501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel 2013 - 2014 MKZ
Diagnosis and Testing Procedure revision date: 10/16/2012

Roof Opening Panel

The roof opening panel must be initialized when repairs are carried out on any part of the roof opening panel system or when the roof opening panel motor, glass, assembly, or air deflector has been removed or replaced for any reason.

Symptom Charts

Symptom Chart: Operation

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).




Condition Possible Sources Actions
The roof opening panel leaks Refer to the Pinpoint Test   GO to Pinpoint Test B
The roof opening panel sliding glass does not open or close Refer to the Pinpoint Test   GO to Pinpoint Test E
The roof opening panel shield does not open or close Refer to the Pinpoint Test   GO to Pinpoint Test F
The one-touch open feature is inoperative
  • Roof opening panel not initialized
INITIALIZE the roof opening panel.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
The global open function is inoperative or does not operate correctly Refer to the Pinpoint Test   GO to Pinpoint Test G
The roof opening panel does not seat in flush position from any position
  • Incorrect roof opening panel adjustment
  • Mechanism mistimed

  • REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

  • REFER to: Timing Adjustment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
Roof opening panel reverses during operation
  • Roof opening panel adjustment
  • Roof opening panel not initialized
  • Mechanism mistimed
  • Foreign material in track
  • Anti-pinch switch shorted.

  • REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

  • REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

  • REFER to: Timing Adjustment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
  • INSPECT and CLEAN the track as necessary.
  • DISCONNECT the anti-pinch switch and TEST for normal operation. If the concern is no longer present, INSTALL a new anti-pinch switch.
    REFER to: Roof Opening Panel Anti-Pinch Switch (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
    If the concern is still present, REPAIR the circuit for a short to ground. Refer to Wiring Diagrams Cell 101 for schematic and connector information.


Symptom Chart: NVH

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).




Condition Possible Sources Actions
The roof opening panel has excessive wind noise Refer to the Pinpoint Test   GO to Pinpoint Test A
The roof opening panel rattles Refer to the Pinpoint Test   GO to Pinpoint Test C
Roof opening panel is noisy during operation Refer to the Pinpoint Test   GO to Pinpoint Test D


Pinpoint Tests

The Roof Opening Panel Has Excessive Wind Noise

Normal Operation and Fault Conditions

When the roof opening panel glass is completely closed, it is flush with the roof panel. When the roof opening panel glass is in the vent position, the leading edge of the glass panel should contact the front trim panel seal. The roof opening panel seals provide a seal against adverse weather conditions such as rain and wind, preventing them from entering the passenger compartment. A damaged, deformed or incorrectly installed seal is unable to effectively seal the glass. The roof opening panel air deflector deflects the air flow over the roof opening panel when the panel is in the vent or open positions, a damaged or incorrectly installed air deflector is unable to effectively deflect the air flow.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST A : THE ROOF OPENING PANEL HAS EXCESSIVE WIND NOISE
A1   VERIFY ROOF OPENING PANEL NOISE

NOTE: It is normal to have some amount of wind noise when the roof opening panel is in the open position. To determine if the wind noise is excessive, road test the vehicle at approximately 100 km/h (62 mph) with the roof opening panel closed, a single rear door window open and all remaining door windows closed while observing the level of wind noise. If the level of wind noise observed with the roof opening panel open (with all door windows closed) is greater than the wind noise observed with a single rear door window open, the wind noise is excessive.

  • Road test the vehicle with the roof opening panel in the closed, vent and open positions.

Is the wind noise present only in the open position?

Yes GO to A4
No GO to A2


A2   CHECK THE ROOF OPENING PANEL GLASS SEALS

NOTE: Make sure the seals are secured in place, not cut, cracked, pinched, loose or obstructed in closed, vent and open positions.

NOTE: When the roof opening panel sliding glass is in the vent position, make sure that the leading edge of the glass is in contact with the front trim panel seal.

  • Check the roof opening panel front trim seal, main compression seal, body side seals and rear glass seal to make sure they are fitted properly and not damaged.

Are all the seals OK?

Yes GO to A3
No INSTALL a new seal(s) as necessary.


A3   CHECK THE ALIGNMENT OF THE ROOF OPENING PANEL GLASS
  • Check the roof opening panel alignment.
    REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Is the roof opening panel glass aligned correctly?

