Kia Optima Hybrid: Lighting System / 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".
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".

Symptom
Possible cause
Remedy
One lamp does not light
(all exterior)
Bulb burned out
Replace bulb
Socket, 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
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
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
Luggage room lamp does not light
Bulb burned out
Replace bulb
Trunk lamp fuse (10A) blown
Check for short and replace fuse
Luggage room lamp switch faulty
Check switch
Wiring or ground faulty
Repair if necessary

Turn Signal Lamp Repair procedures

Removal Door Mirror Turn Signal Lamp 1. Disconnect the negative (-) battery terminal. 2. Remove the mirror (C) after disconnecting the heater connector (A) and BSD warning connector (B). 3. Remove the ...

Auto Lighting Control System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Panoramaroof Repair procedures


Replacements Movable glass Replacement 1. Open the movable glass fully. 2. Remove the folding cover (A). 3. After loosening the mounting screws, then remove the movable glass (A).     • Do not damage the screws. 4. Installation is the reverse of removal. Motor Replacement     • ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Compression Test


Compression Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure.     Engine may start anytime the vehicle is in READY mode.1. Warm up and stop engine. 1. Warm up and stop engine. Allow the engine to ...

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