Symptom Chart

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. 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)	Wiring, terminals or connectors SJB	REFER to DIAGNOSIS AND TESTING to continue diagnosis of the SJB .
No power in all ignition switch positions	SJB Fuse Wiring, terminals or connectors Ignition switch	GO to PINPOINT TEST A .
No power in ACC	Wiring, terminals or connectors Ignition switch SJB	GO to PINPOINT TEST B .
No power in RUN	PCM Fuse(s) Wiring, terminals or connectors Ignition switch SJB	GO to PINPOINT TEST C .
No power in START	One-Touch Integrated Start (OTIS) diode PCM Wiring, terminals or connectors Ignition switch SJB	GO to PINPOINT TEST D .
The ignition key is hard to turn	Ignition lock cylinder Ignition key Ignition switch	GO to the IGNITION SWITCH - MECHANICAL COMPONENT TEST .
Ignition key cannot be returned to the OFF position	Wiring, terminals or connectors Key removal inhibit solenoid (part of the ignition switch) Park range switch (part of the selector lever) Steering column lock module Ignition lock cylinder	GO to PINPOINT TEST G .
The ignition key can be turned to the OFF position when the selector lever is not in PARK	Wiring, terminals or connectors Key removal inhibit solenoid (part of the ignition switch) Park range switch (part of the selector lever)	GO to PINPOINT TEST H .
The multifunction switch does not operate correctly	Multifunction switch SJB	For a concern with the exterior lighting, REFER to DIAGNOSIS AND TESTING . For a concern with the wipers and washers, REFER to DIAGNOSIS AND TESTING .