Toyota Corolla Cross: 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.
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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.
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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 |
.gif) | GO TO AIRBAG SYSTEM
|
|
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| 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 |
- |
|
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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