System Diagram
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Communication Table:
COMMUNICATION TABLE
| Sender |
Receiver |
Signal |
Line |
| ECM |
Combination Meter ECU |
CRUISE main indicator operation signal |
BEAN (Instrument Panel Bus) |