DESCRIPTION
When the ignition switch is turned to ON, the center airbag sensor transmits front seat inner belt LH state signals to the combination meter through the CAN. If the driver side seat belt is not fastened, the combination meter blinks the driver side seat belt warning light. If the seat belt is fastened, the warning light goes off.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The seat belt warning system uses the CAN communication system. First, confirm
that there is no malfunction in the CAN communication system. Refer to the How to
Proceed with Troubleshooting procedure (See page
).
PROCEDURE
1. |
CHECK FOR DTC (AIRBAG SYSTEM) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC is not output |
A |
Airbag system DTC is output |
B |
B | ![]() |
GO TO AIRBAG SYSTEM |
|
2. |
PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER SIDE SEAT BELT WARNING LIGHT) |
(a) Operate the Techstream according to the display and select Active Test (See
page ).
Item |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Driver Side Seat Belt |
Driver side seat belt warning light |
ON/OFF |
Confirm that the vehicle is stopped and the engine is idling. |
OK:
Driver side seat belt warning light condition can be switched by Active Test.
NG | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
|
3. |
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
(a) Temporarily replace the center airbag sensor with a new one (See page
).
|
4. |
CHECK DRIVER SIDE SEAT BELT WARNING LIGHT |
(a) Check the driver side seat belt warning light function (See page
).
OK:
Driver side seat belt warning light operates normally.
OK | ![]() |
END (CENTER AIRBAG SENSOR IS DEFECTIVE) |
NG | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
When removing the window frame moulding, black out tape and outside
stripe, heat the vehicle body, windo ...
Center Airbag Sensor Assembly
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK AIRBAG SENSOR ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform a diagnostic system check (See page
).
2. CHECK AIRBAG SENSOR ASSEMBLY (VEH ...