Question about 1987 Mercedes-Benz Mercedes Benz 190 Class

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Where is sunroof motor on a 1987 190e - 1987 Mercedes-Benz Mercedes Benz 190 Class

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Hello ,the sunroof motor is located on the left side of the trunk ,you must remove the plastic cover and you will access to it ,just under the electric power antenna ,you can insert a box spanner to close it in case of emergency

regards Andrew

Posted on Oct 31, 2009

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Sunroof does not open. Fuse is ok and the shade operates normally.


Do you know how to do automotive electrical testing ?????? How to read a wiring diagrams ???? http://www.bbbind.com/free_tsb.html .Videos on youtube Ohms Law Tech Tip from L1 with Dave Hobbs Copy of Voltage Drop Essentials TST Motor Age The only way to find the problem , testing !

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 .

Feb 10, 2017 | 2010 Buick LaCrosse CXS

1 Answer

My 1999 Jeep Grand Cherokee Limited sun roof does not want to open.


If your motor is audible and your fuses and connectors are okay, you may have to take a close look at the plastic gear parts up in the roof. The nylon parts do wear out since they are in the roof and more exposed to different temperatures. If any of that mechanism fails then your sunroof will stop working even if the motor is still good. It is a bit of a PITA to get to it since you will have to remove the headliner to get at the mechanism and then identify the worn part and replace it CAUTION: The sunroof system is timed from the factory so that the motor shuts off automatically when the sunroof window reaches a certain position. Extreme care must be taken when removing the motor, timing may be thrown off causing possible damage to the sunroof system. Anytime the motor is removed from the sunroof assembly the sunroof glass panel must be in the FULLY CLOSED POSITION or the unit will be out of timing. The drive motor cannot be reset to the park position after being removed.
CAUTION: The sunroof motor should only be powered through the vehicle battery and sunroof wire harness. Applying power to the sunroof motor leads will cause failure of the control module.
Move glass panel to the fully closed position.
Move glass panel to the fully closed position.
Remove the A-pillar trim. (Refer to 23 - BODY/INTERIOR/A-PILLAR TRIM - REMOVAL)
Remove the B-pillar upper trim. (Refer to 23 - BODY/INTERIOR/B-PILLAR UPPER TRIM - REMOVAL)
Remove the C-pillar trim. (Refer to 23 - BODY/INTERIOR/C-PILLAR TRIM - REMOVAL)
Remove the D-pillar trim. (Refer to 23 - BODY/INTERIOR/D-PILLAR TRIM - REMOVAL)
Remove the sunvisors. (Refer to 23 - BODY/INTERIOR/SUN VISOR - REMOVAL)
Remove the overhead console. (Refer to 8 - ELECTRICAL/OVERHEAD CONSOLE - REMOVAL)
Disconnect the control switch wire connector.
Remove headliner as necessary to gain access to sunroof drive motor. Refer to Headliner Removal and Installation for proper procedures.
Disconnect the drive motor wire harness connectors (Sunroof Drive Motor and Express Module).
Remove drive motor fasteners and remove motor from the sunroof housing

Sep 29, 2016 | 1999 Jeep Grand Cherokee Limited

2 Answers

Sunroof won't close automatically.


Is the motor receiving power? If not you have to check electrical system to locate the place that is not transmitting power. Could be a fuse/relay, switch, bad connection.

If the motor is turning and nothing happens then the drive mechanism from motor to sunroof is stripped. Not good.

