System Diagram
WARNING: This page is about a different car, the 2008 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Communication table:
COMMUNICATION REFERENCE
| Transmitting ECU (transmitter) |
Receiving ECU |
Signals |
Communication Method |
| ECM |
Combination meter ECU |
- CRUISE indicator operation signal
|
- CAN
- BEAN (Instrument Panel Bus)
|
| ECM |
TCM |
- Shift up/down request signal
|
CAN |
| TCM |
ECM |
|
CAN |