Symptom Chart
WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart
| Condition |
Possible Sources |
Action |
- No communication with the smart junction box (SJB)
|
- Fuse(s)
- Wiring, terminals or connectors
- SJB
|
|
- Both low beams are inoperative
|
- Fuse
- Wiring, terminals or connectors
- SJB
|
|
- Both high beams are inoperative
|
- Wiring, terminals or connectors
- Multifunction switch
- SJB
|
|
- One low beam headlamp is inoperative
|
- Fuse
- Wiring, terminals or connectors
- High intensity discharge (HID) relay
- HID bulb
- Ballast
- Headlamp assembly
- SJB
|
|
- One high beam headlamp is inoperative
|
- Wiring, terminals or connectors
- Headlamp assembly
|
|
- The headlamps are on continuously
|
- Wiring, terminals or connectors
- HID relay
- Headlamp switch
- Multifunction switch
- SJB
|
|
- The flash-to-pass feature is inoperative
|
- Wiring, terminals or connectors
- Multifunction switch
- SJB
|
|