System Diagram
WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
Communication table
COMMUNICATION REFERENCE
| Sender | Receiver | Signal | Line |
|---|---|---|---|
| Park/Neutral Position Switch | ECM | Park/neutral position switch shift position signal | - |
| Combination Meter | ECM | Speed signal | - |
| ECM | Main Body ECU |
|
CAN |
| Main Body ECU | Rear Sunshade Relay | Park/neutral position switch shift position signal | - |
| Rear Sunshade Switch | Rear Sunshade Relay | Rear sunshade OPEN/CLOSE signal | - |