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 areas in the order they are listed. Replace parts as necessary.
HEADLIGHT AND TAILLIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| Neither headlight comes on. (w/o Daytime running light system) | HARNESS OR CONNECTOR |
| HEADLIGHT RELAY CIRCUIT | |
| Neither headlight comes on. (w/ Daytime running light system) | HARNESS OR CONNECTOR |
| DRL RELAY CIRCUIT | |
| HEADLIGHT SIGNAL CIRCUIT | |
| HEADLIGHT RELAY CIRCUIT | |
| Only one headlight comes on. | BULB |
| HARNESS OR CONNECTOR | |
| HEADLIGHT SIGNAL CIRCUIT | |
| HEADLIGHT RELAY CIRCUIT | |
| LO-Beam lights do not come on. | BULB |
| HARNESS OR CONNECTOR | |
| HEADLIGHT SIGNAL CIRCUIT | |
| HEADLIGHT RELAY CIRCUIT | |
| HI-Beam lights do not come on. | BULB |
| HARNESS OR CONNECTOR | |
| HEADLIGHT SIGNAL CIRCUIT | |
| HEADLIGHT RELAY CIRCUIT | |
| Flash does not come on. (Headlights and Hi-beam normal) | HARNESS OR CONNECTOR |
| HEADLIGHT SIGNAL CIRCUIT | |
| HEADLIGHT RELAY CIRCUIT | |
| No taillights come on. (Headlights normal) | HARNESS OR CONNECTOR |
| TAILLIGHT CIRCUIT | |
| Only one taillight comes on. | BULB |
| HARNESS OR CONNECTOR | |
| TAILLIGHT CIRCUIT |
FOG LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| Front fog lights do not come on when light control switch in TAIL or HEAD position. (Headlights normal) | HARNESS OR CONNECTOR |
| FRONT FOG LIGHT CIRCUIT | |
| Only one fog light comes on. | BULB |
| HARNESS OR CONNECTOR | |
| FRONT FOG LIGHT CIRCUIT |
BACK-UP LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| No back-up lights do not come on. | HARNESS OR CONNECTOR |
| BACK UP LIGHT CIRCUIT | |
| Only one Buck-up light comes on. | BULB |
| HARNESS OR CONNECTOR | |
| BACK UP LIGHT CIRCUIT |
STOP LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| No stop lights come on. | HARNESS OR CONNECTOR |
| STOP LIGHT SWITCH CIRCUIT | |
| Only one stop light does not come on. | BULB |
| HARNESS OR CONNECTOR | |
| STOP LIGHT SWITCH CIRCUIT | |
| High mounted stop light does not come on. | BULB |
| HARNESS OR CONNECTOR | |
| STOP LIGHT SWITCH CIRCUIT |
TURN SIGNAL LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| No turn signal lights come on. | HARNESS OR CONNECTOR |
| TURN SIGNAL LIGHT CIRCUIT | |
| Only one turn signal light does not come on. | BULB |
| HARNESS OR CONNECTOR | |
| TURN SIGNAL LIGHT CIRCUIT |
HAZARD WARNING LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| Hazard warning light does not come on. (Turn signal light normal) | HARNESS OR CONNECTOR |
| HAZARD WARNING SWITCH CIRCUIT |
LICENSE PLATE LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| License plate light does not come on. | BULB |
| TAILLIGHT CIRCUIT |
MAP LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| Map light does not come on. | DOME fuse |
| MAP LIGHT ASSEMBLY | |
| Harness or connector |
ROOM LIGHT SYSTEM:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area |
|---|---|
| Room light assembly does not come on. | HARNESS OR CONNECTOR |
| ROOM LIGHT ASSEMBLY | |
| Bulb | |
| ILLUMINATION CIRCUIT |