Toyota CH-R Service Manual: Driver Side Seat Belt Warning Light does not Operate

DESCRIPTION

The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the state of the front seat inner belt assembly LH.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

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.

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

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PROCEDURE

1.	CHECK DTC OUTPUT (AIRBAG SYSTEM)

(a) Clear the DTCs.

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Body Electrical > SRS Airbag > Clear DTCs

(b) Check for DTCs.

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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 TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / SRS Airbag / Data List.

(e) Read the Data List according to the display on the Techstream.

Body Electrical > SRS Airbag > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Left side Buckle SW	LH buckle switch	Unset, Set or NG	Unset: Seat belt not fastened Set: Seat belt fastened NG: Data is not determined	-

Body Electrical > SRS Airbag > Data List

Tester Display
Left side Buckle SW

Result	Proceed to
Unset or Set is displayed on the Techstream according to the driver seat belt condition	A
Unset or Set is not displayed correctly on the Techstream according to the driver seat belt condition	B
NG is displayed on the Techstream	C

A

USE SIMULATION METHOD TO CHECK

B

REPLACE FRONT SEAT INNER BELT ASSEMBLY LH

C

REPLACE AIR BAG SENSOR ASSEMBLY