Hyundai Elantra HD: Sunroof Motor. Repair procedures - Sun Roof - Body Electrical System - Hyundai Elantra HD 2006–2010 Service ManualHyundai Elantra HD: Sunroof Motor. Repair procedures

Replacement

1.
Disconnect the negative (-) battery terminal.
2.
Remove the overhead console then remove the sun roof motor mounting screws (3EA). And then remove the sunroof motor after disconnecting the connector (10 Pin).
3.
Ground the terminals as below table, and check that the sunroof unit operates as below table.
4.
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.
Terminal
 Test condition
 Test : Desired result
3
 IG2 ON
 Check for voltage to ground :
There should be battery voltage
1
 Under all conditions
 Check for continuity to ground :
There should be continuity.
6
 Under 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;
A.
Tilt → Slide Open → Slide Close
Then release the lever.
6.
Reset procedure of panorama system is finished.
Protecting The Overheated Motor
In order to protect the overheated sunroof motor by continuous motor operation, the sunroof ECU controls the Run-time and Cool-time of motor as followings;
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 continuously operated motor stops operating after the 1st Run-time(120 ± 10sec.).
4.
And 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 continuously operated motor stops operating after the 2st Run-time(120 ± 10sec.)
7.
Motor is not operated for the 2st Cool-time(18 ± 2sec.).
8.
Motor repeats the 2nd Run-time and 2nd Cool-time at the continued motor operation.
A.
In case that motor is not operated continuously, the Run-time which is limited for protecting the overheated motor is increased.
B.
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.

Sunroof Switch. Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Open the sunglass case cover from the overhead console then remove the 2 sc ...