Hyundai Venue: Motor Driven Power Steering / MDPS Motor. Repair procedures

Hyundai Venue (QX) (2020-2024) Service Manual / Steering System / Motor Driven Power Steering / MDPS Motor. Repair procedures

Replacement

Turn the steering wheel so that the front wheels are placed in the straight ahead position.

•	If the steering wheel and the front tires are not set straight ahead together, it may affect the number of circulation of steering wheel and damage the cable inside the clock spring.

Turn the ignition switch OFF and disconnect the battery negative (-) cable.

•	Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.

3.	Remove the steering column shroud upper panel. (Refer to Body - "Steering Column Shroud Upper Panel")

4.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad")

5.	Disconnect the MDPS ECU connectors (A).

6.	Disconnect the ignition switch connector (A).

7.	Remove the fixed clip (A) and then remove the wiring from the steering column.

Loosen the mounting nut (A) and bolt (B) and leave the steering column and EPS unit assembly lie on the vehicle's floor.

Tightening torque

(A) : 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

(B) : 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)

Hyundai Venue. MDPS Motor. Repair procedures

9.	Remove the motor (A) by loosening the bolts.

10.

Apply the grease at the new MDPS motor.

(1)

Squeeze out grease as much as quantity of stamdard.

Type : Multemp MM-V

P/N : YSBB0-91105FFF

Quantity : 0.7-1.2g (About 50 mm (0.1979 in))

Hyundai Venue. MDPS Motor. Repair procedures

(2)	Apply the grease at the serration by stick or (-) driver.

(3)

Make sure the grease and then reassembly the motor.

Hyundai Venue. MDPS Motor. Repair procedures

•	Must be applied the standard grease. If not, may occur the noise.

11.

Install the MDPS motor.

Tightening torque :

14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 15.9 lb-ft)

12.	Install in the reverser order of removal.

13.	Conduct the "EPS Type Recognition" by Diagnostic tool. (Refer to MDPS Motor - "Diagnosis with Diagnostic tool")

14.	Conduct the "SAS Calibration" by diagnostic tool. (Refer to MDPS Motor - "Diagnosis with Diagnostic tool")

15.

Check the DTC.

•	If continue a trouble, replace the MDPS control unit.

16.	Turn off the IGN switch and wait for 20 seconds or more. Then check the operation after starting the engine.

Diagnosis with Diagnostic tool

EPS Type Recognition

•	When missing the EPS Type Recognition, occure a problem with motor driven power steering performance.

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 diagnostic tool vehicle selection screen.

5.	Remove the DTC.

Turn off the IG switch and wait for 20 seconds or more before starting the engine. And then make sure that MDPS works properly.

SAS Calibration

–	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 (diagnostic tool) check if the battery voltage is proper before perform the "SAS Calibration".

•	Make sure that no connector engaged to the vehicle or scan tool is disconnected during the "SAS Calibration".

•	Once the "SAS Calibration" is complete, turn off the IG switch and wait for 10 seconds or more before starting the engine to check the operation.

SAS 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 "SAS Calibration" on diagnostic tool 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.

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