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 GS 430FACTORY OEM SERVICE PROCEDURE
Power Window Does Not Operate With Multi-Function Transmitter (Windows Operate Normally With Master Switch)
WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
POWER WINDOW DOES NOT OPERATE WITH MULTI-FUNCTION TRANSMITTER TROUBLESHOOTING
| Trouble | Suspect Area (terminal No.) | Parts name |
|---|---|---|
| Door lock and luggage compartment opener do not operate with multi-function transmitter. | Refer to WIRELESS DOOR LOCK CONTROL SYSTEM | - |
| Only luggage compartment opener operates with multi-function transmitter. | Wireless door lock transmitter faulty. | Check wireless door lock transmitter. |
| Door lock and luggage compartment opener operate with multi-function transmitter. | Fail-safe mode caused by error on jam protection sensor of power window. (Operation of power window with multi-function transmitter is prohibited.) HINT: DTC 31 - 38 output |
Refer to MULTIPLEX COMMUNICATION SYSTEM |
Factory Service Tools
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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.