Kia Cadenza YG: Panoramaroof / Panoramaroof Motor Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Panoramaroof / Panoramaroof Motor Repair procedures

Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the roof trim.
(Refer to Body - "Roof Trim")
3.
Disconnect the panoramaroof motor (A) connector.

4.
Ground the terminals as below table, and check that the panoramaroof unit operates.
   
–
When inspecting the panoramaroof motor operation, panoramaroof 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 panoramaroof 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.

6.
Ground the terminals as below table, and check that the roller blind motor operates.

Resetting The Panoramaroof
Whenever the vehicle battery is disconnected or discharged, or you use the emergency handle to operate the panoramaroof, you have to reset your panoramaroof system as follows :
1.
Turn the ignition key to the ON position and then close the panoramaroof completely.
2.
Release the panoramaroof control lever.
3.
Press and hold the CLOSE button for more than 10 seconds until the panoramaroof has moved slightly.
4.
Release the panoramaroof control lever.
5.
Press and hold the CLOSE button once again within 3 seconds until the panoramaroof do as follows;
•
Tilt → Slide Open → Slide Close
Then release the lever.
6.
Reset procedure of panorama system is finished.
Protecting Motor From Overheating
In order to protect the panoramaroof motor from overheating from continuous motor operation, the panoramaroof ECU controls the Run-time and Cool-time of the motor as follows:
1.
The panoramaroof 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.

    Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the overhead console lamp assembly. (Refer to Body - "Roof Trim") 3. Check for continuity between the terminals.

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