Description
When the ignition switch is on, the center airbag sensor transmits front seat inner belt status signals to the combination meter through the can bus line. If the driver 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.
Notice:
The seat belt warning system uses the can bus line. Before troubleshooting the seat belt warning system, perform "communication function check" by following "how to proceed with troubleshooting" to confirm that the communication systems are normal.
Wiring diagram

Inspection procedure
Center airbag sensor:

Ok: driver side seat belt warning light operates normally.

Replace center airbag sensor assembly
On-vehicle inspection
Front passenger side seat belt warning light malfunctionHow to proceed with troubleshooting
Hint:
*: Use the intelligent tester.
Hint:
If the display indicates a communication fault in the tester,
inspect the dlc3.
Hint:
Record or print dtcs and freeze frame data, if necessary.
Hint:
If the engine does not start, first perform the "check dtc"
procedures a ...
Problem symptoms table (2006/01- )
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
Active test
Hint:
Performing an active test enables components
including the relays, vsv (vacuum switching valve) and
actuators, to be operated without removing any parts.
The active test can be performed with the intelligent
tester. Performing the active test as the first step of
troubleshooting is one ...