Tech Tips
Use the table below to help determine the cause 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 areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below
*1: w/ Airbag system
*2: w/ ABS
*3: TOYOTA DYNA 100/150 Repair manual pub No. RM859E
| Symptom | Suspected Area | See page |
|---|---|---|
| Entire combination meter does not operate | Combination meter circuit |
| Symptom | Suspected Area | See page |
|---|---|---|
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Fuel receiver gauge malfunction | Fuel receiver gauge circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit |
| Symptom | Suspected Area | See page |
|---|---|---|
| All illumination lights do not light up. | Combination meter assembly | - |
| Wire harness and connector | - | |
| Only one illumination light does not light up. | Combination meter assembly | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| MIL does not light up. | Wire harness and connector | - |
| ECM | ||
| Combination meter assembly | - | |
| Charge warning light does not light up. | Wire harness and connector | - |
| Charging system | ||
| Combination meter assembly | - | |
| Brake warning light does not light up. | Wire harness and connector | - |
| Parking brake switch | ||
| Brake vacuum warning switch | ||
| Brake fluid level warning switch | ||
| Combination meter assembly | - | |
| SRS warning light does not light up. (*1) | Wire harness and connector | - |
| Airbag sensor assembly | ||
| Combination meter assembly | - | |
| ABS warning light does not light up (*2) | Wire harness and connector | - |
| ABS system | ||
| Combination meter assembly | - | |
| Fuel level warning light does not light up. | Wire harness and connector | - |
| Fuel level warning switch | ||
| Combination meter assembly | - | |
| Oil pressure warning light does not light up. | Wire harness and connector | - |
| Oil pressure warning switch | ||
| Combination meter assembly | - | |
| Oil level warning light does not light up. | Wire harness and connector | - |
| Engine oil level warning switch | - | |
| Combination meter assembly | - | |
| T-Belt warning light does not light up. | Combination meter assembly | - |
| Filter warning light does not light up. | Wire harness and connector | - |
| Fuel filter warning switch | ||
| Combination meter assembly | - | |
| Fuel sedimenter warning light does not light up. | Wire harness and connector | - |
| Fuel sedimenter switch | ||
| Combination meter assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Turn indicator light does not light up. | Wire harness and connector | - |
| Turn signal and hazard warning system | ||
| Combination meter assembly | - | |
| High beam indicator light does not light up. | Wire harness and connector | - |
| Headlight dimmer switch | ||
| Combination meter assembly | - | |
| Glow indicator light does not light up. | Wire harness and connector | - |
| Pre-heating system | ||
| ECM | ||
| Combination meter assembly | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Malfunction in ODO/TRIP meter | Combination meter assembly | - |