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Hyundai Equus: Troubleshooting
| Troubleshooting |
| Symptom | Possible cause | Remedy |
| One lamp does not light (all exterior) | Bulb or LED burned out | Replace bulb or lamp assembly |
| Socket, wiring or ground faulty | Repair if necessary |
| Head lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Ignition fuse (LOW:10A, HIGH:20A) blown | Check for short and replace fuse |
| Head lamp fuse (15A) blown | Check for short and replace fuse |
| Lighting switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Tail lamps and license plate lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Tail lamp fuse (10A) blown | Check for short and replace fuse |
| Lighting switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Stop lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Stop lamp fuse (15A) blown | Check for short and replace fuse |
| Stop lamp switch faulty | Adjust or replace switch |
| Wiring or ground faulty | Repair if necessary |
| Stop lamps do not turn off | Stop lamp switch faulty | Repair or replace switch |
| Instrument lamps do not light (Tail lamps light) | Rheostat faulty | Check rheostat |
| Wiring or ground faulty | Repair if necessary |
| Turn signal lamp does not flash on one side | Bulb or LED burned out | Replace bulb or lamp assembly |
| Turn signal switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Turn signal lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Turn signal lamp fuse (10A) blown | Check for short and replace fuse |
| Turn signal switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Hazard warning lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Hazard warning lamp fuse (15A) blown | Check for short and replace fuse |
| Hazard switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Flasher rate too slow or too fast | Lamps' wattages are smaller or larger than specified | Replace lamps |
| Back up lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Back up lamp fuse (10A) blown | Check for short and replace fuse |
| Back up lamp switch (M/T) faulty | Check switch |
| Transaxle range switch (A/T) faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Room lamp does not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Room lamp fuse (10A) blown | Check for short and replace fuse |
| Room lamp switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Front fog lamps do not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Front fog lamp fuse (15A) blown | Check for short and replace fuse |
| Front fog lamp switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Map lamp does not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Room lamp fuse (10A) blown | Check for short and replace fuse |
| Map lamp switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
| Trunk room lamp does not light | Bulb or LED burned out | Replace bulb or lamp assembly |
| Room lamp fuse (10A) blown | Check for short and replace fuse |
| Trunk room lamp switch faulty | Check switch |
| Wiring or ground faulty | Repair if necessary |
High Mounted stop lamp Repair proceduresSpecial Service Tools
Special Service Tools
Tools (Number and name)IllustrationUse09480-A3800Parking switch 'Park' fixed pin(Inhibitor neutral fixed pin)Parking switch 'Park' fixed
...
Repair procedures
Removal
1.
Remove the front bumper cover.
(Refer to Body - "Front Bumper Cover")
2.
Remove the bolts and disconnect the horn connectors, then remove the high pitch horn (A) and low pitch horn ...
Components and Components Location
Component Location
1. Hood switch2. Burglar horn3. BCM4. Key warning switch5. Front door switch6. Front door lock actuator & switch7. Rear door lock actuator & switch8. Rear door switch9. ...