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 Window
Disconnect power window motor 6-pin electrical harness connector. Connect Toyota electrical tester (DVOM) positive lead to terminal No. 3 and negative lead to terminal No. 5 of power window motor. Apply battery positive voltage to terminal No. 1 and battery negative voltage to terminal No. 2 of power window motor. See STEP 1 in illustration. See Fig 1. Pulse should be generated while power window motor turns. Reverse polarity of battery leads. See STEP 2 in illustration. See Fig 1. Pulse should be generated with power window motor turning in opposite direction. If pulse is not generated as specified, replace power window motor. See POWER WINDOW MOTOR under REMOVAL & INSTALLATION.
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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.