Hyundai Elantra MD/UD: Troubleshooting
Troubleshooting
| 1. |
The lamp switch inputs can be checked using the GDS.
|
| 2. |
To check the input value of lamp switch, select option "Body Control
Module".
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| 3. |
To consult the present input/output value of BCM, "Current DATA".
It provides information of BCM input/output conditions of power supply,
turn signal/brake lamp, headlamp, door, locks, outside mirror, wiper,
auto-light and transmitters etc.
|
| 4. |
To check the input value of lamp switch in force mode, select
option "Actuation Test".
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|
Symptom |
Possible cause |
Remedy |
|
One lamp does not light (all exterior) |
Bulb burned out |
Replace bulb |
|
Socket, wiring or ground faulty |
Repair if necessary |
|
|
Head lamps do not light |
Bulb burned out |
Replace bulb |
|
Ignition fuse (LOW:10A, HIGH:20A) blown |
Check for short and replace fuse |
|
|
Head lamp fuse (15A) blown |
Check for short and replace fuse |
|
|
Head lamp relay faulty |
Check relay |
|
|
Lighting switch faulty |
Check switch |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Tail lamps and license plate lamps do not light |
Bulb burned out |
Replace bulb |
|
Tail lamp fuse (10A) blown |
Check for short and replace fuse |
|
|
Tail lamp relay faulty |
Check relay |
|
|
Lighting switch faulty |
Check switch |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Stop lamps do not light |
Bulb burned out |
Replace bulb |
|
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 burned out |
Replace bulb |
|
Turn signal switch faulty |
Check switch |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Turn signal lamps do not light |
Bulb burned out |
Replace bulb |
|
Turn signal lamp fuse (10A) blown |
Check for short and replace fuse |
|
|
Flasher unit faulty |
Check flasher unit |
|
|
Turn signal switch faulty |
Check switch |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Hazard warning lamps do not light |
Bulb burned out |
Replace bulb |
|
Hazard warning lamp fuse (15A) blown |
Check for short and replace fuse |
|
|
Flasher unit faulty |
Check flasher unit |
|
|
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 |
|
Flasher unit faulty |
Check flasher unit |
|
|
Back up lamps do not light |
Bulb burned out |
Replace bulb |
|
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 burned out |
Replace bulb |
|
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 burned out |
Replace bulb |
|
Front fog lamp fuse (15A) blown |
Check for short and replace fuse |
|
|
Front fog lamp relay faulty |
Check relay |
|
|
Front fog lamp switch faulty |
Check switch |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Rear fog lamps do not light |
Rear fog lamp fuse (15A) blown |
Check for short and replace fuse |
|
Rear fog lamp fuse (15A) blown |
Check for short and replace fuse |
|
|
Rear fog lamp switch faulty |
Check switch |
|
|
Rear fog lamp relay faulty |
Check relay |
|
|
Wiring or ground faulty |
Repair if necessary |
|
|
Map lamp does not light |
Bulb burned out |
Replace bulb |
|
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 burned out |
Replace bulb |
|
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 |
