System Diagram
WARNING: This page is about a different car, the 2011 Lexus IS 350 and 2011 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
| Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal | Line |
|---|---|---|---|
| Certification ECU | Main body ECU RH | IG relay operating states | BEAN |
| Power source ECU | Main body ECU RH | Engine switch signal | BEAN |
| Main body ECU RH | Power window master switch | Power window open signal | BEAN |
| Power window master switch | Sliding roof ECU | Sliding roof open signal | BEAN |
| Main body ECU RH | Front controller | Vehicle horn sound request | BEAN |