That control module will sense the position of the steering wheel , note which direction the steering wheel is turning, and how fast is is being turned. Also, the control module senses the speed of the vehicle, angle of headlights, and many other factors relating to driver control of the vehicle.
How much does it cost to fix EPS?
The general guide for most power steering pump replacements is around $200 to $350 . It might cost you more depending on the type of car you drive and how much labor is involved. This price does include the cost of the part as well as the cost of labor.
What is the function of the power steering control module?
The EPS control module (CM) calculates the optimum assist current based on the steering torque signal from the torque sensor installed to the steering column and the vehicle speed signal sent via CAN transmission from the PCM . The following steering angle signals are output via CAN communication.
How do you change a power steering control module?
- Materials Needed. ...
- Step 1: Disconnect the vehicle’s battery. ...
- Step 2: Remove the steering column from the steering box. ...
- Step 3: Remove the steering column covers. ...
- Step 4: Remove the steering wheel. ...
- Step 5: Remove the dashboard.
What does a steering ECU do?
The EPS electronic control unit (ECU) calculates the assisting power needed based on the torque being applied to the steering wheel by the driver, the steering wheel position and the vehicle’s speed . The EPS motor rotates a steering gear with an applied force that reduces the torque required from the driver.
What happens if electric steering fails?
In a power steering system, movements made on the steering wheel cause fluid pressure inside the hydraulic pump to move to one side or the other of the pump. ... When the power steering fails, the wheels of the car become exponentially more difficult to turn .
Can I drive my car if the EPS light is on?
For cars with electric power steering, the light may say EPS, for electric power steering. ... With the light illuminated, you won’t have power assist to help you steer. You will still be able to drive , but the steering wheel will be very difficult to turn, so you will need to be extra careful when driving.
What causes EPS to fail?
Today’s electronic power steering systems may fail due to issues with the mounted electric motor. In particular, excessive heat on the motor is likely to cause the failure modes. Infiltration of the system environment by water, dirt, or other contaminants will also likely lead to EPS failure.
Is it safe to drive without EPS?
While it is technically possible to drive the car with a failing electric power steering system, it is not going to get any better . The vehicle will need to be serviced as soon as possible. The module is still pulling excess power from the battery and robbing the rest of the vehicle.
How do I reset my electronic power steering?
Turn ignition switch OFF, and turn ignition switch ON. The EPS indicator comes on for about 6 seconds. Within 4 seconds of turning the switch ON, while the EPS indicator is on, turn the steering wheel 45° to left from straight ahead driving position, and hold steering wheel in position until EPS indicator goes off.
How much does it cost to fix the power steering?
The average cost to repair a power steering pump is somewhere between $200 and $350 . To replace the power steering pump with a new part, it will cost between $400 and $800 (depending on car model and what shop you take it to).
Is it bad to drive without power steering?
Yes, you can drive without power steering , however, that does not mean you should! ... Driving without power steering for a long time can also damage your pump which be a lot more expensive to repair. Driving without power steering means parking and quick steering become extremely difficult.
Does the ECU control power steering?
Essentially, the electric power steering system is comprised of four main components: ... Electric Motor – The ECU controls this components direction and the amount of assisting force it will generate from its position on either the steering rack or steering column.
What are the disadvantages of electric power steering?
- Cost. Electric power steering systems improve auto efficiency and safety. ...
- Home Repair. A disadvantage common to electronic car parts is they can’t be repaired without specialized diagnostic equipment and advanced tools. ...
- Upgrading.
Is hydraulic steering better than electric?
Electric power steering provides better fuel economy
This method reduces the amount of weight in the vehicle. Also, the EPS system doesn’t use power from the engine as the hydraulic systems do. Overall, the electric power steering system is more efficient .
