Diagnostic localization of a sunroof malfunction (Freelander 2)

Pinpoint test A: opening sunroof panel - noise during operation

A1: electric motor - noise during operation

NOTE: These tests are performed to determine the cause of the noise during operation of the sunroof panel

Move the sunroof opening panel to all possible positions using the ceiling switch (horizontal opening/horizontal closing/tilt/lowering).
Is the noise level of the sunroof opening panel motor different from that of another vehicle?

Yes - GO to A2.
No - GO to A4.

A2: Electric Motor Repair - Mounting Security, Location and Tightening Torque

• Provide access to the electric motor of the sunroof opening panel.
• Check that the sunroof opening panel motor is properly positioned and secure.

Is the sunroof opening panel motor positioned correctly and securely?

Yes - GO to A3.
No - Correctly position and secure the electric motor of the sunroof opening panel. Check the correct operation of the sunroof opening panel. If the problem persists, GO to A1.

A3: motor mount - hex inserts on motor mounts

Remove the motor from the opening sunroof panel and check that the 3 copper hex inserts of the motor mounts on the panel are correctly positioned and locked. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation).




Are the 3 copper hex inserts of the motor mounts on the panel correctly positioned and locked?

Yes - Install a new sunroof motor. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation).
No - Replace the sunroof opening panel. For more information refer to: Sunroof (501-17 Sunroof, Removal and installation).

A4: air deflector - noise

Use the ceiling switch to move the sunroof opening panel to determine the cause of the noise during operation of the sunroof opening panel.
Does the air deflector cause noise when the sunroof opening panel is moved?

Yes - GO to A5.
No - GO to A6.

A5: air deflector - adjustment

Check air deflector spring adjustment.



Is the air deflector spring adjusted correctly?


Yes - Install a new air deflector For more information refer to: Air deflector (501-17 Sunroof, Removal and installation). Check the correct operation of the sunroof opening panel.
No - Adjust the air deflector spring. Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel.

A6: bottom side cover - noise

Use the ceiling switch to move the sunroof opening panel to determine the cause of the noise during operation of the sunroof opening panel.
Are the lower side covers causing noise when the sunroof opening panel is moved?

Yes - GO to A7.
No - GO to A8.

A7: bottom side cover - adjustment

Check the adjustment of the lower side cover.
Are the bottom side covers adjusted correctly?

Yes - Install new lower side covers. Check the correct operation of the sunroof opening panel.
No - Adjust the lower side covers. Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel.

A8: top side cover - noise

Use the ceiling switch to move the sunroof opening panel to determine the cause of the noise during operation of the sunroof opening panel.
Are the upper side covers causing noise when the sunroof opening panel is moved?

Yes - GO to A9.
No - GO to A13.

A9: top side cover - adjustment

Check top side cover adjustment.




Are the top side covers adjusted correctly?

Yes - GO to A10.
No - Correctly adjust the top side covers. Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel.

A10: top side cover - mount

Check that the rear parts of the upper side covers are securely fastened.
Are the backs of the top side covers securely fastened?

Yes - GO to A11.
No - Install a new sunroof opening panel glass (top side covers are not serviced). For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).

A11: rail mounted - guide brackets

• Remove the sunroof glass panel. For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).
• Inspect the guide brackets on the rails for damage and proper installation.

Are the guide brackets on the rails damaged or incorrectly installed?


Yes - If necessary, replace the guide brackets on the rails.
No - GO to A12.

A12: rear - skids

Visually and manually inspect rear skids and tie bar for damage (broken parts) and correct location.



Are the rear skids or tie bar damaged/jammed?

Yes - If necessary, replace damaged rear skids or connecting bar.
No - GO to A13.

A13: glass mounted - guide brackets

Inspect the guide brackets mounted on the glass for damage.



Are the brackets mounted on the glass damaged?

