| Sensor |
Wheel speed sensor (ABS-ECU or ASC-ECU) |
Sends the vehicle speed signal to the electric power steering-ECU. |
| Torque sensor |
Detects a steering force, converts it into the voltage signal, and then sends the signal to the electric power steering-ECU. |
| Actuator |
Motor |
Generates assist torque by the steering operation to the steering gear using the signals sent from the electric power steering-ECU. |
| Motor angle sensor |
Detects the motor angle and sends the signal to the electric power steering-ECU. |
| Electric power steering warning light |
Warns a driver of the system malfunction using the signal sent from the electric power steering-ECU. |
| Electric power steering-ECU |
Control the actuator (motor) based on the signal sent from sensor. |
| Controls the self-diagnostic function and fail-safe function. |
| Controls diagnostic function (Compatible with scan tool). |