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.
Main Switch Assembly
Vehicle is equipped with Electronic Time and Alarm Control System (ETACS). Battery voltage is applied at all times to driver door module No. 1 and passenger door module No. 1 through fuse No. 24 (20-amp) located in passenger compartment junction block. Power window relay operation is controlled by the ETACS module based on a window operation request. Battery voltage is supplied at all times to power window relay for window motor operation through power window fusible link (30-amp) located in engine compartment junction block. When power window relay is energized, battery voltage is supplied to the front door modules and rear window sub-switches through closed relay contacts. When window switch is operated, battery voltage is applied to the power window motor. The motor is then grounded through the opposite contact in the main switch assembly. The direction motor turns depends on battery voltage polarity.
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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.