Yes - Install new glass opening panel (glass-mounted guide brackets are not serviceable). For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).
No - Install the original glass panel on the opening sunroof panel. Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel. If the problem persists, contact your dealer technical support.

Pinpoint Test B: Sunroof Opening Panel - One Touch Operation not working

B1: opening sunroof panel - operation

NOTE: These tests are performed to determine why the one-touch control function has stopped working.

Move the opening sunroof panel to all possible positions (horizontal opening/horizontal closing/tilt/lowering), without using the one-touch control function.
Does the sunroof opening panel fit correctly in all possible positions?

Yes - Follow the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel. If the problem persists, using the manufacturer's recommended diagnostic system, run «sunroof opening panel initialization procedure», including «hard reboot procedure (of necessity)». Check the correct operation of the sunroof opening panel. GO to B2.
No - Go to PINPOINT TEST C.

B2: One touch control switch - action

Use the ceiling switch to activate the one-touch opening panel control function.
Is the one-touch flip control function working correctly?

Yes - No further action is required.
No - Install a new sunroof motor. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation).

C1: sunroof opening panel - fuse

NOTE: These tests are performed to determine the cause of the disabling of the one-touch sunroof opening panel function.

Refer to the wiring diagrams to check the sunroof opening panel motor fusible link.
Fuse link circuit (VBATT) Is the electric motor of the sunroof opening panel intact?

Yes - GO to C2.
No - The fusible link of the electric motor of the opening panel of the hatch is out of order. See wiring diagrams to check the circuit (VBATT) between the fusible link and the electric motor of the sunroof opening panel for a short to ground. If necessary, replace the fusible link or repair the circuit. Check the correct operation of the sunroof opening panel.

C2: car - authorization

NOTE: When the ignition is set to ON (On) authorization signal voltage is applied to the circuit (ACC) sunroof opening panel electric motor. The voltage should be greater than 7 volts if the sunroof authorization signal is active and less than 1 volt if the sunroof authorization signal is not active.

• Provide access to the sunroof panel opening switch. For more information refer to: Top console (501-12 Instrument panel and console, Removal and installation).
• See wiring diagrams to verify proper circuit operation (ACC) sunroof opening panel electric motor (see note above).

Circuit voltage (ACC) the electric motor of the sunroof opening panel as expected?

Yes - GO to C3.
No * Check if DTC B10F2-14 is set (sunroof control - short to ground or open circuit); see wiring diagrams to check the circuit (ACC) between the central junction box and the electric motor of the opening sunroof panel for serviceability. Repair as necessary. If no DTC is set, check the operation of the central junction box circuit (ACC).

C3: sunroof opening panel - switch connector

C4: sunroof opening panel - electric motor connector
Provide access to the electric motor of the sunroof opening panel. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation). Refer to the wiring diagrams to check the position and condition of the terminals and the sunroof opening panel motor housing. Are the terminals and connector housing of the sunroof opening panel motor located correctly and in good condition?

Yes- GO to C5.
No - Correctly position or replace the sunroof opening panel motor connector terminals. Check the correct operation of the sunroof opening panel.

C5: switch - circuit test 1

NOTE: The sunroof opening panel motor supplies voltage to the open and close circuits, which short to ground when the switch is moved; this voltage should be greater than 7 volts with the ignition on (switch open) and less than 1 volt (switch closed).

Refer to the wiring diagrams to locate the open and close circuits between the sunroof open panel motor and panel switch, and monitor the voltage in each circuit as the switch is moved.
Voltage in both switch circuits (opening and closing) changes from above 7 volts to below 1 volt when the sunroof open or close switches are moved?

Yes - GO to C8.
No - GO to C6.

C6: switch - circuit test 2

NOTE: If the voltage remained high during the previous test (more than 7 volts), refer to the wiring diagrams to check if the switch circuit is working.

NOTE: If the voltage remained low during the previous test (less than 1 volt), refer to the wiring diagrams to check if the switch circuit is working.

See notes above.
Voltage remained low (less than 1 volt)?

