Lighting System
PROBLEM SYMPTOM TABLE - LIGHTING SYSTEM
| Symptom | Possible cause | Remedy |
|---|---|---|
| One lamp does not light (all exterior) | Bulb burned out Socket, wiring or ground faulty |
Replace bulb Repair if necessary |
| Head lamps do not light | Bulb burned out No. 10 fuse (10A) blown Fusible link (50A) blown Head lamp relay faulty Lighting switch faulty Wiring or ground faulty |
Replace bulb Check for short and replace fuse Replace the fusible link Check relay Check switch Repair if necessary |
| Tail lamps and license plate lamps do not light | Tail lamp fuse (10A) blown Battery fusible link (50A) blown Tail lamp relay faulty Lighting switch faulty Wiring or ground faulty |
Replace fuse and check for short Replace the fusible link Check relay Check switch Repair if necessary |
| Stop lamps do not light | No.8 fuse (10A) blown Stop lamp switch faulty Wiring or ground faulty |
Replace fuse and check for short Adjust or replace switch Repair if necessary |
| Stop lamps stay on | Stop lamp switch faulty | Adjust or replace switch |
| Instrument lamps do not light (Tail lamps light) | Rheostat faulty Wiring or ground faulty |
Check rheostat Repair if necessary |
| Turn signal lamp does not flash on one side | Bulb burned out Turn signal switch faulty Wiring or ground faulty |
Replace bulb Check switch Repair if necessary |
| Turn signal lamps do not operate | No.1 fuse (10A) blown Flasher unit faulty Turn signal switch faulty Wiring or ground faulty |
Replace fuse and check for short Check flasher unit Check switch Repair if necessary |
| Hazard warning lamps do not operate | No.7 fuse (10A) blown Flasher unit faulty Hazard switch faulty Hazard relay faulty Wiring or ground faulty |
Replace fuse and check for short Check flasher unit Check switch Replace relay Repair if necessary |
| Flasher rate too slow or too fast | Lamps' wattages are smaller or larger than specified Defective flasher unit |
Replace lamps Check flasher unit |
| Back up lamps do not light up | No.5 fuse (10A) blown Back up lamp switch faulty Wiring or ground faulty |
Replace fuse and check for short Check switch Repair if necessary |
| Room lamp does not light up | Room lamp fuse (10A) blown Wiring or ground faulty |
Replace fuse and check for short Repair if necessary |