With Smart Key System:: 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.
COMMUNICATIONS CHART
| 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) | CAN --> BEAN |
| ECM | A/C ECU | 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 | CAN |
| Skid control ECU | ECM | Ignition retard angle request signal | CAN |
| Skid control ECU | ECM | Engine torque reduction request signal | CAN |