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.
2002 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
Power Windows
- Description & Operation
- Component Locations
- Adjustments
- Trouble Shooting
- Connector Identification
- System Tests
- Notes
- Test A: Driver's Door Does Not Operate
- Test B: Passenger's & All Rear Doors Do Not Operate By Using The Switches At Each Seat
- Test C: Any Of Passenger's & Rear Doors Not Do Not Operate By Using The Switches Of Each Seat
- Test D: Passenger's & All Rear Doors Are Not Controlled Remotely By Using The Master Switch (Switches Of Each Door Can Be Operated)
- Test E: Auto Up & Auto Down Does Not Operate (Prepare A Normal Master Switch)
- Test F: Down Operation Operates During Door Glass Auto Up Operation
- Test G: Even Though A Foreign Object Is Caught, Down Operation Does Not Function
- Test H: After Ignition Switch Has Been Turned To Off By Using A Key, Power Window Function Does Not Operate
- Circuit Tests
- Component Tests
- Jam Protection Limit Switch
- Jam Protection Pulse Switch
- Power Main Relay
- Power Rear Quarter Window Switch
- Power Vent Window Motor (LH Side)
- Power Vent Window Motor (RH Side)
- Power Window Master Switch Illumination
- Power Window Motor (Driver & Rear RH)
- Power Window Motor (Passenger & Rear LH)
- Power Window Motor PTC Operation (Driver)
- Power Window Motor PTC Operation (Passenger)
- Removal & Installation
- Torque Specifications
- 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.
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