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.
Inspection Procedure
- CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
- Turn the window lock switch OFF and operate the switches on the master switch. Check that the remote UP / DOWN function operates normally.
OK:
Remote UP / DOWN function operates normally.
NG: Go to step 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK : END
- Turn the window lock switch OFF and operate the switches on the master switch. Check that the remote UP / DOWN function operates normally.
- CHECK MANUAL UP / DOWN FUNCTION
- Check that the passenger door power window and rear door power window manual UP / DOWN function operates normally.
OK:
Manual UP / DOWN function operates normally.
NG: Go TO PROBLEM SYMPTOMS TABLE .
OK : REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (See REMOVAL )
- Check that the passenger door power window and rear door power window manual UP / DOWN function operates normally.
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:
- • 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.