| Headlamp(s) wet (internally) |
- Condensation
- Water ingress
|
|
| Headlamp(s) inoperative |
- Body system fault
- Headlamp bulb failed
- Lighting control switch fault
- Headlamp circuit short circuit to ground, short circuit to power, open circuit, high resistance
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new headlamp bulb
- Install a new lighting control switch
- Refer to the electrical circuit diagrams and check the headlamp circuit for short circuit to ground, short circuit to power, open circuit, high resistance
|
| Headlamp(s) dim |
- Body system fault
- Headlamp bulb failed
- Headlamp bulb incorrect specification
- Headlamp circuit high resistance
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new headlamp bulb
- Install a new headlamp bulb
- Refer to the electrical circuit diagrams and check the headlamp circuit for high resistance
|
| Headlamp(s) stuck on |
- Body system fault
- Lighting control switch fault
- Headlamp circuit short circuit to power
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new lighting control switch
- Refer to the electrical circuit diagrams and check the headlamp circuit for short circuit to power
|
| Headlamp low/high beam switching function inoperative |
- Body system fault
- Lighting control switch fault
- Headlamp shutter circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Headlamp internal failure - Shutter mechanism
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new lighting control switch
- Refer to the electrical circuit diagrams and check the headlamp shutter circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Install a new headlamp
|
| Warning indicator(s) inoperative |
- Body system fault
- Instrument cluster fault
- Lighting control switch fault
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Using the manufacturer approved diagnostic system, check the instrument cluster for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new lighting control switch
|
| Headlamp leveling system inoperative |
- Adaptive front lighting system fault
- Body system fault
- Adaptive damping system fault
- Headlamp internal failure - Leveling motor/linkage
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Using the manufacturer approved diagnostic system, check the integrated suspension control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new headlamp
|
| Headlamp alignment incorrect |
- Adaptive front lighting system fault
- Body system fault
- Adaptive damping system fault
- Headlamp internal failure - Leveling motor/linkage
|
- Using the manufacturer approved diagnostic system, check the body control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Using the manufacturer approved diagnostic system, check the integrated suspension control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC
index
- Install a new headlamp
|