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 MANUALSFORD2004EXPLORER 2WD V6-4.0L VIN EREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSTESTING AND INSPECTIONPINPOINT TESTSTEST L
2004 Ford Explorer 2WD V6-4.0L VIN E
Test L
2004 Ford Explorer 2WD V6-4.0L VIN ESECTION Test L
PINPOINT TEST L: SINGLE POWER WINDOW IS INOPERATIVE - PASSENGER REAR WINDOW
Normal Operation
Under normal operation the passenger rear window control switch receives power from the driver window control switch through circuit 170 (RD/LB). The passenger rear window control switch provides power to the power window motor through circuit 882 (BN/YE) and ground through 881 (BN) to operate the passenger rear window down, and power through circuit 881 (BN) and ground through 882 (BN/YE) to operate the passenger rear window up.
When operating the passenger rear window using the driver window control switch, power is sent to the passenger rear window control switch through circuit 320 (RD/BK) and ground through 319 (YE/BK) to operate the passenger rear window down, and power through circuit 319 (YE/BK) and ground through 320 (RD/BK) to operate the passenger rear window up.
Possible Causes
- Open in circuits 170 (RD/LB), 319 (YE/BK), 320 (RD/BK), 881 (BN) or 882 (BN/YE).
- Inoperative driver window control switch.
- Inoperative passenger rear window control switch.
- Inoperative passenger rear window motor.
Test L1-L2:
Test L2-L3:
Test L3-L4:
Test L4-L5:
Normal Operation
Under normal operation the passenger rear window control switch receives power from the driver window control switch through circuit 170 (RD/LB). The passenger rear window control switch provides power to the power window motor through circuit 882 (BN/YE) and ground through 881 (BN) to operate the passenger rear window down, and power through circuit 881 (BN) and ground through 882 (BN/YE) to operate the passenger rear window up.
When operating the passenger rear window using the driver window control switch, power is sent to the passenger rear window control switch through circuit 320 (RD/BK) and ground through 319 (YE/BK) to operate the passenger rear window down, and power through circuit 319 (YE/BK) and ground through 320 (RD/BK) to operate the passenger rear window up.
Possible Causes
- Open in circuits 170 (RD/LB), 319 (YE/BK), 320 (RD/BK), 881 (BN) or 882 (BN/YE).
- Inoperative driver window control switch.
- Inoperative passenger rear window control switch.
- Inoperative passenger rear window motor.
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.