Yes CHECK for other vehicle conditions that could be causing the excessive wind noise. For example, aftermarket windshield wipers, side-view mirrors, HVAC door behind glove compartment, HVAC louvers in instrument panel, or antenna base to trim panel. REPAIR as necessary.
No ALIGN the roof opening panel glass.
REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).


A4   CHECK THE AIR DEFLECTOR
  • Make sure the air deflector is not damaged and is securely attached.

Is the air deflector OK?

Yes PARTIALLY CLOSE the roof opening panel until the noise is eliminated. If the noise is eliminated, INFORM the customer that changing glass location will eliminate the wind noise. If the wind noise is not eliminated, INSTALL a new air deflector.
REFER to: Air Deflector (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No INSTALL new air deflector assembly.
REFER to: Air Deflector (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).



The Roof Opening Panel Leaks

Normal Operation and Fault Conditions

When the roof opening panel glass is completely closed, it is flush with the roof panel. The roof opening panel seals provide a seal against adverse weather conditions such as rain and wind, preventing them from entering the passenger compartment. A damaged, deformed or incorrectly installed seal is unable to seal the glass efficiently. The roof opening panel trough assembly, drain cups and drain hoses provide a route for water to drain away from the opening panel, damaged or obstructed drain hoses, drain cups or trough assembly will allow water to collect and possibly leak into the passenger compartment.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST B : THE ROOF OPENING PANEL LEAKS
B1   CHECK THE ALIGNMENT OF THE ROOF OPENING PANEL GLASS
  • Check the roof opening panel alignment.
    REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Is the roof opening panel glass aligned correctly?

Yes GO to B2
No ALIGN the roof opening panel glass.
REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).


B2   CHECK THE ROOF OPENING PANEL DRAIN CUPS AND DRAIN HOSES
  • Remove the headliner.
    REFER to: Headliner (501-05 Interior Trim and Ornamentation, Removal and Installation).
  • Inspect the drain cups for blockage, signs of water leakage, and signs of damage.
  • Inspect the drain hoses for any blockages.
  • Inspect the drain hose-to-drain cup connections.

Are the drain cups and drain hoses in good condition and connected correctly?

Yes GO to B3
No CORRECT the drain hose-to-drain cup connections or INSTALL new as necessary.


B3   VERIFY THE LEAK LOCATION
  • Check the roof opening panel and windshield for signs of leakage.

Is the leak coming from the windshield?

Yes RESEAL the windshield.
REFER to: Windshield Reseal (501-11 Glass, Frames and Mechanisms, General Procedures).
No GO to B4


B4   VERIFY THE ROOF OPENING PANEL LEAK LOCATION
  • Check the front and rear areas of the roof opening panel for leaks.

Is the leak coming from the rear glass panel area of the roof opening panel?

Yes GO to B6
No GO to B5


B5   CHECK THE CONDITION OF THE ROOF OPENING PANEL SEALS
  • Check the following roof opening panel seals for correct installation and signs of damage:
    • front trim panel seal
    • LH and RH body side seals
    • main compression seal

Are the seals installed correctly and free from any damage?

Yes GO to B7
No INSTALL a new seal(s) as necessary.


B6   CHECK THE ROOF OPENING PANEL REAR GLASS AND TRACK SEALS
  • Check the roof opening panel rear glass seal and both track seals for correct installation and signs of damage.

Are the seals installed correctly and free from any damage?

Yes GO to B7
No INSTALL a new seal(s) as necessary.


B7   CHECK THE CONDITION OF THE ROOF OPENING PANEL FRAME
  • Check the roof opening panel frame for damage that may cause the roof opening panel glass to seal incorrectly

Is the roof opening panel frame OK?

Yes INSTALL a new roof opening panel glass.
REFER to: Roof Opening Panel Glass (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No REPAIR or INSTALL a new roof opening frame.
REFER to: Roof Opening Panel Frame (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).



The Roof Opening Panel Rattles

Normal Operation and Fault Conditions

When the roof opening panel glass is completely closed, it is flush with the roof panel. All components should be secured correctly. The roof opening panel system is made up of many components that require specific torque specifications and correct installation in order to avoid any NVH concerns. Over time, components may become loose or damaged, fasteners may become loose, sound insulating material may wear out and foreign material may collect in the roof opening panel frame. It is possible that one or more of these conditions may lead to a rattle concern in the roof opening panel system.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST C : THE ROOF OPENING PANEL RATTLES
C1   CHECK THE ROOF OPENING SLIDING GLASS PANEL TIGHTNESS
  • Open the roof opening sliding glass panel.
  • Manually push up, and then fore and aft on the roof opening sliding glass panel.

