Kia Forte: Motor Driven Power Steering / MDPS Column and Housing

Kia Forte 2019-2025 (BD) Service Manual / Steering System / Motor Driven Power Steering / MDPS Column and Housing

Repair procedures

Removal

1.	Remove the steering column and shaft assembly. (Refer to Motor Driven Power Steering - "Steering Column and Shaft")

2.	Remove the MDPS control unit. (Refer to Motor Driven Power Steering - "MDPS Control Unit")

3.	Remove the MDPS motor. (Refer to Motor Driven Power Steering - "MDPS Motor")

Installation

1.	Install in the reverse order of removal.

2.	Perform the "Steering Angle Sensor (SAS) Calibration" and "Set the steering feel torque to zero".

3.	Perform the "EPS Type Recognition".

Diagnosis with KDS

Steering Angle Sensor (SAS) Calibration and Set the steering feel torque to zero

•	Check that the battery is fully charged before "Steering Angle Sensor (SAS) Calibration".

•	Be careful not to disconnect any cables connected to the vehicle or scan tool during "Steering Angle Sensor (SAS) Calibration".

•	After completing the "Steering Angle Sensor (SAS) Calibration", switch off the ignition and wait for several seconds. Then, start the engine to confirm normal operation of the vehicle.

1.	Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.

2.	Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen.

3.	Select the "Steering Angle Sensor (SAS) Calibration" on KDS screen, then select OK.

4.	Proceed with the test according to the screen instructions.

5.	Select the "Set the steering feel torque to zero" on KDS screen, then select OK.

6.	Proceed with the test according to the screen instructions.

7.	Remove the DTC.

8.	Turn off the IG switch and wait for 10 seconds or more before starting the engine. And then make sure that MDPS works properly.

EPS Type Recognition

•	Check that the battery is fully charged before "EPS Type Recognition".

•	Be careful not to disconnect any cables connected to the vehicle or scan tool during "EPS Type Recognition".

•	After completing the "EPS Type Recognition", switch off the ignition and wait for several seconds. Then, start the engine to confirm normal operation of the vehicle.

1.	Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.

2.	Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen.

3.	Select the "EPS Type Recognition" on KDS screen, then select OK.

4.	Proceed with the test according to the screen instructions.

5.	Remove the DTC.

6.	Turn off the IG switch and wait for 10 seconds or more before starting the engine. And then make sure that MDPS works properly.

MDPS Control Unit

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Steering Column and Shaft

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