asi service manual
Contents
1. Disconnect motor from yes Re connect motor YCS Switch failure contact wire of SCU SCU Check the correct connector to SCU and eee functioning of the motor replace switch no by connecting the motor Is the roof functioning wires to a separate normal power source Is the motor functioning no in both directions SCU failure Replace SCU Mechanical problem Check mechanism for obstruction or failure Break or bad contact in wire harness between fuse and SCU Replace wire harness or solve bad connection Remove motor from yes sunroof frame Is the motor functioning in both directions Motor broken Replace motor Fuse smaller than 5 amps Is the fuse of the blue YES Has the fuse been Mount a fuse of 5 contact wire blown replaced before amps blue ignition contact switched on Replace Fuse Short circuit in wire harness Replace wire no harness Replace switch yss Switch failure Problem solved 4 no Power 12v on blue Y amp S Break or bad contact in contact wire of SCU flat cable between fuse and SCU Replace wire no harness or solve bad connection Break or bad contact in wire harness between fuse and SCU Replace wire harness or solve bad connection Is the motor running Disconnect motor from Re connect motor Switch failure in both directions SCU Check the correct connector to SCU and functioning of the motor by replace switch2. Operate the sunroof to the full vent position If the motor can not operate electronically use override on the motor Disconnect the negative side of the vehicle s battery and the sunroof motor wire from the SCU To remove the motor loosen and remove the three 3 T 20 screws and pull the motor away from the mounting bracket Install the new motor with the insert screws provided Reconnect the vehicle s battery and the sunroof motor wire to the SCU Switch the ignition on and operate the sunroof to the open position Close vent and re initialize the SCU follow the reinitialization process Refer to the trouble shooting guide Reinstall the headliner 4 Service asi 750 840 925 service manual Removal and Installation of Glass Panel Seal Remove the glass panel while in the vent position Follow the glass removal procedure Using a suitable tool separate the seal tape from the glass panel NOTE Be careful not to damage the molding Remove all residue from the old seal from the molding Clean the molding with alcohol to remove any grease or oily film Apply an adhesive promoter to the surface which will make contact with the tape Apply the new replacement seal slightly past the front center Wrap completely around overlapping the starting point Cut both seals at the same time in the center of the glass Dab a small amount of proper bonding adhesive to the cut ends of the seal to NOTE To avoid adhesive contamin
3. connecting the motor wires Is the roof functioning toa separate power normal source Is the motor functioning in no both directions SCU failure replace SCU R f Mechanical problem emove motor from I sunroof frame Is the gt Check mechanism for motor functioning in obstruction or failure both directions Motor broken Replace motor m no Is the motor running Is the motor running for SCU not properly Problem solved normal only a short time after mounted gearwheel operating the switch disconnected from cable Remove SCU and mount yes properly Problem solved Search for bad connection in wire harness no ae es Is the one touch Re initialize SCU by y Problem solved functioning running the sunroof to max tilt and keep on pushing the switch After yes 3 seconds the SCU confirms re initialization by kicking back a few mm Problem solved Replace SCU Is it possible to open Re initialize SCU by Problem solved the roof in its running the sunroof to maximum opened max tilt and keep on position pushing the switch After 3 seconds the SCU 9 Trouble Chart confirms re initialization by kicking back a few mm asi 750 840 925 service manual The roof is experiencing false reversal during one touch or auto close operation Is the auto close functioning Can the Programmable Position be set Electronics Fully Tested and okay Remaining problems are not caused by the SCU motor wire harness or switch Pleas
4. F aes Automotive Products asi 750 840 925 Service Manual Offered by Signature Automotive Products asi 750 840 925 service manual Removal and Installation of Glass Panel Fore and Aft Adjustment Cycle the glass panel to the vent position Remove the left and right hand mechanism cover using an interior trim clip removal tool Deflect the glass tension spring downwards from the glass bracket Note Make sure that you set the spring onto the control links so not to scratch the track section Remove the two 2 rear 8mm nuts and loosen the two 2 front 8mm nuts on the glass panel bracket Remove glass panel from the vehicle To install reverse the removal procedures Remove the left and right hand mechanism cover using an interior trim clip removal tool FRONT Adjust the front of the glass panel by loosening the two 2 front T 25 torq screws Adjust the glass panel so the front edge is flush with the trim ring and tighten the screws REAR Adjust the rear panel by loosening the rear T 25 torq screw Adjust the rear edge so the glass panel is between 1mm higher or flush with the trim ring then tighten the T 25 torq screw Put the glass in the vent position Remove the left and right hand mechanism cover using an interior trim clip removal tool Loosen all four 4 8mm retaining nuts Put the glass in the closed position and center the glass to the opening Adjust and tighten the rear 8mm retaining
