Kia Sportage: Electric Power Steering / MDPS ECU Repair procedures

Kia Sportage QL (2015-2025) Service Manual / Steering System / Electric 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 (A).

4.
Loosen the bolts and then remove the MDPS ECU (A).

5.
Installation is the reverse of the removal.
6.
Conduct the "ASP Calibration" and "EPS Type Recognition" by GDS.
(Refer to MDPS motor - "Diagnosis with GDS")
7.
Remove the DTC.
8.
Turn off the IGN switch and wait for 20 seconds or more. Then check the operation after starting the engine.
Diagnosis with GDS
Steering-angle sensor detects the steering angle and steering angle speed. Steering angle and steering angle speed are used for steering wheel damping and return controls in addition to providing assistance torque.
  
You can use a scan tool to (GDS) check if the battery voltage is proper before perform the "ASP Calibration".
Make sure that no connector engaged to the vehicle or scan tool is disconnected during the "ASP Calibration".
Once the "ASP Calibration" is complete, turn off the IG switch and wait for 10 seconds or more before starting the engine to check the operation.
ASP Calibration procedures
1.
Connect self - diagnosis connector (16pins) located in the lower of driver side crash pad to self - diagnosis device.
2.
Turn the self - diagnosis device after key is ON.
3.
Turn the steering wheel to straight ahead position.
4.
After Selecting the "vehicle model" and "system", select the "ASP Calibration" on GDS vehicle selection screen.

EPS Type Recognition
  
When missing the EPS Type Recognition, occure a problem with motor driven power steering performance.
You can use a scan tool to (GDS) check if the battery voltage is proper before perform the "EPS Type Recognition".
Make sure that no connector engaged to the vehicle or scan tool is disconnected during the "EPS Type Recognition"..
Once the "EPS Type Recognition" is complete, turn off the IG switch and wait for 10 seconds or more before starting the engine to check the operation.
EPS Type Recognition procedures
1.
Connect self - diagnosis connector (16pins) located in the lower of driver side crash pad to self - diagnosis device.
2.
Turn the self - diagnosis device after key is ON.
3.
Turn the steering wheel to straight ahead position.
4.
After Selecting the "vehicle model" and "system", select the "EPS Type Recognition" on GDS vehicle selection screen.

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 Motor Repair procedures
Replacement 1. Disconnect the battery negative cable. 2. Remove the crash pad lower panel. (Refer to Body - "Crash pad low ...

Steering Wheel
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