Multiplex System Operation
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
The multiplex communication system communicates among the body ECU, driver door ECU, front passenger door ECU, both rear door ECUs and theft deterrent ECU and controls the following systems according to the signals from respective sensors or switches.
- Automatic light control.
- Door lock control.
- Garage door opener.
- Headlight (with Daytime Running Lights).
- Headlight (without Daytime Running Lights).
- Interior light.
- Key reminder.
- Light auto turn off.
- Luggage compartment door opener.
- Moon roof.
- Power window.
- Theft deterrent.
- Wireless door lock control.