5. Wind Noise Excessive wind noise when the glass panel is in the closed position Excessive wind noise when the glass panel is in the full open position Water Leaks Possible Cause Timing of drive cables incorrect No contact of seal to one side Obstacle in mechanism or guide rail Check the motor and cable tube at motor bracket and motor insert Possible Cause SCU in degraded mode due to malfunction Low voltage Weak battery Misaligned panel creating drag Weak motor Dirty mech Possible Cause Worn front guide No pad between substrate and housing Loose or misadjusted Hits glass and rattles Hits front cross member Sunshade handle hits water trough Harness rattles against kit Check if insulation tape is applied between drain channel and sunshade Loose screws on motor Screw is stripped Screw is loose Possible Cause Panel seal not tight to trim ring Application in to vehicle Re time drive cables Loosen panel screws and reposition panel Remove obstacle Align cable tube to motor bracket and reinstall motor proper Reinitialize SCU by running glass panel to full vent position Check power supply Change or replace motor Clean and grease mechanism or replace Replace front guide Silicone substrate and secure push pins Pad between headliner and bottom of housing Tighten and adjust Add felt pad to glass Readjust and add felt pad Add velcro to plastic handle Tighten wire ties Tap
6. ation do not remove tape backing until necessary Once the seal is applied press firmly to assure proper adhesion Install the glass panel Sunshade Removal and Installation 4 f Remove the left and right hand mechanism cover using an interior trim di clip removal tool Remove the glass panel while in the vent position Follow the glass removal procedure Remove the control link assembly Follow the control link removal procedure After the rear guide is disengaged move the trough assembly forward allowing access to the trough screws Remove the two 2 T 20 torg screws that are holding the trough assembly to the rear guides Slide the sunshade forward through the slot on the right hand side of the track Remove the sunshade through the sunroof opening To install reverse the removal procedures 5 Service asi 750 840 925 service manual Electrical Connector Power with ignition off Power with ignition on Wire Number 1 Red 12V 12V Wire Number 2 Green Ground Ground Wire Number 3 Blue ZERO V 12V Reconnect the vehicle s battery and test cycle the moonroof to verify it is fully functional Initialize SCU see the initialization procedure Disconnect the battery by disconnecting the negative side of the battery Loosen the headliner in order to gain access to the motor and SCU Using a T 20 torg driver remove the mounting screw Disconnect the power switch and motor wires from the SCU Remov
7. de the glass panel bracket rearward Replace the slide bushing making sure the slide bushing is placed on the cam link with the rounded side rearward and the curved side down All parts should be properly lubricated When reinstalling make sure the bushing does not rotate causing interference To install the glass slide reverse the removal procedure Cycle the glass panel into the vent position Remove the left and right hand mechanism cover using an interior trim clip removal tool Remove 9mm nuts and the T 10 torq screw retaining control link to front guide and trough assembly To install reverse the removal procedures Remove the glass panel while in the vent position Follow the glass removal procedure Remove the control link Follow the control link removal procedure Using a screw driver deflect the rear guide tab inboard allowing the guide to disengage from the notch Slide the guide and trough assembly forward allowing access to the trough screws Remove the two 2 T 20 torq screws To install reverse the removal procedures Removal of Rear Guide Shoe Assembly Remove the drain trough assembly Follow the complete mechanism removal procedures Remove the rear guide shoe by sliding the guide forward until it disengages from the track section Slide the track plug out Install the new rear guide making sure that the leaf spring is attached to the guide CAUTION The leaf spring must be attached t
