Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Front Passenger Side Seat Belt Warning Light does not Operate

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Seat Belt / Seat Belt Warning System / Front Passenger Side Seat Belt Warning Light does not Operate

DESCRIPTION

The combination meter assembly blinks or turns off the passenger seat belt warning light on the combination meter assembly in accordance with the state of the front seat inner belt assembly (for passenger side) and occupant detection sensor (front seat cushion pad (for passenger side)).

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

The seat belt warning system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

Click here

HINT:

The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat. Check that the operation of the seat belt warning light is normal first.

Click here

If the seat belt warning light does not operate for both the driver seat and front passenger seat, replace the combination meter.

Click here

PROCEDURE

1.

CHECK DTC OUTPUT (AIRBAG SYSTEM)

(a) Clear the DTCs.

Body Electrical > SRS Airbag > Clear DTCs

(b) Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO AIRBAG SYSTEM

A

2.

READ VALUE USING GTS

(a) Read the Data List according to the display on the GTS.

Body Electrical > SRS Airbag > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Passenger Seat Buckle Switch Status

Passenger side seat belt buckle switch status

Unknown, Unbuckle, Buckle, or Malfunction

Unknown: Data is not determined

Unbuckle: Passenger side seat belt not fastened

Buckle: Passenger side seat belt fastened

Malfunction: Failure is detected

-
Body Electrical > SRS Airbag > Data List

Tester Display

Passenger Seat Buckle Switch Status

Result

Proceed to

Unbuckle or Buckle is displayed on the GTS according to the driver seat belt condition

A

Unbuckle or Buckle is not displayed correctly on the GTS according to the driver seat belt condition

B

NG is displayed on the GTS

C
A

USE SIMULATION METHOD TO CHECK

B

REPLACE FRONT SEAT INNER BELT ASSEMBLY RH

C

REPLACE AIRBAG ECU ASSEMBLY

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