Power Window Operation Linked With Transmitter
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
When the unlock switch on the transmitter of the ignition key is kept pressed for 2.5 seconds or longer, all the door windows can be opened.
Power Window Open Operation - When the unlock switch of the ignition key is kept pressed for 2.5 seconds or longer, the frequency received from the wireless door lock control ECU is input to the body ECU No. 1. Through communication control of the body ECUs and door ECUs etc., the current flows from terminal DN of each door ECU into the power window motor to terminal UP of each door ECU to GROUND, to open all the door windows. See WIRING DIAGRAMS .
If any of the following conditions are detected, the power window operation is stopped.
- Approximately 10 seconds or longer have elapsed after starting open operation.
- The lock or unlock switch on the transmitter is released.
- Catching prevention function is activated.