Mar 13, 2016 | 2004 Cadillac CTS

1 Answer

2001 cadillac deville sunroof open and want close


Check the RAP fuse in the rear fuse box , this fuse powers the sunroof control module ! Fuse Block - Rear , Left rear of the passenger compartment, under the rear seat .
The sunroof module contains the logic for the opening and the closing of the sunroof. The sunroof motor assembly contains the reversible DC drive motor, the gear train, and the limit switch.
The sunroof module determines the sunroof motor direction based on inputs received from the overhead console sunroof switches. When the ignition switch is in the ON position or when retained accessory power (RAP) is active, voltage is applied to the sunroof module via the RAP relay. For a description and operation of the RAP system, refer to Retained Accessory Power (RAP) Description and Operation in Retained Accessory Power. The sunroof module controls the sunroof motor direction by changing the polarity of the applied voltage. The sunroof module remembers the sunroof position whenever the ignition switch is turned to the OFF position. The limit switch is used as an input to the sunroof module to indicate that the glass is fully closed, or in the comfort stop positions. The limit switch is grounded when the sunroof glass is in the fully closed or comfort stop positions, otherwise it is open.
The SLIDE CLOSE mode is initiated by moving and holding the sunroof slide switch (ROOF) forward. This applies a ground provided from the sunroof limit switch low reference circuit to the sunroof switch close vent signal input of the sunroof module. The sunroof module controls voltage to the control circuits of the sunroof motor. The sunroof motor will run until the limit switch contacts are closed. The closing of the limit switch will apply the sunroof limit switch low reference circuit to the sunroof limit switch soft stop signal circuit to the sunroof module, indicating the flush closed position has been reached. As the sunroof is approaching the close position the sunroof glass will force the wind deflector downward.
You need to have a factory scan tool hooked up an have it checked for DTC'S in the sunroof control module ! a code reader will not do this , a code reader will only check the engine codes for OBD 2 .
Important: The following must be completed before using the symptom tables.
  1. Perform Diagnostic System Check - Power Sunroof in order to verify that all of the following are true:
  2. ?€¢
    No DTCs are set.


    ?€¢
    The control modules can communicate via the serial data link.

  3. Review the system operation in order to familiarize yourself with the system functions. Refer to Sunroof Description and Operation
your better off taking to the dealer !

May 09, 2015 | 2001 Cadillac DeVille

1 Answer

2001 yukon xl which fuse is the sunroof fuse


In the under hood junction box , fuse CTSY LP 15 amp . Instrument fuse panel PWR WDO CB 25amp .
Sunroof Motor Synchronization
Synchronization will be necessary anytime the sunroof module battery positive voltage circuit is interrupted. The sunroof module will be synchronized when the controller learns the full vent position. The sunroof system will ignore any open request until the system has been synchronized.
To synchronize the sunroof:
  1. Turn ON the ignition, with the engine OFF.
  2. Using the close/tilt up portion of the sunroof switch, operate the sunroof glass until it reaches the full vent position.
  3. Verify that the system operates normally.
Once the sunroof glass reaches the full vent position, the actual position is stored in the memory of the sunroof module. The sunroof module will stop the motor one motor revolution before the defined actual positions
Hope this help ! good luck !

Dec 24, 2014 | 2001 GMC Yukon XL

1 Answer

Sun roof won't open, but i hear the motor turning


Check for any obstruction in the rail.

Also, can check this procedure to test your components...
Power Sunroof - REMOVAL & INSTALLATION (click over pic for zoom)

Motor
See Figure 1
  1. Remove the sunroof switch panel by pushing it to the side and disengaging the pawl, then pulling it downward.
b5908ae.jpg

Fig. 1: The sunroof switch panel is retained by a metal clip
  1. Remove the sunroof switch bracket.
  2. Unplug the sunroof motor wiring harness connectors.
  3. Remove the sunroof motor mounting screws.
Disassembly of the sunroof motor is not recommended.

To install:

  1. Lightly lubricate the drive gear with grease and install the sunroof motor to the sunroof assembly.
  2. Plug in the electrical harness connectors to the sunroof motor.
  3. Operate the sunroof to verify proper operation.
  4. Install the sunroof switch bracket and the sunroof switch panel.

