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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Front Power Window Motor LH Circuit Check
WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between main power window and door lock/unlock switch connector D7 terminal 8, 11 and ground.
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH CONNECTORS VOLTAGEConnector Terminals (Wire color) Condition Voltage (V) (Approx.) (+) (-) D7 8 (G/R) Ground Closing Battery voltage Opening 0 11 (G/W) Closing 0 Opening Battery voltage OK or NG
- OK: GO TO 2.
- NG: Replace main power window and door lock/unlock switch.
- CHECK POWER WINDOW MOTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect main power window and door lock/unlock switch and front power window motor LH.
- Check continuity between main power window and door lock/unlock switch connector D7 terminal 8, 11 and front power window motor LH connector D9 terminal 1, 3.
- 8 (G/R) - 3 (G/R): Continuity should exist.
- 11 (G/W) -1 (G/W): Continuity should exist.
OK or NG
- OK: Replace front power window motor LH.
- NG: Repair or replace harness.
Factory Service Tools
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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.
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