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Hyundai Equus: Repair procedures - Electro Hydraulic Power Steering - Steering System - Hyundai Equus VI 2009-2019 Service ManualHyundai Equus: Repair procedures

Replacement
1.
Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
2.
Turn the steering wheel so that the front wheels can face straight ahead.
3.
Remove the airbag module.
(Refer to Restraint - "Airbag Module")
4.
Loosen the lock nut.

5.
Remove the steering wheel (A) from the steering column shaft by using a SST (09561-11001).

   
Do not hammer on the steering wheel to remove it; it may damage the steering column.
6.
Loosen the screw and then remove the steering column shroud (A).

7.
Disconnect the connector and then remove the clock spring (A).

   
When assembling set the center position by setting the marks between the clock spring and the cover into line. Make an array the mark (xx) by turning the clock spring clockwise to the stop and then 2.0 revolutions counterclockwise.
8.
Loosen the screw and then remove the multifunction switch (A).

9.
Loosen the screw and then remove the crash pad lower panel (A).
(Refer to Body - "Crash Pad")

10.
Loosen the nut and then remove the lower panel bracket (A).

11.
Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box.

Tightening Torques :
32.0 ~ 37.0 N.m(3.3 ~ 3.8 kgf.m, 24.0 ~ 27.4 lb-ft)

   
Х Keep the neutral-range to prevent the damage of the clock spring inner cable when you handle the steering wheel.
Х Change to the New bolt when assembling
12.
Loosen the nuts and then remove the steering column dust cover (A).

13.
Disconnect all connectors connected to the steering column assembly.
14.
Remove the steering column assembly by loosening the mounting bolts and nuts.

Tightening torque :
13 ~ 18N.m (1.3 ~ 1.8kgf.m, 9 ~ 13lb-ft)

15.
Installation is the reverse of the removal.
   
When installing the clock spring, refer the RT group to prevent the damage of clock spring inner cable.
Inspection
Caution when EHPS type recognition
1.
1. Check if the battery is fully charged before EHPS type recognition.
2.
2. Be careful not to disconnect any cables connected to the vehicle or scan tool during EHPS type recognition
3.
3. When the EHPS type recognition is completed, turn the ignition switch off and wait for several seconds, then start the engine to confirm normal operation of the vehicle
EHPS Type Recognition Procedure
1.
1. Select "EPS Variant Coding".
2.
2. Proceed with the test according to the screen introductions.

    Schematic Diagrams
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