Hyundai Accent: Sun Roof / Sunroof Motor

Hyundai Accent (HC) (2017 - 2022) Service Manual / Body Electrical System / Sun Roof / Sunroof Motor

- Inspection

1.Disconnect the negative (-) battery terminal.

2.Remove the roof trim.(Refer to Body - "Roof Trim")

3.Disconnect the sunroof motor connector.

4.Ground the terminals as below table, and check that the sunroof unit operates.

   

• When inspecting the sunroof motor operation, sunroof motor and roller blind motor always should be connected.

5.Make these input tests at the connector. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, the sunroof motor must be faulty; replace it.

TerminalTest
condition
Test : Desired result
3IG2 ONCheck for voltage to ground :
There should be battery voltage.
1Under all
conditions
Check for continuity to ground :
There should be continuity.
6Under all
conditions
Check for voltage to ground :
There should be battery voltage.

- Resetting the Sunroof Whenever the vehicle battery is disconnected or discharged, or you use the emergency handle to operate the sunroof, you have to reset your sunroof system as follows :

1.Turn the ignition key to the ON position and then close the sunroof completely.

2.Release the sunroof control lever.

3.Press and hold the CLOSE button for more than 10 seconds until the sunroof closed and it has moved slightly.

4.Release the sunroof control lever.

5.Press and hold the CLOSE button once again within 5 seconds until the sunroof do as follows;

• Tilt → Slide Open → Slide CloseThen release the lever.

6.Reset procedure of panorama system is finished.

Protecting Motor From Overheating In order to protect the sunroof motor from overheating from continuous motor operation, the sunroof ECU controls the Run-time and Cool-time of the motor as follows:

1.The sunroof ECU detects the Run- time of motor

2.Motor can be operated continuously for the 1st run-time (120 ± 10sec.).

3.The continuous operation of motor stops after the 1st Run-time (120 ± 10sec.).

4.Then Motor is not operated for the 1st Cool-time (18 ± 2sec.).

5.Motor is operated for the 2nd Run-time (10 ± 2sec.) at the continued motor operation after 1st Cool-time (18 ± 2sec.)

6.The continuous operation of motor stops operating after the 2nd Run-time (10 ± 2sec.)

7.Motor is not operated for the 2nd Cool-time (18 ± 2sec.).

8.Motor repeats the 2nd run-time and 2nd cool-time at the continued motor operation.

– In case that motor is not operated continuously, the run-time is increased.

– The Run-Time of motor is initialized to "0" if the battery or fuse is reconnected after being disconnected, discharged or blown.

T1 : 120 ± 10 sec., T2 : 18 ± 2 sec.,T3 : 10 ± 2 sec., T4 : 18 ± 2 sec.

Sun Roof

Rear Glass Defogger

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: General Information

- General Troubleshooting Information Before Troubleshooting 1.Check applicable fuses in the appropriate fuse/relay box. 2.Using the battery checker (MCR-570 KIT), check the battery for damage, state of charge, and clean and tight connections.(Refer to Engine Electrical System - "Battery")     • Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Parking Brake Cable

- Removal [Rear Disc Brake Type] 1.Disconnect the negative (-) battery cable. 2.Release the parking brake. 3.Remove the floor console assembly. (Refer to Body - "Floor Console") 4.Disconnect the connector of parking brake switch. 5.Remove the parking brake switch. 6.Remove the parking brake cable after loosening the nut (A). 7.Loosen the wheel nuts slightly.

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