Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

PROBLEM SYMPTOM CHART

Condition	Possible Sources	Action
The ignition switch is inoperative	Ignition switch Circuitry	GO to PINPOINT TEST A .
No power in ACC	Ignition switch Circuitry	GO to PINPOINT TEST B .
No power in RUN	Ignition switch Circuitry	GO to PINPOINT TEST B .
No power in START	Ignition switch Starting system Circuitry	CARRY OUT the Ignition Switch Component Test. Refer to COMPONENT TESTING -- F150 PICKUP for component testing. CHECK the starting system. For additional information, refer to FUEL CHARGING & CONTROLS - 4.2L (4.2L), FUEL CHARGING & CONTROLS - 4.6L (2V) (4.6L 2V), or FUEL CHARGING & CONTROLS - 5.4L (3V) (5.4L 3V).
The multifunction switch/hazard switch does not operate correctly	Multifunction switch	CARRY OUT the Multifunction Switch Continuity Test for electrical diagnosis. Refer to COMPONENT TESTING -- F150 PICKUP for component testing.