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.
Driver's Power Window Inoperative
2004 Acura 3.5RLSECTION Driver's Power Window Inoperative
- Check for blown fuse No. 41 (20-amp) in underhood fuse/relay box. Check for blown fuse No. 17 (7.5-amp) in underdash fuse/relay box. Check for malfunctioning power window relay in underdash fuse/relay box. See Figure . Check for malfunctioning driver's power window relay "A" or "B" in underhood relay box. See RELAYS under COMPONENT TESTS.
- Check for malfunctioning driver's power window motor or regulator. See DRIVER'S POWER WINDOW MOTOR under COMPONENT TESTS. Check for proper multiplex control unit input. See 3.5RL under MULTIPLEX CONTROL UNIT under SYSTEM TESTS.
- Check for poor connection at ground connectors G401, G402 or G251. See WIRING DIAGRAMS . Check for open circuit in Black/White wire between door multiplex control unit and driver's power window relay "B". Also check for open circuit in Green/White wire between underhood fuse/relay box and driver's power window relay "B".
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.