Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 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) Circuitry SJB	REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
No communication with the driver door module (DDM)	Fuse(s) Circuitry DDM	REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
The alarm system does not disarm - from the driver door	Circuitry Driver door disarm switch (part of the driver door latch) Driver Door Module (DDM) (vehicles with the memory feature only) Smart junction box (SJB)	GO to PINPOINT TEST A .
The alarm system does not arm/disarm - using the remote keyless entry (RKE) transmitter	RKE transmitter RKE transmitter battery Smart junction box (SJB)	GO to PINPOINT TEST B .
The alarm system does not arm/disarm - using the remote keyless entry (RKE) keypad	RKE keypad Smart junction box (SJB)	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
The alarm system does not operate correctly - alarm does not activate with hood ajar/open	Circuitry Hood ajar switch Smart junction box (SJB)	GO to PINPOINT TEST C .
The alarm system does not operate correctly - flashers or horn do not cycle during anti-theft activation	Turn signal lamps Horn Smart junction box (SJB)	GO to PINPOINT TEST D .
The alarm system does not operate correctly - the alarm does not inhibit from the luggage compartment anti-theft inhibit switch	Circuitry Luggage compartment anti-theft inhibit switch Smart junction box (SJB)	GO to PINPOINT TEST E .