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 "REPAIR PROCEDURES ")
After loosening the mounting screws, then remove the steering column shroud lower panel (A).

Fig 1: Steering Column Shroud Lower Panel
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect all connectors connected to the steering column.
Remove the steering column & EPS unit assembly by loosening the mounting bolt (B) and nuts (A).
Tightening Torque:

Nut: 2.7 - 17.7 N.m (1.3 - 1.8 kgf.m, 9.4 - 13.0 lb.ft)

Bolt: 29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lb.ft)

Fig 2: EPS Nuts
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: EPS Bolt
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the MDPS motor bolts and then remove the MDPS motor.
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.
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 4: Screen Display - Selecting Part Exchange
  Courtesy of KIA MOTORS AMERICA, INC.
5. Follow the instructions shown on the screen.
  
  Fig 5: Screen Display - Function Screen
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 6: Screen Display - Procedure
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 7: Screen Display - New Motor Constant Value
  Courtesy of KIA MOTORS AMERICA, INC.
  
  NOTE: Entering incorrect motor constant value may cause a serious problem in the MDPS.
Conduct the "ASP Calibration" by GDS.
(Refer to "DIAGNOSIS WITH GDS ")
Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.