Circuit Description
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
The combination meter is connected to ECM, the Clearance Sonar ECU, the A/C ECU and the overhead J/B with the multiplex communication circuit.
It receives the signals of the radio cruise control, the clearance sonar, the outside temperature and the compass direction from each ECU to display the adaptive laser radar cruise control, the clearance sonar, the outside temperature and the compass.