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.
1998 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Power Windows
- Description & Operation
- Trouble Shooting
- Notes
- All Windows Do Not Operate With Each Switch
- All Windows Except Driver's Do Not Operate With Each Switch
- Single Window Does Not Operate (Automatic & Manual Operation)
- Single Window Does Not Operate (Automatic Operation)
- All Windows (Except Driver's) Do Not Operate With Remote Control
- Passenger Window Is Completely Inoperative
- Right Rear Window Is Completely Inoperative
- Left Rear Window Is Completely Inoperative
- Up Operation Of All Windows (Except Driver's) Does Not Operate
- Down Operation Of All Windows (Except Driver's) Does Not Operate
- One-Touch Down Operation Of All Windows (Except Driver's) Does Not Operate
- Power Windows Do Not Operate Using Door Key
- Power Windows Do Not Operate Using Remote Transmitter
- After Window Is Fully Closed, Window Goes Down
- Window Goes Down During Up Operation
- System Tests
- Component Tests
- Removal & Installation
- 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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