Steering System
MDPS Motor Repair Procedures
In this manual: Steering System
22steps
~132min
4/5difficulty
Done 0 of 22
REPLACEMENT
- Disconnect the negative battery cable from the battery, then wait for at least 30 seconds.
- Remove the lower airbag panel. (Refer to Body - "Lower Instrument Panel")
- Separate the upper shield, then remove the lower shield (A) by removing 3 bolts.

- Disconnect the multifunction switch connector (A).

- Disconnect the rotary switch connector.

- Disconnect the connector as shown in the illustrations below.



- Remove the wiring fixing clip (A) from the bracket and disconnect the motor connector.

- Remove the clip attached to the steering column wiring.



- Remove the steering column by loosening the mounting bolt (B) and nut (A). Tightening torque Nut: 25.0 ~ 29 N·m Bolt: 44.1 ~ 49 N·m


- Remove the MDPS motor.

- Apply grease to the new MDPS motor.
- Remove more grease than usual. Type: Multi-purpose MM-B, Part No. YSBB0-91105FFF. Quantity: 0.7–1.2 g (approx. 50 mm (0.1979 in.))

- Apply grease to the teeth using a stick or screwdriver (-).

- Be sure to grease and assemble the motor.

- Remove more grease than usual. Type: Multi-purpose MM-B, Part No. YSBB0-91105FFF. Quantity: 0.7–1.2 g (approx. 50 mm (0.1979 in.))
- Install the MDPS motor.
Tightening Torque: 14.7 – 22 N·m

- To install, perform the removal procedure in reverse order.
- Perform the "ASP Calibration". (Refer to MDPS System - "Diagnosis by GDS").
- Check the diagnostic trouble code.
- Turn the ALL switch off and wait 20 seconds or more. Then check operation after starting the engine.
Diagnosis with GDS
- The steering wheel angle sensor detects the steering wheel angle and its angular speed. The steering wheel angle and its speed are used for steering wheel damping and return in addition to the assist torque.
ASP Calibration Procedure
- Connect the self-diagnosis connector (16-pin), located at the bottom of the driver's side crash pad, to the self-diagnosis tool.
- Activate the self-diagnosis tool after turning the ignition on with the key button.
- Turn the steering wheel in a straight line.
- After selecting "Vehicle Model" and "System", select "ASP Calibration" on the GDS vehicle selection screen.


- Erase the trouble code.
- Turn the ALL switch off and wait at least 10 seconds before starting the engine. Then check that the MDPS operates correctly.
Test yourself
A quick Hyundai Tucson quiz: every answer comes with an explanation and a link to the manual page.
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