Yes - GO to C7.
No - Voltage remained high (more than 7 volts) refer to the wiring diagrams to check the function of the sunroof panel switch circuit.

C7: electric motor supply - voltage

See wiring diagrams to check battery voltage between supply circuits (VBATT) and the masses (GND) sunroof opening panel electric motor (about 12 volts).
In chains (VBATT) And (GND) Is there battery voltage on the sunroof opening panel motor?

Yes - GO to C8. No - Check the continuity of the circuits (VBATT) And (GND) sunroof opening panel electric motor. Make repairs if necessary. Check the correct operation of the sunroof opening panel.

C8: electric motor - malfunction

Operate the ceiling switch to move the sunroof opening panel.
Does the electric motor click when moving the sunroof opening panel with the overhead switch?

Yes - GO to C9.
No - Replace the sunroof opening panel motor. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation). Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures). Check the correct operation of the sunroof opening panel

C9: electric motor test - removed

NOTE: Support the electric motor of the sunroof opening panel to avoid damaging it when connecting the electrical connectors.

Remove the 3 opening panel motor fasteners, carefully lower the electric motor from the sunroof opening panel. For more information, refer to: Sunroof Motor (501-17 Sunroof, Removal and installation).
Operate the sunroof opening panel switch. Does the sunroof opening panel motor operate?

Yes - GO to C11.
No - GO to C10.

C10: car - hard reset

Install the electric motor on the sunroof opening panel frame



Using the manufacturer approved diagnostic system, perform the vehicle hard reset procedure. Using the manufacturer approved diagnostic system, perform the sunroof panel initialization procedure. Use the ceiling switch to activate the one-touch opening panel control function.

Is the one-touch flip control function working correctly?

Yes - No further action is required.
No - Replace the sunroof opening panel motor. Using the manufacturer approved diagnostic system, perform the sunroof panel initialization procedure. Check the correct operation of the sunroof opening panel.

C11: manual mode - sunroof operation

• Install the electric motor on the sunroof opening panel frame.
• Manually move the opening sunroof panel to all possible positions (horizontal opening/horizontal closing/tilt/lowering).

Can the sunroof opening panel be manually moved to all possible positions?

Yes - Contact the technical support of the dealers.
No - GO to C12.

C12: glass panel - removal

Remove the glass panel from the opening sunroof panel. For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).



Can the glass panel be removed?

Yes - GO to C13.
No - If the glass panel cannot be removed by the standard R&I procedure, remove the 20 machine screws that secure the glass panel rails, then press the glass outward, manually move the sunroof opening panel to the glass position (open horizontally) and remove the front glass mounting guides. Manually move the sunroof opening panel to the closed position and remove it. If the panel cannot be removed, contact your dealer technical support. GO to C13.

C13: removed glass panel

Inspect and feel the roof rails for accumulation of debris on them.



Are the rails clogged?

Yes - Clean the rails. Refer to drawing E131215, apply lubricant before assembly (KP 1N-30 or ISO-LX-CDBE1) on the areas marked in black. GO to C14.
No - GO to C14.

C14: guide brackets mounted on rails - condition

Inspect and feel the guide brackets mounted on the rails for cracks or damage (broken parts).



Are the guide brackets on the rails cracked or damaged?

Yes - If necessary, replace the guide brackets on the rails. GO to C15.
No - Correctly assemble the guide brackets on the rails. GO to C15.

C15: guide brackets mounted on rails - position

• Inspect and feel the guide brackets mounted on the rails.
• Make sure the guide brackets on the rails are correctly positioned and do not move in any direction.

Are the guide brackets on the rails correctly positioned and do not move in any direction?
Yes - GO to C16.
No - Correctly assemble or replace (if necessary) guide brackets on the rails. GO to C16.

C16: rear skids - condition and position

Visually and manually inspect rear skids and tie bar for damage (broken parts) and correct location.



Are the rear skids or tie bar damaged/jammed?