Sunroof
See Figures 2 and 3

abc86a3.jpg

Fig. 2: Exploded view of the sunroof assembly on 1993-94 vehicles

515e4a7.jpg

Fig. 3: Exploded view of the sunroof assembly on 1995-97 vehicles-1998 models similar
  1. Tilt up the sunroof lid.
  2. Remove the lid side trim.
  3. Remove the lid bolts and the lid assembly.
  4. Remove the rear drain mount screws and the drain.
  5. Remove the shade assembly holders from the sunroof frame.
  6. Remove the shade assembly.
  7. Remove the sunroof switch, interior accessories and headliner.
  8. Remove the switch bracket.
  9. Remove the motor assembly, spacer and clip.
  10. Remove the wind deflector mount holders from the sunroof frame.
  11. Remove the wind deflector.
  12. Disconnect the drain hose.
  13. Remove the sunroof brackets.
  14. Remove the sunroof frame assembly.
  15. Remove the link and wire assemblies.
To install:
  1. Tilt up the sunroof lid.
  2. Install the link and wire assemblies.
  3. Install the sunroof frame assembly.
  4. Install the sunroof brackets.
  5. Connect the drain hose.
  6. Install the wind deflector.
  7. Install the wind deflector mount holders on the sunroof frame.
  8. Install the motor assembly, spacer and clip.
  9. Install the switch bracket.
  10. Install the sunroof switch, interior accessories and headliner.
  11. Install the shade assembly.
  12. Install the shade assembly holders on the sunroof frame.
  13. Install the rear drain mount screws and the drain.
  14. Install the lid bolts and the lid assembly.
  15. Install the lid side trim.

Hope helps (remember rated this help).

Jun 03, 2010 | 1996 Nissan Maxima

4 Answers

Electric sunroof stuck open can it be closed manually


THE ELECTRIC DRIVE SYSTEM FOR POWER SUNROOF IS NOT ADJUSTABLE.DONT REMOVE THE SUNROOF MOTOR UNLESS THE SUNROOF IS COMPLETELY CLOSED.OTHERWISE A NEW MOTOR WILL HAVE TO BE INSTALLED AND TIMED WITH A TOOL THAT COMES WITH THE NEW MOTOR.THE GLASS PANEL CAN BE ADJUSTED.OPEN THE INTERIOR SUNSHADE ALL THE WAY BACK AND OPERATE THE SUNROOF UNTIL FULLY CLOSED.THERE ARE THREE GLASS MOUNTING SCREWS ON EACH SIDE OF THE SUNROOF OPENING.INSIDE THE VECHICLE LOOSEN THE SCREWS SET THE FRONT EDGE OF THE GLASS TO BE JUST 1MM BELOW THE SURFACE OF THE ROOF.ADJUST THE GLASS AT THE REAR EDGE TO BE JUST ABOVE 1MM THE ROOF AT THE REAR TIGHTEN THE SCREWS.

May 23, 2010 | 2001 Pontiac Grand Am SE

1 Answer

99 malibu sunroof stuck open.


The motor is in the front area of the roof unit.If you can drop the switch and trim around the front of sunroof unit and headliner ,you can can access the sunroof drive motor.The drive shaft of the motor can be turned mannually with an allen wrench which will assist in closing and identifying the problem area.If its hung very badly ...remove the sunroof motor then push the roof closed.

Jul 09, 2009 | 1999 Chevrolet Malibu

1 Answer

How do i manually close a sunroof for a mitusbishi montero after the sunroof motor fails?


Depending on the year of your vehicle....
Earlier models had a sunroof wrench. The manual states that ..."the electronic sunroof system cannot be operated manually. The sunroof wrench that was used in previous models is not provided".

Now that may mean that if you had the wrench it could be operated manually.

I did find something else here :
NOTE: If there is a problem with the sunroof motor so that the
roof lid glass cannot close fully, use an Allen wrench to turn the
gear section of the sunroof motor to fully close the roof lid
glass.

Access seems to be just above the sunroof switch.

Jun 04, 2009 | 2001 Mitsubishi Eclipse

1 Answer

Sunroof won't close


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.

Sep 07, 2008 | 1994 Jeep Grand Cherokee

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