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Sunroof dropped down

Power sunroof has dropped down at rear about 1/4" and the switch will not work. Any idea on a fix for this.

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I have a 04 Pontiac G6 4 door sedan the sun shade opens up no problem but when I try to open the glass the first one lifts up but that's it the other 3 pieces dont


Power Sunroof System Components
The power sunroof system consists of the following components:
• One tilting glass sunroof panel--For sunroof vent functions
• Three sliding glass sunroof panels, which allow the sunroof to open in sections
• Power sunshade panel--An adaptable panel which is rolled out or rolled in and stored by the sunshade motor/actuator in order to cover or uncover the sunroof glass panels
• Power sunroof switch--A rotary style switch controlling sunroof switch signal inputs to the sunroof motor/actuator
• Power sunshade switch--A momentary press style switch controlling sunshade switch signal inputs to the sunshade motor/actuator
• Power sunroof motor/actuator--Comprised of both the sunroof motor/actuator and the sunroof electronic control module, it is sometimes referred to as the sunroof control module/motor assembly.
• Power sunshade motor/actuator--Comprised of both the sunshade motor/actuator and the sunshade electronic control module, it is sometimes referred to as the sunroof slave module.
Sunroof Motor/Actuator and Sunroof Switch
The sunroof motor/actuator assembly is located at the rear of the passenger compartment, above the rear view window, between the headliner and the roof structure. The sunroof motor/actuator assembly also contains the sunroof electronic control module and the two components are serviced together as a unit.
Battery positive voltage is supplied to the motor/actuator at all times through the 25-amp LAMELLA ROOF fuse located in the rear fuse block. Whenever the ignition is turned to RUN or ACCESSORY, or when the retained accessory power (RAP) system is active, the motor/actuator is also supplied battery positive voltage through the accessory voltage circuit and the 10-amp ROOF/HEAT SEAT fuse which is located in the body control module (BCM). The sunroof motor/actuator is grounded through splice S403 to body ground G302.
The sunroof motor/actuator supplies voltage to the sunroof switch through three internal resistors and three hard wire circuits. The 3 hard wire circuits are:
• Sunroof switch data 1 signal circuit
• Sunroof switch data 2 signal circuit
• Sunroof switch data 3 signal circuit
The sunroof switch, which is also grounded to G302, is a rotary style switch. When the switch control lever is turned in a rotational direction, the appropriate switch contacts and signal circuits for the selected mode are simultaneously opened and/or closed to ground in order to provide the appropriate combination of voltage signals to the sunroof motor/actuator. The sunroof motor/actuator interprets the signals, and then applies battery positive voltage and ground to the appropriate circuits of the integral power sunroof motor in order to move the sunroof glass panels. At the same time, the sunroof motor/actuator sends a serial data message, via the keyword 2000 serial data circuit, to the sunshade motor/actuator to open the sunshade panel in conjunction with the sunroof glass. As the sunroof glass panels slide rearward to the open position, the sunshade motor/actuator simultaneously rolls in the adaptable sunshade panel.
The sunroof switch is mounted in a bezel which is located above the rearview mirror.


Circuit/System Description
The sunroof system is controlled by the sunroof switch and the sunroof control module/motor assembly, which is also known as the motor/actuator assembly.
The sunroof control module is supplied battery positive voltage at all times through the 15A SUNROOF fuse located in the rear fuse block. Whenever the ignition is turned to RUN or ACCESSORY, or when the retained accessory power (RAP) system is active, the module is also supplied voltage through the accessory voltage circuit and the 10-amp ROOF/HEAT SEAT fuse located in the body control module (BCM). The sunroof control module is grounded through the ground circuit at G302.
The sunroof control module supplies voltage to the contacts of the sunroof switch through the sunroof switch close signal circuit and the sunroof switch open signal circuit. The sunroof control module also supplies ground to the switch contacts through the sunroof switch low reference circuit. When the switch is operated, the contacts and signal circuit for the selected mode are closed to ground, the voltage is pulled low in the module, and the appropriate signal is recognized by the control module. The control module then internally applies battery positive voltage and ground to the appropriate circuits of the reversible power sunroof motor in order to move the sunroof glass panel to the open, close, or vent


Do you know how to do electrical testing ?
Circuit/System Testing
Ignition OFF, disconnect the harness connector at the sunroof control module.
Ignition OFF, test for less than 1.0 ohm of resistance between the ground circuit terminal 1 and ground.
? If greater than the specified range, test the ground circuit for an open/high resistance.
Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 3 and ground.
? If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
Verify that a test lamp illuminates between the B+ circuit terminal 6 and ground.
? If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
Connect the harness connector at the sunroof control module.
Ignition OFF, disconnect the harness connector at the sunroof switch.
Ignition OFF, test for less than 1.0 ohm of resistance between the low reference circuit terminal B and ground.
? If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, test or replace the sunroof control module.
Ignition ON, test for B+ between the signal circuit terminal C and ground.
? If not the specified value, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, test or replace the sunroof control module.
Test for B+ between the signal circuit terminal A and ground.
? If not the specified value, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, test or replace the sunroof control module.
If all circuits test normal, test or replace the sunroof switch.

