KIA Niro: Steering Column and Shaft Repair procedures
Replacement
Warning
- 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 terminal.
- Turn the steering wheel so that the front wheels are facing straight ahead.
- Remove the steering column shroud lower panel.
(Refer to Body - "Steering Column Shroud Panel")
- Remove the crash pad lower panel.
(Refer to Body - "Crash pad lower panel")
- Remove the knee airbag (KAB) module.
(Refer to Restraint - "Knee Airbag (KAB) Module")
- Disconnect the MDPS ECU connectors (A).
- Loosen the steering column lower mounting bolt (A).
Tightening torque : 53.9 - 58.8 N*m (5.5 - 6.0 kgf*m, 39.8 - 43.4 lb*ft)
- Loosen the steering column upper mounting nuts (A) and then disconnect the steering column & shaft.
Tightening torque : 24.5 - 29.4 N*m (2.5 - 3.0 kgf*m, 18.1 - 21.7 lb*ft)
- Remove the motor (A) by loosening the bolts and then replace the new one.
Tightening torque : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)
Warning
- 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.
- Be sure to check the last two digits of the constant in the
barcode of new MDPS motor before replacing the motor.
- Perform the "Inputting the motor constant value" by KDS following in the order below.
(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 "Part replacement (Power steering Motor)" on KDS screen, then select OK
(4) Proceed with the test according to the screen instructions.
Warning
Entering incorrect motor constant value may cause a serious problem in the MDPS.
- Perform the "Steering Angle Sensor (SAS) Calibration" and "Set the steering feel torque to zero".
- Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.
Diagnosis with KDS
READ NEXT:
Steering Angle Sensor (SAS) Calibration | Part replacement (Power steering ECU)
Warning
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) Calibr
Steering Angle Sensor (SAS) Calibration and Set the steering feel torque to
zero
Diagnosis with KDS
Warning
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 Sens
SEE MORE:
Hybrid Motor System
Specifications
Hybrid Drive Motor
Hybrid Starter Generator (HSG)
Electric Water Pump (EWP)
Coolant
Tightening Torques
Special Service Tools
Tool Name /
Number/
Illustration / Description
Pressure cap
pressure
checke
Virtual Engine Sound System (VESS)
Virtual Engine Sound System (VESS) / Components And Components
Virtual engine sound unit & speaker assembly
Description
The VESS (Virtual engine sound system) generates engine sound when you start
the EV system.
This sound is fo
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