8. e and secure wires Check for felt pads on drain channel add felt pads Tighten screws or replace Replace or retap screw hole Tighten screws Readjust the panel or replace seal or fill out seal Reference pre program glass stop in owner s manual Trouble Guide asi 750 840 925 service manual Possible Cause Solution Improper routing of drain tubes Re route or replace drain tubes Water coming through panel opening area or headliner is wet Rear end caps seal broken Reseal end caps using silicone Glass panel out of adjustment Adjust glass panel Improper seal compression Adjust seal or replace seal section Testing Electrical Components Make sure that the Inalfa asi Moonroof is connected to a 12V source during the test of electrical components If the moonroof is installed in a car the battery needs to be connected and operable During the test period the ignition accessory switch must be on This test can be accomplished with a voltage meter or test light Inspect and make sure that the fuses are not blown Refer to the filled out portion of the owner s manual for location The cable harness and motor inspection requires the removal of the headliner Refer to the filled out portion of the owner s manual for the location Wire Harness SCU to Battery Power on wire if ignition is off Power on wire if ignition is on Wire number 1 red Wire number 2 black Wire number 3 blue ZERO V Disconnect the mo
9. e continue with the mechanical trouble shooting guide Problem solved The unit does not kick back confirming re initialization Can the sunroof be placed in all positions using the manual override on the motor Mechanical problem Obstruction or failure of mechanism Remove obstruction or solve failure Re initialize SCU by running the sunroof to max tilt and keep on pushing the switch After 3 seconds the SCU confirms re initialization by kicking back a few mm Problem solved False reversal also occurs during one touch closing motion False reversal only occurs during auto close Power 12v on blue wire SCU with ignition off Replace SCU Does the unit start to move when both switch buttons are depressed Replace SCU Problem solved Cancellation of tilt activated preventing the sunroof going into tilt De activate funtion by pushing lt tilit open open tilt tilt open gt directly after switching off the ignition contact Blue wire is not connected via ignition Search for another contact wire which is switched by the ignition contact Sunroof does not close after completing the 5 retry closing motions High resistance of mechanism whereby the anti trap protection is activated Readjust glass panel and clean and lubricate mechanism with Molycoat based grease High resistance of mechanism whereby the anti trap protection is activated Readjust glass panel and clean a
10. e the SCU by sliding it towards the motor Install the new SCU by locating the mounting tab and pushing the SCU away from the motor Reinstall the T 20 screw Reconnect the power switch and motor wires to the SCU Switch the ignition on and operate the sunroof to open close and vent positions and re initialize the SCU follow the reinitialization process Reinstall the headliner Removal and Installation of Sunroof Switch Depending on where the switch is located pull downwards and disengage the switch from the retaining bracket Pull the switch down exposing the wire harness and connector Disconnect the switch from the wire harness Replace the defective switch Cycle the sunroof making sure all functions are in working condition To reinstall follow the removal procedure 6 Service asi 750 840 925 service manual Mechanical Failures Panel misaligned LH RH Panel misaligned side to side Glass panel stops prematurely Cable ratcheting Electrical Failures Operating of the sunroof is possible no auto close no one touch SCU makes clicking noise but panel will not move Panel is sliding too slowly With a 13 5v power supply the panel should not take more than 7sec to close from fully opened position Rattling Noise Problem Front guide rattle Substrate rattle Wind deflector rattle Sunshade rattle Wire Harness rattle Drain Channel rattle Rattle in motor area Self tapping neb screws
11. nd lubricate mechanism with Molycoat based grease Blue wire is not connected via ignition Search for another contact wire which is switched by the ignition contact The buttons are released too soon The panel can start moving when both buttons are pushed because of slight timing differnces The motion will be stopped as soon as the second button is operated activating the programming mode Remove glass panel and test the sunroof Glass was adjusted incorrectly introducing high resistances Mount glass panel no and adjust properly Problem solved Obstacle in mechanism Trouble Chart
