

The rear floor airbag sensor detects impacts to the vehicle and sends signals to the center airbag sensor assembly to determine if the airbag should be deployed.

DTC B1675/18 is recorded when a malfunction is detected in the rear floor airbag sensor.

DTC No.	DTC Detection Condition	Trouble Area
B1675/18	Rear floor airbag sensor malfunction Center airbag sensor assembly malfunction	Rear floor airbag sensor Center airbag sensor assembly

WIRING DIAGRAM

Refer to DTC B1627/82 Click here.

INSPECTION PROCEDURE

PROCEDURE

CHECK REAR FLOOR AIRBAG SENSOR

Turn the engine switch off.
Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
Interchange the front floor airbag sensor with the rear floor airbag sensor and connect the connectors.
Connect the cable to the negative (-) battery terminal.
Turn the engine switch on (IG), and wait for at least 60 seconds.
Clear the DTCs stored in the memory Click here.
Turn the engine switch off.
Turn the engine switch on (IG), and wait for at least 60 seconds.

Check for DTCs Click here.

Result

Result	Proceed to
DTC B1675/18 is output.	A
DTC B1665/17 is output.	B
DTCs B1665/17 and B1675/18 are not output.	C

Tech Tips

Codes other than DTCs B1665/17 and B1675/18 may be output at this time, but they are not related to this check.

B

REPLACE REAR FLOOR AIRBAG SENSOR Click here

C

USE SIMULATION METHOD TO CHECK Click here

A

REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

AIRBAG SYSTEM, Diagnostic DTC:B1675/18