Yes - If necessary, replace damaged rear skids or connecting bar.
No - GO to C17.

C17: guide brackets mounted on glass

Inspect the guide brackets mounted on the glass for damage.



Are the brackets mounted on the glass damaged?

Yes - Install new sunroof glass. For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).
No - GO to C18.

C18: glass panel - assembly

• Install the rails with the 20 screws securing the glass panel rails (if they were removed).
• Install the glass panel on the opening sunroof panel. For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation).
• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Check the correct operation of the sunroof opening panel.

Does the opening sunroof panel work correctly?

Yes - No further action is required.
No - Contact the technical support of the dealers.

Pinpoint test D: sunroof opening panel - rollback

D1: initialization

NOTE: These tests are performed to determine the cause of the unintentional rollback of the sunroof opening panel.

• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Move the sunroof opening panel to all possible positions using the ceiling switch (horizontal opening/horizontal closing/tilt/lowering).
• Use the ceiling switch to activate the one-touch panel opening control five times in a row.

Did the sunroof opening panel operate correctly five times in a row?

Yes - No further action is required.
No - GO to D2.

D2: Incorrect position of the compactor causes spontaneous rollback

1. Inspect the position of the seals on the sunroof opening panel.

2. Gutter



3. Front acoustic seal. Vehicles up to VIN 154971. Vehicles from VIN154972.



4. Side acoustic seal



5. Seal opening



Are any of the seals causing rollback?

Yes - GO to D3.
No - GO to D8.

D3: side acoustic seal - position

Inspect the side acoustic seals of the opening sunroof panel.



Is the rollback caused by any of the side acoustic seals of the opening sunroof panel?

Yes - Replace side acoustic seals. Clean all relevant surfaces, then properly position and bond new acoustic seals to the opening sunroof panel. GO to D4.
No - GO to D4.

D4: front acoustic seal - position

Inspect the front acoustic seal of the sunroof opening panel. Vehicles up to VIN 154971. Vehicles from VIN154972.



Is the rollback caused by the front acoustic seal of the opening sunroof panel?

Yes - Replace front acoustic seal. Clean all relevant surfaces, then properly position and adhere the front acoustic seal to the sunroof opening panel. GO to D5.
No - GO to D5.

D5: glass seal - position

Inspect the glass seal of the sunroof opening panel.



Is the rollback caused by glass sealing in the opening sunroof panel?

Yes - Install a new glass seal for the sunroof opening panel. For more information refer to: Sunroof seal (501-17 Sunroof, Removal and installation). GOTO D6.
No - GO to D6.

D6: gutter on glass panel - position

Inspect the glass chute of the opening sunroof panel.



Is the rollback caused by the glass gutter of the opening sunroof panel?

Yes - Replace glass panel (chute not serviced). For more information refer to: Sunroof glass (501-17 Sunroof, Removal and installation). GO to D7.
No * GO to D7.

D7: correct work

• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Move the sunroof opening panel to all possible positions using the ceiling switch (horizontal opening/horizontal closing/tilt/lowering).
• Use the ceiling switch to activate the one-touch panel opening control five times in a row.

Did the sunroof opening panel operate correctly five times in a row?

Yes - No further action is required.
No - GO to D8.

D8: air deflector - location

Inspect the sunroof opening panel air deflector.



Is the rollback caused by the air deflector of the opening sunroof panel?

Yes - Properly position and secure (replace if necessary) sunroof opening panel air deflector. For more information refer to: Air deflector (501-17 Sunroof, Removal and installation). GO to D7.
No - GO to D9.

D9: glass panel - removed

Inspect and feel the glass panel guides for debris buildup.



Are the guides clogged?

Yes - Clean the glass panel guides. GOTO D10.
No - GO to D10.

D10: guide brackets mounted on glass - condition

Inspect and feel the guide brackets mounted on the glass for cracks or damage.



Are the guide brackets on the glass cracked or damaged?

