Moonroof — Acura MDX II (2006-2010)

Scheme 1

Scheme 1: Component Location Index

Symptom Troubleshooting Index

Symptom	Diagnostic procedure
Water leaks from moonroof	Check for a clogged drain tube. Check for a gap between the glass weatherstrip and the roof panel. Check for a defective or an improperly installed glass weatherstrip or drain channel. Check for a gap between the drain seal and the roof panel.
Wind noise from moonroof	Check for excessive clearance between the glass weatherstrip and the roof panel.
Motor noise from moonroof	Check for a loose motor. Check for a worn gear or bearing. Check for a deformed cable assembly.
Moonroof glass does not move, but motor turns	Check for a defective gear or inner cable. Check for foreign matter stuck between the guide rail and the slider. Check for a loose inner cable. Make sure the cable assembly is attached properly.
Moonroof glass does not move and motor does not turn (glass can be moved with 5 mm hexagonal wrench)	Check for a blown fuse. Check for a faulty moonroof switch. Check for a run down battery. Check for a defective motor control unit.
Moonroof glass does not stop at proper flush closed position	Reset the moonroof control unit (see RESETTING THE MOONROOF CONTROL UNIT ). Check glass position adjustment.
Moonroof glass moves in a jerking motion (moves 40 mm (1.57 in.), stops for 0.4 seconds, and repeats)	Reset the moonroof control unit (see RESETTING THE MOONROOF CONTROL UNIT ).
During auto close operation, moonroof glass reverses when no object is trapped	Check for dirt and debris in the track. Reset the moonroof control unit (see RESETTING THE MOONROOF CONTROL UNIT ).
Moonroof glass moves, but there is no AUTO function	Reset the moonroof control unit (see RESETTING THE MOONROOF CONTROL UNIT ).

SYMPTOM TROUBLESHOOTING INDEX

Glass Position Adjustment

The roof panel (A) should be even with the glass weatherstrip (B), to within 0+1/-1 mm (0+0.04/ -0.04 in.) all the way around. If not, make the following adjustment

Scheme 2

Scheme 2: Glass Position Adjustment

Scheme 3

Remove the bracket cover.
With a TORX T25 bit, loosen the bolts on each side, and adjust the glass (A).
If necessary, repeat on the opposite side.

Scheme 4

Scheme 4: Glass Replacement

Scheme 5

Tilt the glass all the way up.
Slide the sunshade all the way back.
Pry out the cap (A), remove the screws (B), release the hooks (C), and remove the bracket cover (D). Repeat on opposite side. Use a TORX T25 bit to remove the bolts (E) from the glass brackets (F) on both sides.
Remove the glass (A) by lifting it up. Do not damage the roof panel.
Install the glass in the reverse order of removal, and note these items: Apply medium strength type liquid thread lock to the glass mounting bolts before reinstallation. Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ). Adjust the glass position alignment (see «GLASS POSITION ADJUSTMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__glass-position-adjustment) ).
Check for water leaks. Use free-flowing water from a hose without a nozzle. Do not use high-pressure water. NOTE: It is normal for some water to seep past the moonroof into the moonroof frame, and exit through the drains.

Scheme 6

Scheme 6: Wind Deflector Replacement

Scheme 7

Open the glass fully.
Disconnect the deflector springs (A) from the bushings (B) on both sides.
Remove the wind deflector (A). A.
Install the deflector in the reverse order of removal.
Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ).

Scheme 8

Scheme 8: Drain Channel Replacement

Scheme 9

Scheme 10

Remove the glass (see «GLASS REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ).
Move both glass brackets (A) to the position where the moonroof normally pivots down, and remove the screws securing the drain channel (B).
Release the drain channel (A) from both hooks (B) of the drain channel slider by pulling the drain channel forward.
Remove the drain channel (A).
Install the channel in the reverse order of removal, and note these items: Push the drain channel onto the hooks until a faint click is heard. Check the glass position adjustment (see «GLASS POSITION ADJUSTMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__glass-position-adjustment) ).
Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ).
Check for water leaks. Let the water run freely from a hose without a nozzle. Do not use a high-pressure spray.

