Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 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) module	Circuitry SJB	REFER to MULTIFUNCTION ELECTRONIC MODULES article.
All power windows are inoperative - MKZ	Fuse Circuitry Window control switch SJB	Go to Pinpoint Test A .
All power windows are inoperative - Fusion, Milan	Circuitry Window control switch SJB	Go to Pinpoint Test B .
A single power window is inoperative - MKZ, LH front	Fuse Circuitry LH front window control switch LF power window motor SJB	Go to Pinpoint Test C .
A single power window is inoperative - Fusion, Milan, LH front	Circuitry LH front window control switch LF power window motor SJB	Go to Pinpoint Test D .
A single power window is inoperative - MKZ, RH front	Fuse Circuitry LH or RH front window control switch RH front power window motor	Go to Pinpoint Test E .
A single power window is inoperative - MKZ, LH or RH rear	Fuse Circuitry LH or RH front window control switch LH or RH rear power window motor	Go to Pinpoint Test F .
A single power window is inoperative - Fusion, Milan, RH front, LH or RH rear	Circuitry LH or RH front window control switch LH or RH rear window control switch RH front, LH or RH rear power window motor	Go to Pinpoint Test G .
The one-touch up/down feature is inoperative - MKZ, LH or RH front	Circuitry LH or RH front power window motor LH or RH front window control switch LH or RH front motor not initialized Battery power was lost while LH or RH front window was operating	Go to Pinpoint Test H .
The one-touch down feature is inoperative - Fusion, Milan, LH front	LH front window control switch	INSTALL a new LH front window control switch. REFER to Window Control Switch . TEST the system for normal operation.
The global open function is inoperative/does not operate correctly - MKZ	Remote keyless entry (RKE) transmitters Circuitry SJB Door window motors not initialized	Go to Pinpoint Test I .
The defrost system is inoperative - MKZ	Fuse(s) Circuitry Rear window defrost grid HVAC Antenna module SJB Battery junction box (BJB)	Go to Pinpoint Test J .
The defrost system will not shut off automatically - MKZ	Circuitry SJB HVAC	Go to Pinpoint Test K .
The delayed accessory is inoperative/does not operate correctly	Fuse Circuitry SJB circuit breaker SJB	Go to Pinpoint Test M .
The defrost system is inoperative - Fusion, Milan	Fuse(s) Circuitry Rear window defrost grid HVAC SJB BJB	Go to Pinpoint Test N .
The defrost system will not shut off automatically - Fusion, Milan	Circuitry SJB HVAC	Go to Pinpoint Test L .