Yes - Replace glass panel (guide brackets are not serviced). GO to D11.
No - GO to D11.

D11: rear skids - condition

Visually and manually inspect rear skids and tie bar for damage (broken parts) and correct location.



Are the rear skids or tie bar damaged/jammed?

Yes - If necessary, replace damaged rear skids or connecting bar. GO to D12.
No - GO to D12.

D12: guide brackets mounted on rails - condition

Inspect and feel the guide brackets mounted on the rails for cracks or damage (broken parts).



Are the guide brackets on the rails cracked or damaged?

Yes - If necessary, replace the guide brackets on the rails. GO to D13.
No - GO to D13.

D13: rail mounted guide brackets - position

• Inspect and feel the guide brackets mounted on the rails.
• Make sure the guide brackets on the rails are correctly positioned and do not move in any direction.

Are the guide brackets on the rails correctly positioned and do not move in any direction?

Yes - GO to D14.
No - Correctly assemble or replace the guide brackets on the rails. GO to D14.

D14: glass panel - assembly

• Install the glass panel on the opening sunroof panel.
• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Check the correct operation of the sunroof opening panel.

Does the opening sunroof panel work correctly?

Yes - No further action is required.
No - Contact the technical support of the dealers.

Pinpoint Test E: Sunroof opening panel blind

E1: sunroof panel blind - action

NOTE: These tests are performed to determine the cause of operating noise, looseness or retraction of the sunroof panel blind.

Move the blind of the opening sunroof panel in all directions and fix it on the frame.
Does the sunroof opening panel curtain move correctly in all directions and lock into the frame?

Yes - GO to E2.
No - GO to E8.

E2: sunroof panel blind - noise during operation

Move the blind of the opening sunroof panel in all directions and fix it on the frame.
Is the noise level of the sunroof opening panel blind different from that of another vehicle?

Yes - GO to E3.
No - GO to E8.

E3: sunroof panel blind - assembly

• Inspect the sunroof opening panel curtain assembly.
• Check that the stud bolts and sliding shoes are in the correct position.

Are the locating pins and sliding shoes positioned correctly?

Yes - GO to E4.
No - Correctly assemble the locating pins or sliding shoes. GO to E2.

E4: sunroof opening panel blind - sliding shoes

• Move the blind of the opening sunroof panel in all directions and fix it on the frame.
• Inspect, feel and hear the sunroof opening panel shutter during operation.

Is the noise caused by sliding shoes in the guides?

Yes - GO to E5.
No - GO to E7.

E5: sliding shoe - contamination

• Remove the front edge of the curtain of the opening sunroof panel, disconnect the sliding shoes from the guides.
• Inspect the guides for clogging.

Are the guides clogged?

Yes - Clean the guides. Fit the sliding shoes into the guides and put the blind in place. GO to E1.
No - GO to E6.

E6: sliding guides / rubber pads / springs - assembly

Make sure the rubber pads and sliding shoe springs are properly assembled.



Are the rubber pads and sliding shoe springs assembled correctly?

Yes - Replace the blind of the sunroof opening panel. GO to E7.
No - Fit the rubber pads and springs correctly into the sliding shoes, install the sliding shoes into the guides. GO to E1.

E7: sunroof opening panel blind - noise in the mechanism

Move the blind of the opening sunroof panel in all directions and fix it on the frame.
Is the noise caused by the sunroof opening panel curtain mechanism?

Yes - Replace the blind of the sunroof opening panel. GO to E1.
No - GO to E1.

E8: sunroof opening panel blind - lock action

Move the blind of the sunroof opening panel in all directions and secure it correctly to the frame.
Is the blind of the sunroof opening panel locked correctly?

Yes - GO to E9.
No - GO to E12.

E9: sunroof panel blind - retract

Move the blind of the sunroof opening panel in all directions and then retract.
Does the sunroof opening panel curtain retract correctly?