Scheme 11

Scheme 11: Sunshade Replacement

Scheme 12

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Scheme 16

Remove the drain channel (see «DRAIN CHANNEL REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ).
Slide the sunshade all the way forward.
Disconnect both drain channel rods (A) from both glass brackets (B) by pulling the front of them inside, then remove the rods from both drain channel sliders (C) by lifting them up.
Slide both drain channel sliders (A) forward until they contact both glass brackets (B).
Remove the screws, then remove both sunshade slider spacers (A).
While lifting the front portion of the sunshade (A), move the sunshade forward until you can see both sunshade rear hooks (B). Do not damage the sunshade and hooks.
Remove the screws, then remove both hooks.
Remove the sunshade (A).
Remove both front sunshade base sliders (A) and both rear sunshade base sliders (B).
Install the sunshade in the reverse order of removal, and check the glass position adjustment (see «GLASS POSITION ADJUSTMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__glass-position-adjustment) ).
Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ).
Check for water leaks. Let the water run freely from a hose without a nozzle. Do not use a high-pressure spray.

Scheme 17

Scheme 17: Motor Replacement

Remove these items: Roof console (see «INTERIOR LIGHT SWITCH TEST/REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/interiorillumination-lights/#interior-lights) ) Roof console bezel (see step 2 on «HEADLINER REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__headliner-removalinstallation) )
Put on gloves to protect your hands. Disconnect the connector (A), and remove the bolts, then remove the motor (B).
Install the motor in the reverse order of removal, and note these items: Make sure the connector is plugged in properly. Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ). Check the motor operation.

Frame and Drain Tube Replacement

SRS components are located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX ) and the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before doing repairs or service.

Scheme 18

Scheme 18: Frame and Drain Tube Replacement

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Scheme 24

Remove these items: Headliner (see «HEADLINER REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__headliner-removalinstallation) ) Moonroof glass (see «GLASS REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ) With rear entertainment system: Rear controller and screen (see «REAR CONTROLLER AND SCREEN REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__rear-controller-and-screen-removalinstallation) )
Put on gloves to protect your hands. Disconnect the motor connector (A), and detach the moonroof wire harness connector (B) from the moonroof frame.
Disconnect the drain tubes (A).
With an assistant holding the frame (A), remove the bolts and release the rear middle drain tube clip (B), then remove the frame. Front drain tube
Remove these items: Front door sill trim (see «TRIM REMOVAL/INSTALLATION - DOOR AREAS»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-door-areas) ) Kick panel (see «TRIM REMOVAL/INSTALLATION - DOOR AREAS»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-door-areas) ) Driver's dashboard undercover (see «DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#dashboard) ) Passenger's dashboard undercover (see «PASSENGER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#dashboard) )
Passenger's side: Remove the glove box damper from the pivot on the glove box (see step 3 on «GLOVE BOX REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#dashboard__glove-box-removalinstallation) ). While holding the glove box, release the glove box stop on each side from the dashboard by pushing them in, then lower the glove box (see step 6 on «GLOVE BOX REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#dashboard__glove-box-removalinstallation) ).
Driver's side: Remove the bolts, then move the under-dash fuse/relay box (A) as needed.
To remove a front drain valve (A) from the body, tie a string to the top end of the drain tube, then pull the front drain tube (B) down out of the A-pillar. Leave the string in the pillar to use when reinstalling the drain tube. Rear Drain Tube
Remove these items: Rear side trim panel (see «TRIM REMOVAL/INSTALLATION - REAR SIDE AREA»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-rear-side-area) ) Left side: Subwoofer box (see «SUBWOOFER/AMPLIFIER UNIT (WITH NAVIGATION)»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system) )
Tie a string to the top end of the rear drain tube (A), then pull the drain tube down out of the pillar. Leave the string in the pillar to use when reinstalling the drain tube.
Install the frame and drain tube in the reverse order of removal, and note these items: Before installing the frame, clear the drain tubes and drain valves using compressed air. When installing, tie the string that was left in the pillar to the top end of the new drain tube and pull it up into the roof. Check the frame seal. Clean the surface of the frame. Make sure the connectors are plugged in properly. When connecting the drain tube, slide it over the frame nozzle at least 10 mm (0.39 in.). Install the tube clip (A) on the drain tube (B) as shown. After all parts are installed, including the headliner, reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ). Adjust the glass position alignment (see «GLASS POSITION ADJUSTMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__glass-position-adjustment) ).
Check for water leaks. Let the water run freely from a hose without a nozzle. Do not use a high-pressure spray.