Oct 13, 2017 | Pontiac Cars & Trucks

1 Answer

In a 1999 buick regal ls, do I have to remove the headliner to replace the sunroof switch?


No you don't need to remove the head liner to replace the switch . Here are the factory service repair manual directions .
Grasp the switch on the left and right sides. Use a small flat-bladed tool in order to disengage the clips which are located at the front and rear of the switch. Hold the flat-bladed tool parallel to the roof and push straight in. Rotate the switch toward the left side to disengage it from the mounting bracket and pull down. Disconnect the electrical connector from the switch. Remove the switch from the vehicle. This switch is supplied 5 volts from the sunroof module on the brown an orange wires ,the dark blue wire is grounded inside the sunroof module . The switch is just a low voltage input to the sunroof control module , The control module opens or closes the sunroof by the inputs from the switch . The odds the switch being bad are astronomical , more then likely the motor or the sunroof module are bad.
Your best bet would be to have a qualified repair shop diagnose the problem for you ! Do your power windows work ? Sun roof is powered by a circuit breaker an the windows are powered by the same circuit breaker .
There

Jul 22, 2016 | Buick Cars & Trucks

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

06 srx sunroof doesnt work


Sorry Bill but you don't the tool's or knowledge to take on this job . Control module's involved.
Which one does your vehicle have ?
Power Sunroof System Components -- CF5
The power sunroof system consists of the following components:
• Front glass control module and motor assembly
• Front sunshade control module and motor assembly
• Sunroof switch
• Front glass panel
• Front sunshade
• Power supply for the front glass control module and motor assembly logic: RAP relay
• Power supply for the power sunroof system: SUNROOF MOD fuse 40 A
Power Sunroof System Components -- C3B
The power sunroof system consists of the following components:
• Front glass control module and motor assembly
• Front sunshade control module and motor assembly
• Sunroof switch
• Front glass panel
• Front sunshade
• Rear sunshade control module and motor assembly
• Rear sunshade switch
• Rear sunshade
• Rear fixed glass panel
• Power supply for the front glass control module and motor assembly logic: RAP relay
• Power supply for the power sunroof system: SUNROOF MOD fuse 40 A

Aug 30, 2017 | 2006 Cadillac SRX

1 Answer

Sun roof will not open or close


First check your fuse box, for any fuse blow, position 26 in the Passenger Fuse Box (Box C), then keep in mind that the power sunroof is controlled by a switch that selects the direction of travel of the sunroof. The switch changes the polarity of the voltage going to the sunroof motor. This changes the rotation of the motor, thereby changing the direction of sunroof travel.


REMOVAL & INSTALLATION
(see Figure 1)
  1. Open the sunroof to the ventilation position.
  2. Disconnect the battery ground cable.
  3. Push down the sunroof headlining with a finger. Unhook the retaining springs with a bent piece of wire.
  4. Pull down on the headlining sufficiently to pass beneath the gutter rail. At the same time, slide the sunroof to the rear to release the catches at the front.
Do not pull the sunroof too far to the rear; otherwise, it will be difficult to remove again.
  1. Unhook the spring retaining brackets.
  2. Remove the retaining screws from the sides and front.
  3. Remove the sunroof.
To install:
  1. Fit the sunroof into position and install the retaining screws.
  2. Install the spring retaining brackets.
  3. Slide the sunroof forward to engage the catches in the front.
  4. Install or reposition any trim moved for access.
  5. Connect the negative battery cable.
eabcb79.jpg

Fig. 1: Exploded view of the sunroof assembly (click for zoom)




About Fuse descrtion and location, check your 1995 Volvo 960 - Owners Manual (page 155 and next).


Hope helps (remember comment and rated this help).





Jul 06, 2010 | 1995 Volvo 960

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

2 Answers

How to open a 2004 maxima sunroof? what button?


there should be buttons up near the dome light above the rear viemw mirror, just keep pushing tham and something will happen, IF the sunroof is operational.

Sep 23, 2009 | 2004 Nissan Maxima

1 Answer

02 Nissan Altima Sunroof won't work


circuit tester to the switch when pressed should show a charge if no charge than bad contacts in switch ... if charge than the problem lyes in the motor by the sunroof. can make a tester from an old turn signal bulb a socket just ground 1 wire off the socket and use the other wire as test probe. if you find this info helpful please rate

Apr 19, 2009 | 2002 Nissan Altima

3 Answers

Open sunroof that will not close.


you can open and close you sunroof "manually" remove the plastic cover next to your sunroof and dome light buttons (above your rearview mirror) there is an allen wrench stored inside... insert the wrench into the corresponding hole and you can close or open you sunroof by turning the wrench

Nov 29, 2008 | 2000 Volkswagen Jetta TDI

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