Hyundai Genesis (DH): Parking Brake System / Electric Parking Brake (EPB) Repair procedures

Hyundai Genesis (DH) 2013-2016 Service Manual / Brake System / Parking Brake System / Electric Parking Brake (EPB) Repair procedures

Removal
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the rear tire and wheel.
Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
3.
Remove the rear disc brake.
(Refer to Brake System - "Rear Disc Brake")
4.
Remove the wheel speed sensor (A) by loosening the mounting bolt.
Tightening torque :
6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)

5.
Remove the parking brake cable (B).
(1)
After removing the bolt (A).
Tightening torque:
6.9 ~ 10.8N.m (0.7 ~ 1.1kgf.m, 5.1 ~ 8.0lb-ft)

(2)
Remove the clip (A) and then lift up the cable guide spring (B).

(3)
Remove the parking brake cable by pushing it in the arrow direction.
6.
Remove the shock absorber mounting bolt.
Tightening torque:
137.3 ~ 156.9 N.m (14.0 ~ 16.0 kgf.m, 101.3 ~ 115.7 lb-ft)

7.
After making a match mark (C) on the rubber coupling (A) and rear differential companion (B), remove the propeller shaft mounting bolts (D).

   
1.
When retightening the propeller shaft mounting bolts after removing them, each bolt and washer must be placed in its original position and bolt insertion direction must be the same as before, so make marks not to allow the bolts and washers to be mixed up before removing the propeller shaft.
2.
If the position and direction of the propeller shaft mounting bolts and washers are reversed, it may cause vibration and noise at high vehicle speeds due to imbalance in the propeller shaft.
3.
If abnormal vibration and noise occur at high vehicle speeds after replacing propeller shaft with a new one, balance the propeller shaft with a balancing machine.
8.
Remove the rear cross member.
(Refer to Suspension System -"Rear Suspension System")
9.
Disconnect the EPB connector.

10.
Separate the parking cable by loosening the bracket bolt.
Tightening torque :
8.8 ~ 13.7 N.m (0.9 ~1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

11.
Remove the EPB module.
Tightening torque :
8.8 ~ 13.7 N.m (0.9 ~1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

Installation
1.
Install in the reverse order of removal.
2.
Adjust the rear brake shoe clearance.
(1)
Remove the plug from the disc.

(2)
Rotate the toothed wheel of adjuster by a screw driver until the disc is not moving, and then return it by 6 notches in the opposite direction.
3.
Check that the brake operates normally by pushing the EPB switch more than 3 times after installing the EPB module.
A.
The parking brake indicator lamp must be on when the parking brake pedal is depressed and must be off when the pedal is released.
B.
Must be held on 30% uphill
C.
No brake drag after the parking brake is released.
Inspection
Actuation Test
1.
Connect the GDS to the data link connector located underneath the dash panel.
1.
Perform the item selection and operation according to the instructions on the GDS screen.
(1)
Select vehicle name.
(2)
Select EPB.
(3)
Select Actuation Test.

    Schematic Diagram 1. Circuit diagram 2. Connector terminal information TerminalDescriptionCurrent (m/A) MAXMIN1Battery (+)12.5-2Battery12.5-3Parking brake switch20-4---5---6Electric parking brake switch signal 41057Electric parking brake switch signal 31058C-CAN LOW30209---10---11IGN20512---13---14Electric parking brake switch signal 210515Electric parking brake switch signal 110516C-CAN HIGH302017Ground12.

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