Scheme 25

Scheme 25: Drain Channel Slider and Cable Assembly Replacement

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Remove the frame (see «FRAME AND DRAIN TUBE REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__frame-and-drain-tube-replacement) ).
Remove these parts from the frame: Sunshade (see «SUNSHADE REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ) Moonroof motor (see «MOTOR REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) )
Disconnect and remove the rear middle drain tube (A).
Put on gloves to protect your hands. Remove the screw securing the sunshade rear stop (A), and remove it from the frame (B). Release the rear hook of the slide stop (C) by pushing it forward, and pivot the stop up.
Remove the slide stop (A) and the drain channel slider (B).
Pivot the glass bracket (A) down by sliding the link lifter (B) back, then slide the glass bracket back with the link lifter.
Slide the glass bracket (A) along with the cable (B) back, then remove them from the frame (C).
Install the slider and cable assembly in the reverse order of removal, and note these items: Damaged parts should be replaced. Apply molybdenum grease to the glass bracket (A) and guide rail portion of the frame (B) indicated by the arrows. Before reinstalling the motor, make sure both link lifters are parallel, and in the tilt-up position. Before reinstalling the motor, install the frame and glass, then check the opening drag (see «CLOSING FORCE AND OPENING DRAG CHECK»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ). After reinstalling the motor reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ).

Scheme 31

Scheme 31: Closing Force and Opening Drag Check

Scheme 32

Remove the headliner (see «HEADLINER REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#interior-trim__headliner-removalinstallation) ).
Closing force check: With a shop towel (A) on the leading edge of the glass (B), attach a spring scale (C) as shown. Have an assistant hold the switch to close the glass while you measure the force required to stop it. Read the force as soon as the glass stops moving, then immediately release the switch and spring scale. Closing force: 200-290 N (20-30 kgf, 44-66 lbf)
If the force in not within specification, remove the moonroof motor (see «MOTOR REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ), then check: The gear teeth and the inner cable for breakage and damage. If the gear teeth are broken, replace the motor. If the inner cable is damaged, remove the frame (see «FRAME AND DRAIN TUBE REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__frame-and-drain-tube-replacement) ), and replace the cable (see «DRAIN CHANNEL SLIDER AND CABLE ASSEMBLY REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof) ). Do the moonroof control unit input test (see «MOONROOF CONTROL UNIT INPUT TEST»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__moonroof-control-unit-input-test) ). If the motor fails to run or doesn't turn smoothly, replace it. The opening drag. Go to step 4.
Opening drag check: Protect the leading edge of the glass with a shop towel (A). Measure the effort required to open the glass using a spring scale (B) as shown.
If the load is over 40 N (4 kgf, 9 lbf), check: The side clearance and glass position adjustment (see «GLASS POSITION ADJUSTMENT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#moonroof__glass-position-adjustment) ). For broken or damaged sliding parts. If any sliding parts are damaged, replace them.
Reset the moonroof control unit (see «RESETTING THE MOONROOF CONTROL UNIT»(/acura/mdx/ii-2006-2010/remont/sun-rooft-topconvertible-top/#power-moonroof__resetting-the-moonroof-control-unit) ) after reinstalling the moonroof motor.

Moonroof Acura MDX II