Symptom Chart

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 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)	Circuitry SJB	REFER to MODULE COMMUNICATIONS NETWORK article.
The alarm system does not operate correctly	Circuitry Door ajar switch Door disarm switch Driver door lock unit Hood switch Liftgate glass ajar switch Liftgate switch Keyless entry keypad RKE transmitter SJB	Go to Pinpoint Test A .