Is the roof opening sliding glass panel loose?

Yes ALIGN the roof opening panel.
REFER to: Roof Opening Panel Alignment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
No GO to C2


C2   CHECK THE ROOF OPENING PANEL MAIN COMPRESSION SEAL

NOTE: Make sure the seal is secured in place, not cut, cracked, pinched, loose or obstructed in closed, vent and open positions.

  • Check the roof opening panel main compression seal.

Is the seal OK?

Yes GO to C3
No INSTALL a new roof opening panel main compression seal.


C3   CHECK THE ROOF OPENING PANEL CABLES AND GUIDES
  • Lower the head liner.
    REFER to: Headliner (501-05 Interior Trim and Ornamentation, Removal and Installation).
  • Verify the roof opening sliding glass panel cable and guide assemblies, and the roof opening panel shield cable and guide assemblies are securely fastened and free from any damage.
    REFER to: Roof Opening Panel Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
    REFER to: Roof Opening Panel Shield Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).

Are the cable and guide assemblies OK?

Yes GO to C4
No TIGHTEN the fasteners to their correct torque specification or INSTALL new cable and guide assemblies as necessary.
REFER to: Roof Opening Panel Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Roof Opening Panel Shield Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


C4   CHECK THE ROOF OPENING PANEL SHIELD
  • Verify the roof opening panel shield is correctly installed and free from damage.
    REFER to: Roof Opening Panel Shield (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).

Is the roof opening panel shield OK?

Yes GO to C5
No REINSTALL or INSTALL a new roof opening panel shield as necessary.
REFER to: Roof Opening Panel Shield (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


C5   CHECK THE ROOF OPENING PANEL AIR DEFLECTOR
  • Verify the air deflector is correctly installed and free from damage.

Is the air deflector OK?

Yes GO to C6
No REINSTALL or INSTALL a new air deflector as necessary.
REFER to: Air Deflector (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


C6   CHECK THE ROOF OPENING PANEL ASSEMBLY FOR RATTLES
  • Check the roof opening panel assembly for any loose parts or for any condition that will cause rattles.

Are there any conditions that cause rattles?

Yes INSTALL a suitable sound damper material to correct the condition. If the rattle still persists, INSTALL a new roof opening panel frame.
REFER to: Roof Opening Panel Frame (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No INSPECT other areas of the vehicle that may cause rattles in the roof area, such as the headliner, roof opening panel motor wiring harness, overhead console, rear wiper hose to headliner or rear dome light. REPAIR as necessary.



The Roof Opening Panel is Noisy During Operation

Normal Operation and Fault Conditions

When the roof opening panel glass closes, it should do so quietly and smoothly. The roof opening panel system is made up of many components that require specific torque specifications and correct installation in order to avoid any NVH concerns. Over time, components may become loose or damaged, fasteners may become loose, sound insulating material may wear out and foreign material may collect in the roof opening panel frame. It is possible that one or more of these conditions may lead to a noise concern in the roof opening panel system.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST D : THE ROOF OPENING PANEL IS NOISY DURING OPERATION
D1   VERIFY THE ROOF OPENING PANEL SHIELD OPERATION
  • With the roof opening panel sliding glass fully closed, open and close the roof opening panel shield while listening for the noise.

Is the noise present during shield operation?

Yes GO to D2
No GO to D3


D2   LOCATE THE ROOF OPENING PANEL SHIELD NOISE
  • Remove the headliner.
    REFER to: Headliner (501-05 Interior Trim and Ornamentation, Removal and Installation).
  • With the roof opening panel sliding glass fully closed, open and close the roof opening panel shield while listening for the noise.
  • Determine if the noise is coming from the shield assembly, the shield cable and guide assemblies or the shield motor.

Is the noise coming from the shield assembly?

Yes INSTALL a new roof opening panel shield.
REFER to: Roof Opening Panel Shield (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No If the noise is coming from the shield cable and guide assemblies, INSTALL a suitable sound damper material to correct the condition. TEST for normal operation. If the noise still persists, INSTALL a new roof opening panel shield cable and guide assembly.
REFER to: Roof Opening Panel Shield Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).

