System Diagram
WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
COMMUNICATION TABLE
| Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal | Line |
|---|---|---|---|
| ECM | Power management control ECU | Crankshaft position sensor signal | CAN/Serial communication |
| Combination meter | Power management control ECU | Vehicle speed signal | CAN/Serial communication |
| Steering lock ECU | Power management control ECU | Steering lock/unlock signal | LIN/Serial communication |
| Certification ECU | Power management control ECU | LIN master signal | LIN |
| Power management control ECU | Certification ECU | ID required signal | LIN |
| Key existence condition signal | CAN |