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Hyundai Equus: Troubleshooting - Lighting System - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai 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 procedures
    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear package trim (A). (Refer to Body - "Interior trim") 3. Remove the high mounted stop lamp (A) after removing sc ...

    Auto Lighting Control System
    ...

    See also:

    Accelerator Position Sensor (APS) Specifications
    Specification AcceleratorPositionOutput Voltage (V)APS1APS2C.T0.7 ~ 0.80.33 ~ 0.43W.O.T3.85 ~ 4.351.93 ~ 2.18 ...

    Automatic heating and air conditioning
    1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning will be controlled automatically according to the temperature setting. 2. Press the TEMP button to set the desi ...

    Repair procedures
    Inspection Front Door Lock Module Inspection 1. Remove the front door trim. (Refer to Body - "Front Door Trim") 2. Remove the front door module. (Refer to Body - "Front Door Module") 3. ...

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    Hyundai Equus Manuals


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