Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
No power in all ignition switch positions	Fuse Wiring, terminals or connectors Ignition switch Smart junction box (SJB)	Go to Pinpoint Test A .
No power in ACC	Fuse(s) Wiring, terminals or connectors Ignition switch SJB	Go to Pinpoint Test B .
No power in RUN	Fuse(s) Wiring, terminals or connectors Run/start relay Ignition switch SJB	Go to Pinpoint Test C .
No power in START	Fuse Wiring, terminals or connectors Starter motor relay Ignition switch SJB	Go to Pinpoint Test D .
The ignition key is hard to turn	Key Ignition lock cylinder Ignition switch rod Ignition switch	Go to the Ignition Switch - Mechanical .
The multi-function switch does not operate correctly	Multi-function switch	Go to the Component Tests .