System Diagram
WARNING: This page is about a different car, the 2006 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- Without Smart Key System:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- With Smart Key System:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- COMMUNICATION WITH OTHER COMPUTERS
- COMMUNICATIONS
- The ECM communicates with the following ECU using the signals listed below. The following table explains receiving and sending signals by the ECM or ECU.COMMUNICATION LINE REFERENCE
Transmitter Receiver Signal Communication Line ECM Front Controller Radiator cooling fan control signal CAN --> BEAN ECM A/C ECU A/C control signal (compressor control for turning off)
A/C and engine co-operation control signal (compressor control for deceleration)CAN --> BEAN A/C ECU ECM Idle up request signal BEAN --> CAN Skid control ECU ECM Throttle closing request signal
Ignition retard angle request signal
Engine torque reduction request signalCAN
- The ECM communicates with the following ECU using the signals listed below. The following table explains receiving and sending signals by the ECM or ECU.