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Never open it.?
use bungee cords.?/ LOL
weak 12vdc to motor? (closing uses more friction)
jamming,?
limit switch failures. ?
does not close, what does that mean.
(not obvious) does the motor sound off. and stalls.> makes motor sound?
Sig: I must ask questions first, I'm blind, and my tools can't reach, dig?
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Please check that there isn't a walnut, leaves or some other substance stuck in the track where your sunroof moves over. Usually, if there is a blockage, the reversal that you've mentioned would happen. Thank you.
Sunroof Description and Operation (One Connector System)
Sunroof
This diagnostic procedure is to be used for the 1 connector Sunroof System that combines the sunroof control module with the sunroof motor/actuator.
The Sunroof System consists of the following components:
• BATT MAIN 2 Fuse 50 A
• Body control module (BCM)
• RAP relay
• S/Roof Fuse 20 A
• Sunroof module (includes sunroof motor/actuator)
• Sunroof switch
The Sunroof System is controlled by the sunroof switch and the sunroof motor/actuator assembly.
When the ignition is turned to RUN or ACCESSORY, or when the retained accessory power (RAP) system is active, the body control module (BCM) applies a ground to the RAP relay in the instrument panel (I/P) fuse block. This activates the RAP relay and allows battery positive voltage to be applied through the SUNROOF Fuse to the sunroof module. Ground for the sunroof module is supplied from G302.
The sunroof can be placed in 3 preset positions:
• Open
• Vent
• Closed
When the sunroof switch is placed in the OPEN position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof motor/actuator then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the full open position.
When the sunroof switch is placed in the VENT position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof module then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the VENT position.
When the sunroof switch is placed and held in the CLOSED position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch close signal circuit. The sunroof module then applies voltage to the sunroof motor close control circuit and applies a ground to the sunroof motor open circuit. The sunroof motor then closes the sunroof.
The sunroof can be placed in any preferred open position when:
• The sunroof is in the fully opened position by pressing and holding the sunroof switch in the CLOSE position until the panel has reached the desired position then release the CLOSE switch in order to stop the sunroof
• The sunroof is opening, it can be stopped by momentarily pressing either side of the switch.
The sunroof control module, sun roof actuator, and the sunroof motor are integral parts of the sunroof module assembly and are not service separately.
Your best bet , take it to a qualified repair shop or buick dealer .
HAVE SAME PROBLEM ON MY ALERO , WOULD CLOSE TO VENT POSITION ALL OTHER FUNCTIONS WORKED FINE. TALKED TO A MECH. FRIEND AND FOUND A WAY TO CLOSE MANUALLY BUT YOU DO HAVE TO DROP FRONT LEFT CORNER OF HEADLINER. THE MOTOR IS UNDER SUNVISOR AREA AND YOU'LL NEED AN ALLEN(SPELLING)SOCKET TO CLOSE ROOF
You must remove the electric drive motor located at the front of the sunroof under a plastic cover, then close the glass and reinstall the motor drive.
03 Jeep Liberty sunroof wont close. I have 4 sunroof buttons; Open, Close, Vent and ASC. Open and Vent buttons are working fine. Close button is not responding. ASC button is flashing red and green but does nothing when pushed. I have no way to get it closed
clean the runners on the sunroof watching out for trapped debris. try lubricating the runners with a fine lubricant with a clothe, make sure no debris caught in motor also.
some cars sunroof regulators come with a couple settings in sunroof
1 the 30 degree back tilt
2 half open stop sun roof
3 full open sunroof
these are common on sunroofs
now lets look at what could be the cause
bad regulator or needed greased gears
track needs to be cleaned which can stick the wheels down
most sunroofed vehicle regulators or gear boxes you will find in the trunk way up by the wheel wells in that little compartment tight to get out
also there should be a manual crank for sunroof placed somewhere in vehicle i know for my bmw it was back in the trunk on the gear box you will have to call dealer or look in manual to find sunroof manual crank and how to close
recommend taken to the closes dealer and have them service your sunroof mechanicals and have it cleaned up
sunroofs like cars needs to be cleaned on a certain milelage interval so that it will work for a long time
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