12. nuts one at atime Place the glass panel in the vent position and tighten the front 8mm retaining nuts After the glass panel is adjusted re install the mechanism covers 1 Service asi 750 840 925 service manual Initialization of Glass Panel Place the glass panel in the vent position Once the glass has reached the full vented position release and hold the vent button The glass will kick back indicating re initialization has been completed Cycle the glass panel to insure proper function Note If the glass stops short in its travel hold the vent button for six 6 seconds until the glass panel cycles After the glass panel cycles it will be necessary to repeat the initailization Removal and Installation of Wind Deflector Front Guide Removal a Cam Slide Mechanism Removal Position the panel in the open position Remove the left and right track plug by removing two 2 T 10 torq screws from each side and lift out the track plug NOTE Observe the track plug orientation before removal label and mark if necessary Inspect foam tape seal on the track plug Replace if necessary Remove the wind deflector Pull the deflector tabs slightly inboard to release from the molding To install reverse the removal procedure CAUTION When installing the track plug make sure the plugs rear edge is not higher then the mating edge of the track section screws too tight or that the attaching screws are not prot
13. o the rear guides for the unit to function properly To install reverse the removal procedures 3 Service asi 750 840 925 service manual r rere rrr Pepe Removal and Installation of Cable Assembly Remove the glass panel while in the vent position Follow the glass removal procedure Remove the rear cam Follow the cam removal procedure Detach the headliner from the side rail carefully separating the headliner from the rails or factory hardboard headliner allowing access to the drive assembly Remove the three 3 T 20 torg screws attaching the motor to the housing Deflect the motor gear away from the drive cables Pull the cable from the track section Lubricate the new cable assembly prior to installing Insert the drive cables into the track section by pushing the cables into the drive tubes Install the cable ends to the cam slides Slide the left and right hand cams rearward so that the rear portion of the cam assembly aligns with the notch in the track section Install the front guide Reverse the front guide removal procedure Attach the wind deflector Reverse the wind deflector removal nvnnna IFA Install the motor assembly Reverse the electric drive assembly removal procedure Cycle the unit making sure that the cables are properly aligned To install the control link and panel reverse the removal procedure Loosen the headliner in order to gain access to the motor and SCU
14. ruding screws too loose Otherwise the panel will retract into Remove the glass panel while in the vent position Follow the glass removal procedure Remove the wind deflector Follow the wind deflector removal procedure Remove the two 2 T 25 torq screws from the pivot plate and remove the glass panel bracket by sliding it rearward Remove the T 10 screw that holds the front guide and control link together Remove the front guide To install reverse the removal procedure Remove the glass panel while in the vent position Follow the glass removal procedure Remove the front guide control link by removing the two 2 T 10 torq Screws Remove the wind deflector Follow the wind deflector removal procedure Remove the front guides Follow the front guide removal procedure Cycle the cable mechanism approximately 1 2 from the front edge of the track by holding the vent button until the cam slides forward Disengage the cable end from the cam sides NOTE Using a small pointed tool pull the cable end out of the cam slide sideways To install reverse the removal procedure 2 Service asi 750 840 925 service manual Rear Panel Slide and Bushing Removal Remove the glass panel while in the vent position Follow the glass removal procedure Remove the tension spring from the glass panel bracket and place on the control link Remove the two 2 front T 25 torq screws from the front glass panel bracket Sli
15. tor wire from the SCU If the mechanism is jammed remove the motor from the rear beam Use a double wire of sufficient length connect it directly to the battery and inspect the motor for proper operation in both directions Testing is covered in the electronic ASI 750 840 925 Moonroof does not function One Touch function inoperative Programmable position cannot be programmed push both switch buttons at the same time Auto Close function inoperative The SCU must be reinitialized after replacement Proceed with the electronic Reinitialization of the SCU The first time the SCU is connected to the power supply the maximum vent position must be defined Turn the ignition on Open the glass panel to the full vent position using continuous mode Continue to vent the glass panel until the glass panel moves a few mm to close and returns max five 5 seconds To complete the reinitialization process the glass panel must be moved to the fully opened position using One Touch mode 8 Trouble Guide asi 750 840 925 service manual Is the motor running _ Is the switch Is the fuse of the red yes Has the fuse been yes Fuse smaller than Mount a fuse of 20 with ignition gt illuminated ignition contact wire blown replaced before 20 amps amps red contact switched on ignition contact switched on no no yes Replace Fuse Short circuit in wire harness replace wire switched on harness Power 12v on red yes
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