Lighting System Problem Symptoms Table
Lighting System -- Problem Symptoms Table |
- HINT:
- 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.
Headlight and tail light systemSymptom
| Suspected Area
| See page
|
Lo beam does not turn on (one side)
| 1. H-LP LH and H-LP RH fuses
| -
|
2. Bulb
| -
|
3. Wire harness
| -
|
Lo beam does not turn on (both sides)
| 1. MAIN H-fuse
| -
|
2. Headlight dimmer switch
| Toyota Fortuner RM0000014M4007X.html
|
3. Wire harness
| -
|
Hi beam does not turn on (one side)
| 1. H-LP LH and H-LP RH fuses
| -
|
2. Bulb
| -
|
3. Wire harness
| -
|
Hi beam does not turn on (both sides)
| 1. MAIN H-fuse
| -
|
2. Headlight dimmer switch
| Toyota Fortuner RM0000014M4007X.html
|
3. Wire harness
| -
|
Hi beam flash does not turn on (lo beam and hi beam are normal)
| 1. Headlight dimmer switch
| Toyota Fortuner RM0000014M4007X.html
|
2. Wire harness
| -
|
Headlight is dim
| 1. Bulb
| -
|
2. Wire harness
| -
|
Taillight does not turn on (one side)
| 1. Bulb
| -
|
2. Wire harness
| -
|
Taillight does not turn on (both sides)
| 1. Headlight dimmer switch
| Toyota Fortuner RM0000014M4007X.html
|
2. Wire harness
| -
|
Fog light systemSymptom
| Suspected Area
| See page
|
Fog light does not turn on (one side)
| 1. Bulb
| -
|
2. Wire harness
| -
|
Fog light does not turn on (both sides)
| 1. FOG fuse
| -
|
2. FOG light relay
| Toyota Fortuner RM000001GEM003X_01_0001.html
|
3. Headlight dimmer switch
| -
|
4. Wire harness
| -
|
Turn signal light and hazard warning systemSymptom
| Suspected Area
| See page
|
Hazard warning light and turn signal do not turn on
| 1. TURN-HAZ fuse
| -
|
2. ECU-IG & GAUGE fuse
| -
|
3. Turn signal flasher relay
| Toyota Fortuner RM000001139002X.html
|
4. Wire harness
| -
|
Hazard warning signal light does not turn on (turn signal is normal)
| 1. Hazard warning signal switch
| Toyota Fortuner RM0000014DS003X_01_0001.html
|
2. Wire harness
| -
|
Turn signal does not turn on (hazard warning light is normal)
| 1. Headlight dimmer switch
| Toyota Fortuner RM0000014M4007X.html
|
2. Wire harness
| -
|
Turn signal does not turn on in one direction
| 1. Bulb
| -
|
2. Wire harness
| -
|
Stop light systemSymptom
| Suspected Area
| See page
|
Stop light does not turn on (one side)
| 1. Bulb
| -
|
2. Wire harness
| -
|
Stop light does not turn on (both sides)
| 1. STOP fuse
| -
|
2. Stop light switch
| Toyota Fortuner RM0000018VE002X_01_0001.html
|
2. Wire harness
| -
|