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Mazda CX-5 Service & Repair Manual: Electric Power Steering System

Mazda CX-5 Service & Repair Manual / Steering / Linkage, Power / Electric Power Steering System

Outline

Structural View


System Wiring Diagram


Purpose/Function

Construction

Operation

1. Steering force generated by the driver's steering wheel operation is detected by the torque sensor which is built in the steering column and shaft, and is output to the EPS CM as a steering torque signal.

2. The EPS CM calculates optimum assist force based on the steering torque signal from the torque sensor and the vehicle speed and engine speed signals from the PCM, and outputs electric current to drive the EPS motor.

3. The EPS motor is driven by the current from the EPS CM and the force is transmitted to the intermediate shaft via the reduction gears, thus assisting steering operation of the driver.


Electric Power Steering (Eps) Motor
Purpose, Function The EPS motor is driven by the control current from the EPS CM (control module) and generates assist torque to manual steering mechanism. Construction The EPS ...

Eps Control Module Inspection
1. Remove the driver-side front scuff plate.. 2. Remove the driver-side front side trim.. 3. Remove the car-navigation unit (with car-navigation system).. 4. Remove the switch panel.. 5. Remov ...

Other materials:

Starter [Skyactiv G 2.0]
Purpose, Function The starter rotates the crankshaft via the ring gear and it serves as a trigger to start the engine. Construction The starter is installed to the rear part of the engine on the left side. The starter is a coaxial reduction type which can obt ...

Intake Air Temperature (Iat) Sensor
IAT Sensor No.1 Purpose/Function Detects the IAT before it passes through the throttle body as basic information for mainly determining the fuel injection amount. Detects the IAT before it passes through the throttle body and inputs it to the PCM as an IAT signal. Constru ...

Cooling Fan Relay
Purpose, Function The cooling fan relay operates by receiving the signal from the PCM to supply power to the cooling fan motor. Construction The cooling fan relay is installed on the relay and fuse block. Operation The contact point is on when the battery vo ...

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