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
The power seat is inoperative - seats without heat	Smart junction box (SJB) fuse 9 (30A) Circuitry Seat control switch	Go to Pinpoint Test A .
The power seat is inoperative - seats with heat	Smart junction box (SJB) fuse 9 (30A) Circuitry Seat control switch	Go to Pinpoint Test B .
The power seat moves but is noisy	Obstruction or foreign material Seat track	Go to Pinpoint Test C .
The power seat moves but is loose	Fastening hardware Seat track	Go to Pinpoint Test D .
The power seat does not make full travel	Seat track obstructed Seat track	Go to Pinpoint Test E .
The power seat does not move horizontally/vertically - seats without heat	Circuitry Seat control switch Seat track	Go to Pinpoint Test F .
The power seat does not move horizontally/vertically - seats with heat	Circuitry Seat control switch Seat track	Go to Pinpoint Test G .
The heated seat is inoperative	Fuse Circuitry Heated seat relay Heated seat switch	Go to Pinpoint Test H .
The heated seat does not operate correctly - seat does not heat but the heated seat indicator illuminates when pressed	Circuitry Heated seat switch Cushion heated seat element and bi-metallic thermostat Backrest heated seat element	Go to Pinpoint Test I .
The heated seat does not operate correctly - seat does heat but the heated seat indicator does not illuminate when pressed	Circuitry Heated seat switch	CHECK circuit 57 (BK) for an open. If no problem is found, INSTALL a new heated seat switch.