Repair procedures: Replacement

NOTE:

When a DTC related to MDPS motor occurs, check the connectors and wiring. If no problem is found, replace the motor.
Be sure to check the last two digits of the constant in the barcode of new MDPS motor before replacing the motor.
Entering incorrect motor constant value may cause a serious problem in the MDPS.

Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
Remove the crash pad lower panel.
(Refer to Body - "CRASH PAD ")
Loosen the screw and then remove the shower tilt (A).

Fig 1: Locating Shower Tilt With Screw
Courtesy of KIA MOTORS AMERICA, INC.
After loosening the mounting screws, then remove the steering column shroud lower panel (A).

Fig 2: Locating Steering Column Shroud Lower Panel With Mounting Screws
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the MDPS ECU connector (A).

Fig 3: Locating MDPS ECU Connector
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: MDPS ECU Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect all connectors connected the steering column & EPS unit assembly.
Remove the steering column & EPS unit assembly by loosening the mounting bolt (A) and nuts (B).
Tightening torque:

Nut: 12.7 - 17.7 N.m (1.3 - 1.8 Kgf.m, 9.4 - 13.0 lb.ft)

Bolt: 44.1 - 49.0 N.m (4.5 - 5.0 Kgf.m, 32.5 - 36.2 lb.ft)

Fig 5: Locating Steering Column & EPS Unit Assembly Nuts
Courtesy of KIA MOTORS AMERICA, INC.

Fig 6: Locating Steering Column & EPS Unit Assembly Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
NOTE:
- Be careful not to damage the driver's seat when replacing the MDPS motor.
- Be careful not to damage the MDPS motor & ECU.
- If shock the motor, may occurs a noise caused by the bearing damage of motor inside.
Disconnect the MDPS ECU connector (A).

Fig 7: Locating MDPS ECU Connector
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the bolts (A) and then remove the MDPS ECU (B).

Fig 8: Locating MDPS ECU And Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the MDPS motor bolts and then remove the MDPS motor.

Fig 9: MDPS Motor Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Install in the reverse order of removal.
Perform the "Inputting the motor constant value" by GDS following in the order below.
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. Select the "vehicle model" and "EPS system" on GDS vehicle selection screen.
4. Select the "Part exchange (Power steering Motor)".
  
  Fig 10: Screen Display - Vehicle S/W Management
  Courtesy of KIA MOTORS AMERICA, INC.
5. Follow the instructions shown on the screen.
  
  Fig 11: Screen Display - Part Exchange (Power Steering Motor)
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 12: Screen Display - Part Exchange Procedures (Power Steering Motor)
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 13: Screen Display - Motor Constant Value
  Courtesy of KIA MOTORS AMERICA, INC.
  
  NOTE: Entering incorrect motor constant value may cause a serious problem in the MDPS.
6. Insert the VIN number and then select the "Write" in order to the ECU information save.
Fig 14: Screen Display - VIN Number
Courtesy of KIA MOTORS AMERICA, INC.
Conduct the "ASP Calibration" by GDS.
(Refer to MDPS Motor - "DIAGNOSIS WITH GDS ")
Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.