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.
All Power Windows Inoperative
Check for a blown fuse No. 36 (40-amp), No. 56 (7.5-amp) or No. 41 (20-amp) in underhood fuse/relay box. Check for malfunctioning power window relay in underdash fuse/relay box. See Figure . See RELAYSΒ under COMPONENT TESTS. Check for proper multiplex control unit input. See 3.5RLΒ under MULTIPLEX CONTROL UNIT under SYSTEM TESTS. Check for poor connection at ground connectors G401, G402 or G251. See WIRING DIAGRAMSΒ . Also check for open circuit in White/Green wire between underhood fuse/relay box and underdash fuse/relay box.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.