System Diagram
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
Communication table
COMMUNICATION REFERENCE
| Sender | Receiver | Signal | Line |
|---|---|---|---|
| Hybrid vehicle control ECU | Main body ECU | Shift position switch signal | CAN |
| Main body ECU | Rear junction block ECU | Reverse position signal | CAN |
| Combination meter | Rear junction block ECU | Vehicle speed signal | CAN |
| No 1 console switch | Rear junction block ECU | Rear sunshade switch signal | LIN - CAN |
| Curtain switch*1 | Rear junction block ECU | Rear sunshade switch signal | CAN |
| Rear power seat module switch*2 | Rear junction block ECU | Rear sunshade switch signal | CAN |