Yes - GO to E1.
No - GO to E10.

E10: sunroof panel blind - winding procedure

• Remove the sunroof opening panel curtain from the sunroof opening panel.
• Follow the procedure for winding the sunroof opening panel blind onto the retractor.
• Assemble the sunroof opening panel curtain and reinstall.

Is the winding procedure correct?

Yes - GO to E11.
No - Replace the blind of the sunroof opening panel. GO to E1.

E11: sunroof opening panel blind - installation in place

• Install the sunroof opening panel curtain onto the sunroof opening panel. For more information, refer to: Sunroof Cover Sunroof Cover (501-17 Sunroof, Removal and installation).
• Move the blind of the sunroof opening panel in all directions and then retract.

Does the sunroof opening panel curtain retract correctly?

Yes - No further action is required.
No - Replace the blind of the sunroof opening panel.

E12: visual inspection

Inspect the curtain of the opening sunroof panel.
Is the sunroof opening panel blind handle installed?

Yes - GO to E13.
No - Install the sunroof opening panel blind handle. Check work.

E13: handle replacement

1. Curtain (examination)



2. Inspect the shutter of the opening sunroof panel.



Is the sunroof sunroof blind panel handle damaged?

Yes - Replace the damaged sunroof opening panel blind handle. GO to E15.
No - GO to E14.

E14: shutter - locating pins / sliding shoes - position

Inspect and feel the locating studs and sliding shoes of the sunroof opening curtain panel.



Are the locating pins and sliding shoes in good condition and positioned correctly?

Yes - GO to E15.
No - Assemble the dowel pins and slide shoes correctly, and refit the sunroof opening panel blind. Check work.

E15: sunroof opening panel blind - damaged

Inspect the curtain of the opening sunroof panel.
Is the sunroof opening panel curtain beam deformed so that the handle latch has moved away from the lock on the frame?

Yes - Replace the blind of the sunroof opening panel.
No - Contact the technical support of the dealers.

Pinpoint test F: water ingress

F1: drain tube - inspection

NOTE: These tests are performed to determine the cause of water seepage around the perimeter of the sunroof opening panel.

NOTE: Using the manufacturer's recommended procedure, perform a leak test to locate the water leak; often the best way to do this is to visually inspect the intended area and study the water marks.

• Fully retract the sunroof opening panel.
• Inspect the drain tube openings of the sunroof opening panel to make sure they are not clogged.

Are the drain pipes clogged?

Yes - Clean the tubes.
No - GO to F2.

F2: drain tube - position

1. Access the drain pipes at the opening of the sunroof opening panel. For more information, refer to: Upper trim - Included with the vehicle: Tilting sunroof (501-05 Interior trim, Removal and installation).



2. Make sure drain tubes are not bent or kinked.

3. Make sure the drain pipes are properly connected.

Are the drain pipes properly connected to the sunroof opening panel?

Yes - GO to F3.
No - Reinstall the drain pipes correctly, making sure they are not bent or kinked.

F3: air deflector - stowed position

Operate the ceiling switch to move the sunroof opening panel.
When closing the glass of the opening sunroof panel, does the air deflector fold forward and get caught between the glass panel and the glass seal?

Yes - Install a new air deflector. For more information refer to: Air deflector (501-17 Sunroof, Removal and installation).
No - GO to F4.

F4: glass panel seal - position

Check that the glass seal of the sunroof opening panel is correctly positioned, securely fastened and not twisted.



Is the glass seal of the sunroof opening panel correctly positioned, securely fastened and not twisted? For more information refer to: Sunroof seal (501-17 Sunroof, Removal and installation).

Yes - GO to F5.
No - Install a new glass panel seal. For more information refer to: Sunroof seal (501-17 Sunroof, Removal and installation).

F5: sunroof - opening

NOTE: Previous steps have determined that water is not leaking through the sunroof opening panel, but through the seal between the vehicle body and the sunroof opening panel frame.

