Toyota Yaris: Seat Belt Warning System / Driver Side Seat Belt Warning Light does not Operate

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Seat Belt / Seat Belt Warning System / Driver Side Seat Belt Warning Light does not Operate

DESCRIPTION

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

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • The seat belt warning system uses the CAN communication system and CXPI communication system. First, confirm that there is no malfunction in the CAN communication system and CXPI communication system. Refer to the How to Proceed with Troubleshooting procedure.

    Click here

  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

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 assembly.

    Click here

PROCEDURE

1.

PERFORM ACTIVE TEST USING GTS (DRIVER SIDE SEAT BELT WARNING)

(a) Perform the Active Test according to the display on the GTS.

Body Electrical > Combination Meter > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Driver Side Seat Belt Warning

Front seat belt warning light

ON or OFF

-

OK:

The GTS display changes correctly in response to the warning light condition.

NG

REPLACE COMBINATION METER ASSEMBLY

OK

2.

READ VALUE USING GTS (DRIVER BUCKLE SWITCH)

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

Body Electrical > Combination Meter > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Driver Buckle Switch

Driver side seat belt buckle switch status

Fastened or Not Fastened

Fastened: Driver side seat belt fastened

Not Fastened: Driver side seat belt not fastened

-

Body Electrical > Combination Meter > Data List

Tester Display

Driver Buckle Switch

OK:

The GTS display changes correctly in response to the driver seat belt condition.

OK

REPLACE COMBINATION METER ASSEMBLY

NG

3.

INSPECT FRONT SEAT INNER BELT ASSEMBLY LH

Click here

NG

REPLACE FRONT SEAT INNER BELT ASSEMBLY LH

OK

4.

CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

O18-3 (+) - H7-34 (BKL)

Always

Below 1 Ω

O18-3 (+) or H7-34 (BKL) - Body ground

Always

10 kΩ or higher

O18-2 (E) - Body ground

Always

Below 1 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    On-vehicle Inspection

    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT DRIVER SEAT BELT WARNING LIGHT HINT: The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat...

    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 RH and occupant detection sensor (separate type front seat cushion pad RH)...

    Other information:

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Reassembly


    REASSEMBLY PROCEDURE 1. INSTALL FUEL PUMP HINT: Perform "Inspection After Repair" after replacing the fuel pump. Click here (a) Install the fuel pump to the No. 1 cap. (b) Apply gasoline to a new O-ring. (c) Install the O-ring to the sub-assembly support...

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Components


    C..

    Categories

    Keys

    Toyota Yaris. Keys

    Smart key Auxiliary key Key code number plate

    To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.

    Toyota Yaris. Keys

    read more

     
    Copyright © 2024 www.toyaris4.com