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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Lighting System - HEV) >> Troubleshooting
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Section 17 (Lighting System - HEV): Troubleshooting

WARNING: This page is about a different variant/trim than selected.
  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.
    Fig 1: Display - Current Data Of BCM
    G08309578Courtesy of KIA MOTORS AMERICA, INC.
  4. To check the input value of lamp switch in force mode, select option "Actuation Test".
    Fig 2: Display - Actuation Test Of BCM
    G08309579Courtesy of KIA MOTORS AMERICA, INC.
    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 LED lamp does not turn on
    • Check the wiring and connector
    • Replace the 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
    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