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.
2007 Lexus GX 470FACTORY OEM SERVICE PROCEDURE
Body & Frame: Windows: Windshield/WINDOWGLASS
- Power Window Control System
- Parts Location
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Fail-Safe
- Data List/Active Test
- Diagnostic Trouble Code Table
- DTC B1221: Power Window Switch Circuit on Driver Door
- DTC B1231, B1232: Jam Protection Limit Switch Circuit on Driver Door; Jam Protection Pulse Switch Circuit on Driver Door
- Remote Up/Down Function Does Not Operate
- Manual Up/Down Function Does Not Operate On Passenger Side Only
- Manual Up/Down Function Does Not Operate On Rear LH Only
- Manual Up/Down Function Does Not Operate On Rear RH Only
- Driver Side Power Window Auto Up/Down Function Does Not Operate With Power Window Master Switch
- Front Passenger Side Power Window Auto Up/Down Function Does Not Operate With Front Passenger Side Power Window Switch
- Rear Power Window LH Auto Up/Down Function Does Not Operate With Rear Power Window Switch LH
- Rear Power Window RH Auto Up/Down Function does not Operate with Rear Power Window Switch RH
- Manual Up/Down Function Does Not Operate On Driver Side
- Power Window Regulator Motor
- Windshield Glass
- Back Window Glass
- Window Defogger System
- Defogger Relay
- Quarter Window Glass
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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