LIGHTING SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Only one headlight comes on. | Bulb | - |
| H-LP LH, H-LP RH fuse | - | |
| Harness or connector | - | |
| Headlights do not come on (All). | H-LP LH, H-LP RH fuse | - |
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| "HI-Beam" lights do not come on (All). | Bulb | - |
| H-LP LH, H-LP RH fuse | - | |
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| "HI-Beam" light does not come on (One side). | Bulb | - |
| Harness or connector | - | |
| "Flash" does not come on. (Headlight and Hi-beam are normal) | Headlight dimmer switch assembly | |
| Harness or connector | - | |
| Headlight is dark. | Bulb | - |
| Harness or connector | - | |
| Taillights do not come on (All). | TAIL fuse | - |
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| One taillight comes on. | Bulb | - |
| Harness or connector | - | |
| Rear combination light does not come on. | Bulb | - |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Fog lights do not come on with light control switch in HEAD position. | FOG FR fuse | - |
| FR FOG relay | ||
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| One fog light does not come on. | Bulb | - |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Rear fog lights do not come on with light control switch in HEAD position. | ECU-B fuse | - |
| TAIL fuse | - | |
| RR FOG relay | ||
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| One rear fog light does not come on. | Bulb | - |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Daytime running lights do not operate (All). | DRL FR fuse | - |
| DRL relay | ||
| Combination meter assembly | - | |
| Harness or connector | - | |
| One daytime running light does not come on. | Daytime running light assembly | - |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| "Hazard" warning and "Turn" signal do not come on. | HAZARD fuse | - |
| IG2 fuse | - | |
| Combination meter assembly | - | |
| Harness or connector | - | |
| Hazard warning light does not come on. (Turn signal light normal) | Hazard warning switch assembly | |
| Combination meter assembly | - | |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Turn signal light does not come on. (Hazard warning light normal) | Headlight dimmer switch (turn signal switch) | |
| Harness or connector | - | |
| Turn signal light does not come on in one direction. | Headlight dimmer switch (turn signal switch) | |
| Harness or connector | - | |
| One bulb does not come on. | Bulb | - |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Headlight beam level control system does not operate (All). | TAIL fuse | - |
| Headlight leveling switch | ||
| Headlight dimmer switch assembly | ||
| Harness or connector | - | |
| Headlight beam level control system does not operate (One side). | Headlight leveling switch | |
| Headlight beam level control actuator | - | |
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Center stop light assembly does not come on. | Bulb | - |
| Center stop light | ||
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Room light assembly does not come on. | Bulb | - |
| Room light assembly | ||
| Harness or connector | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| Stop lights do not operate (All). | STOP fuse | - |
| Stop light switch assembly | ||
| Harness or connector | - | |
| Back up light does not come on. | BACK UP fuse | - |
| Back up light switch assembly | - | |
| Harness or connector | - |