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.
1992 Lexus ES 300 AutomaticFACTORY OEM SERVICE PROCEDURE
Power Window Motor: Circuit
NOTE:
Ensure power window lock switch on power window master switch is in unlock position.
- Disconnect the connector from the motor.
- Connect the connector to the master switch and power window switch.
- Inspect the connector on the wire harness side. See Fig 1, Fig 2 or Fig 3 . If the circuit is not as specified, inspect the circuits connected to other parts. See WIRING DIAGRAMS .
Factory Service Tools
Use the Manual With the Right Hardware
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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.