Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2012EXPLORER AWD V6-3.5LREPAIR AND DIAGNOSISWINDOWS AND GLASSTESTING AND INSPECTIONPINPOINT TESTSDIAGNOSTIC ROUTINE M
2012 Ford Explorer AWD V6-3.5L
Diagnostic Routine M
2012 Ford Explorer AWD V6-3.5LSECTION Diagnostic Routine M
Diagnostic Routine M
Diagnostic Overview
A Single Power Window is Inoperative - LH Front, Base
Refer to Wiring Diagram Set 100 for schematic and connector information Electrical Diagrams.
Normal Operation and Fault Conditions
The LH (Left Hand) front window motor is bi-directional. Window direction is determined by the polarity of the voltage and ground being supplied to the motor from the master window control switch integral electronics.
Pinpoint Test
1. CHECK THE LH (Left Hand) FRONT WINDOW CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN
1. Ignition OFF.
2. Disconnect: LH (Left Hand) Front Window Control Switch C535B.
3. Measure:
Is the resistance less than 3 ohms?
2. CHECK THE LH (Left Hand) FRONT WINDOW CONTROL SWITCH OPERATION
1. Ignition ON.
2. To check upward window operation, connect fused jumper wires:
3. To check downward window operation, connect fused jumper wires:
Does the window move up and/or down?
3. CHECK FOR AN OPEN CIRCUIT BETWEEN THE LH (Left Hand) WINDOW CONTROL SWITCH AND WINDOW MOTOR
1. Ignition OFF.
2. Disconnect: LH (Left Hand) Front Window Motor.
3. Measure:
Are the resistances less than 3 ohms?
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.