Check the seal between the vehicle body and the sunroof opening panel frame for water leaks.
Is it possible to detect where water has penetrated the seal between the vehicle body and the frame of the sunroof opening panel?

Yes - Using the manufacturer's recommended process, apply sealant to the water intrusion.
No - No water intrusion has been found or the sunroof opening panel frame must be removed to install the airtight seal. Contact dealer technical support

Pinpoint test G: opening sunroof panel - aerodynamic noise

G1: opening sunroof panel - action

NOTE: These tests are performed to determine the cause of aerodynamic noise around the perimeter of the sunroof opening panel.

Move the sunroof opening panel to all possible positions using the ceiling switch (horizontal opening/horizontal closing/tilt/lowering).
Does the opening sunroof panel work correctly?

Yes - GO to G2.
No - Go to PINPOINT TEST C.

G2: side acoustic seal - position

Inspect the location and security of the side acoustic seals.



Are the side acoustic seals positioned correctly and glued to the frame of the sunroof opening panel?

Yes - GO to G3.
No - Properly position and glue the side acoustic seals to the frame of the sunroof opening panel. GO to G3.

G3: front acoustic seal - position

Inspect the location and security of the front acoustic seals. Vehicles up to VIN 154971. Vehicles from VIN154972.



Is the front acoustic seal properly positioned and bonded to the sunroof opening panel frame?

Yes - GO to G4.
No - Replace front acoustic seal. Clean all relevant surfaces, then properly position and adhere the front acoustic seal to the sunroof opening panel. GO to G4.

G4: glass seal - position

Inspect the location and security of the glass seal.



Is the glass seal positioned correctly and bonded to the sunroof opening panel frame?

Yes - GO to G5.
No - Replace glass seal. Clean all relevant surfaces, then properly position and bond the glass seal to the sunroof opening panel. GO to G5.

G5: gutter - position

Inspect the location and security of the gutter on the glass panel.



Is the gutter correctly positioned on the glass panel?

Yes - GO to G7.
No - Replace glass panel (chute not serviced). GO to G6.

G6: initialization

• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Move the sunroof opening panel to all possible positions using the ceiling switch (horizontal opening/horizontal closing/tilt/lowering).
• Check for aerodynamic noise from the opening sunroof panel.

Is aerodynamic noise still present?

Yes - Contact the technical support of the dealers.
No - No further action is required.

G7: initialization

• Perform the manual initialization procedure for the sunroof opening panel. For more information refer to: Motor Programming (501-17 Sunroof, General procedures).
• Check for aerodynamic noise from the opening sunroof panel.

Is aerodynamic noise still present?

Yes - Contact the technical support of the dealers.
No - No further action is required.

Pinpoint test H: seals loose or dislodged

H1: side acoustic seal - position

Inspect the location and security of the side acoustic seals.



Are the side acoustic seals positioned correctly and glued to the frame of the sunroof opening panel?

Yes - GO to H2.
No - Properly position and glue the side acoustic seals to the frame of the sunroof opening panel. GO to H2.

H2: front acoustic seal - position

Inspect the location and security of the front acoustic seals. Vehicles up to VIN 154971. Vehicles from VIN154972.



Is the front acoustic seal properly positioned and bonded to the sunroof opening panel frame?

Yes - GO to H3.
No - Properly position and glue the front acoustic seal to the frame of the sunroof opening panel. GO to H3.

H3: glass seal - position

Inspect the location and security of the glass seal.



Is the glass seal positioned correctly and bonded to the sunroof opening panel frame?

Yes - GO to H4.
No - Replace the glass seal and glue the four corners of the glass seal to the frame of the sunroof opening panel. GO to H4.

H4: gutter - position

Inspect the location, condition and security of the gutter on the glass panel.



Is the gutter correctly positioned on the glass panel and in good condition?

Yes - The gutter is correctly positioned on the glass panel. No additional action is required.
No - Replace glass panel (chute not serviced).