Kia Picanto: Motor Driven Power Steering / MDPS ECU

Kia Picanto JA 2017-2025 Service & Repair Manual / Steering System / Motor Driven Power Steering / MDPS ECU

Repair procedures

Replacement

1.	Disconnect the battery negative cable.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash pad lower panel")

3.	Disconnect the MDPS ECU connector.

4.	Loosen the bolts and then remove the MDPS ECU.

5.	Installation is the reverse of the removal.

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

7.	Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.

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.

MDPS Motor

Repair procedures Replacement 1. Disconnect the battery negative cable. 2. Remove the crash pad lower panel. (Refer to Body - "Crash pad lower panel") 3. Disconnect the MDPS ECU connector. ...

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 Moto ...

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