Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use the table below to help determine the causes of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected area in the order they are listed. Replace parts as necessary.
MALFUNCTION SYSTEM
MALFUNCTION SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Entire combination meter does not operate | Refer to troubleshooting | ENTIRE COMBINATION METER DOES NOT OPERATE |
| Operating light control rheostat does not change light brightness | Refer to troubleshooting | OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS |
METER GAUGES
METER GAUGES
| Symptom | Suspected Area | See | ||
|---|---|---|---|---|
| Speedometer malfunction | Refer to troubleshooting | SPEEDOMETER MALFUNCTION | ||
| Tachometer malfunction(1) | Refer to troubleshooting | TACHOMETER MALFUNCTION | ||
| Fuel gauge malfunction | Refer to troubleshooting | FUEL GAUGE MALFUNCTION | ||
| Malfunction in water temperature warning light | Refer to troubleshooting | MALFUNCTION IN WATER TEMPERATURE WARNING LIGHT | ||
| Clock malfunction | Combination meter assembly | - | ||
|
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WARNING/INDICATOR LIGHT
WARNING/INDICATOR LIGHT
| Symptom | Suspected Area | See | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MIL does not come on | ECM | MIL CIRCUIT | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Charge warning light does not come on | Generator | INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| ECM | TERMINALS OF ECM | |||||||||||||
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| HEAD indicator does not come on(1) | Headlight dimmer switch | INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Brake warning light remains on | Refer to troubleshooting | BRAKE WARNING LIGHT REMAINS ON | ||||||||||||
| Brake warning light does not come on | Refer to troubleshooting | BRAKE WARNING LIGHT DOES NOT COME ON | ||||||||||||
| ABS warning light remains on(3) | Refer to troubleshooting | ABS WARNING LIGHT REMAINS ON | ||||||||||||
| ABS warning light does not come on(3) | Refer to troubleshooting | ABS WARNING LIGHT DOES NOT COME ON | ||||||||||||
| Airbag warning light remains on | Refer to troubleshooting | SRS WARNING LIGHT REMAINS ON | ||||||||||||
| Airbag warning light does not come on | Refer to troubleshooting | SRS WARNING LIGHT DOES NOT COME ON | ||||||||||||
| Engine oil pressure warning light does not come on | Engine oil pressure switch assembly | ON-VEHICLE INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Driver side seat belt warning light does not operate | Refer to troubleshooting | DRIVER SIDE SEAT BELT WARNING LIGHT DOES NOT OPERATE | ||||||||||||
| Front passenger side seat belt warning light malfunction | Refer to troubleshooting | FRONT PASSENGER SIDE SEAT BELT WARNING LIGHT MALFUNCTION | ||||||||||||
| Turn indicator light does not come on | Turn signal flasher relay | ON-VEHICLE INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Beam indicator light does not come on | Headlight dimmer switch | INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Washer level warning light does not come on(4) | Washer level warning switch | ON-VEHICLE INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Engine coolant temperature warning light does not come on | Engine coolant temperature sensor | REMOVAL | ||||||||||||
| ECM | TERMINALS OF ECM | |||||||||||||
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Power steering warning light does not come on | Refer to troubleshooting | EPS WARNING LIGHT CIRCUIT | ||||||||||||
| MAINT REQD indicator light blinks or continues illuminating(1) | Resetting procedure | ON-VEHICLE INSPECTION | ||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Front fog light indicator light does not come on(5) | Fog light relay | INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Open door warning light does not come on | Door courtesy switch | INSPECTION | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Main body ECU | TERMINALS OF ECU | |||||||||||||
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| TAIL indicator light does not come on(2) | TL-P relay | TAILLIGHT CIRCUIT | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
| Tire pressure indicator light does not come on(6) | Tire pressure warning ECU | - | ||||||||||||
| Wire harness or connector | - | |||||||||||||
| Combination meter assembly | REMOVAL | |||||||||||||
|
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BUZZER
BUZZER
| Symptom | Suspected Area | See |
|---|---|---|
| No buzzers sound | Combination meter assembly | REMOVAL |
| Seat belt warning buzzer does not sound | Front seat inner belt assembly | INSPECTION |
| Wire harness or connector | - | |
| Main body ECU | TERMINALS OF ECU | |
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Combination meter assembly | REMOVAL | |
| Light reminder warning buzzer does not sound | Door courtesy switch | TERMINALS OF ECU |
| Headlight dimmer switch assembly | INSPECTION | |
| Wire harness or connector | INSPECTION | |
| Main body ECU | - | |
| CAN communication system | TERMINALS OF ECU | |
| Combination meter assembly | - | |
| Key reminder warning buzzer does not sound | Unlock warning switch assembly | INSPECTION |
| Wire harness or connector | TERMINALS OF ECU | |
| Main body ECU | DTC CHECK/CLEAR | |
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Combination meter assembly | REMOVAL | |
| Parking brake unreleased warning buzzer does not sound | Parking brake switch assembly | INSPECTION |
| Wire harness or connector | - | |
| Main body ECU | TERMINALS OF ECU | |
| CAN communication system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Combination meter assembly | REMOVAL |