Toyota Yaris: Seat Belt Warning System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the seat belt warning system.
- *: Use the GTS.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the trouble.
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|
| 3. | PRE-CHECK |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check if the CAN communication system is functioning normally.
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| Result | Proceed to |
|---|---|
| CAN DTCs are not output | A |
| CAN DTCs are output | B |
| B |
 | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | CHECK COMBINATION METER ASSEMBLY |
(a) Check the operation of the speedometer and shift indicator on the combination meter assembly.
OK:
The speedometer and shift indicator on the combination meter assembly operate normally.
| NG |
 | GO TO METER / GAUGE SYSTEM |
|
| 6. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in problem symptoms table | A |
| Fault is listed in problem symptoms table | B |
| B |
 | GO TO STEP 8 |
|
| 7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
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(b) Terminals of ECU
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(c) On-vehicle Inspection
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|
| 8. | REPAIR OR REPLACE |
|
| 9. | CONFIRMATION TEST |
| NEXT |
 | END |
System Description
SYSTEM DESCRIPTION SEAT BELT WARNING SYSTEM DESCRIPTION (a) Seat belt warning light operation for driver seat belt: (1) The seat belt warning light on the combination meter assembly illuminates, blinks or turns off in accordance with the driver seat belt state, vehicle speed, shift lever position and parking brake state...
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE SEAT BELT WARNING SYSTEM NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Driver Frontal Stage 1 Deployment Control Circuit Open (B000113)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B000113 Driver Frontal Stage 1 Deployment Control Circuit Open The airbag sensor assembly detects an open in the driver seat airbag squib circuit for 2 seconds Spiral cable sub-assembly malfunction Horn button assembly malfunction Airbag sensor assembly malfunction Harness or connector Spiral cable sub-assembly Horn button assembly Airbag sensor assembly Comes on Applies to check mode WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal...
Toyota Yaris XP210 (2020-2026) Owner's Manual: Engine Start Function When Key Battery is Dead
If the engine cannot be started due to a dead key battery, the engine can be started using the following procedure: Continue to depress the brake pedal firmly until the engine has completely started. Manual transaxle: Continue to depress the clutch pedal firmly until the engine has completely started...
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Fuel-Filler Lid and Cap
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is removed too quickly.