If the noise is coming from the shield motor, INSTALL a new roof opening panel shield motor.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


D3   VERIFY THE ROOF OPENING PANEL SLIDING GLASS NOISE
  • With the roof opening panel shield fully open; open, close and vent the roof opening panel sliding glass while listening for the noise.

Is the noise coming from outside the vehicle?

Yes GO to D4
No GO to D5


D4   INSPECT THE ROOF OPENING PANEL SLIDING GLASS TRACKS
  • Remove both roof opening rear trim panels.
    REFER to: Panoramic Roof Opening Panel Trim (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
  • With the roof opening panel sliding glass closed and using a good light source, inspect both sliding glass track seals for signs of damage or deformation.
  • Inspect both sliding glass tracks for obstructions, foreign material and signs of damage.

Are the tracks and track seals free of obstructions and undamaged?

Yes APPLY a PTFE lubricant to the opening panel lifter arms and cams. TEST for normal operation. If the noise returns, INSTALL new lifter arms.
REFER to: Front Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Rear Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No If the track seals are not OK, INSTALL new seals as necessary.
If the tracks are not OK, INSTALL a new roof opening panel frame.
REFER to: Roof Opening Panel Frame (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


D5   CHECK THE ROOF OPENING PANEL SEALS FOR NOISE
  • With the roof opening panel shield fully open; open, close and vent the roof opening panel sliding glass while listening for the noise.

Does the noise only occur during engagement of the main compression seal?

Yes APPLY silicone spray lubricant to the main compression seal. TEST for normal operation. If the noise is still present, INSTALL a new main compression seal.
No APPLY silicone spray lubricant to the body side seals, the front trim panel seal and the rear glass seal 1 seal at a time and TEST for normal operation after lubricating each seal. If the noise is still present, INSTALL a new seal(s) as necessary.
If the noise occurs during transition to vent only, APPLY a PTFE lubricant to the opening panel lifter arms and cams. TEST for normal operation. If the noise returns, INSTALL new lifter arms.
REFER to: Front Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Rear Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


D6   LOCATE THE ROOF OPENING PANEL SLIDING GLASS NOISE
  • Remove the headliner.
    REFER to: Headliner (501-05 Interior Trim and Ornamentation, Removal and Installation).
  • With the roof opening panel shield fully open, open and close the roof opening panel sliding glass while listening for the noise.
  • Determine if the noise is coming from the sliding glass panel, the sliding glass cable and guide assemblies or the sliding glass panel motor.

Is the noise coming from the sliding glass panel?

Yes APPLY a PTFE lubricant to the opening panel lifter arms and cams. TEST for normal operation. If the noise returns, INSTALL new lifter arms.
REFER to: Front Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Rear Lifter Arm (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No If the noise is coming from the shield cable and guide assemblies, INSTALL a suitable sound damper material to correct the condition. TEST for normal operation. If the noise still persists, INSTALL a new roof opening panel shield cable and guide assembly.
REFER to: Roof Opening Panel Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).

If the noise is coming from the sliding glass panel motor, INSTALL a new roof opening panel shield motor.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).



The Roof Opening Panel Sliding Glass Does Not Open or Close


Refer to Wiring Diagrams Cell 101 for schematic and connector information.

The roof opening panel must be initialized when repairs are carried out on any part of the roof opening panel system or when the roof opening panel motors, glass, assembly, or air deflector has been removed or replaced for any reason.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Normal Operation and Fault Conditions

The roof opening panel primary motor receives voltage from the accessory delay relay when the ignition is in the ACC or RUN position. The overhead console switch supplies signals to the roof opening panel primary motor to operate the roof opening panel. When the primary motor receives the signal, it communicates with the roof opening panel secondary motor and the roof opening panel shield motor along the K-Bus communication circuit. A failure in the power circuit, ground circuit, switch signal circuit or K-Bus circuit, an internal failure of the switch, primary motor, secondary motor or shield motor, or a motor that has not been initialized all cause the roof opening panel to become inoperative.

When the ignition is in RUN or ACC, the BCM activates the accessory delay relay by grounding the relay coil. When the ignition is set to OFF, the BCM continues to ground the accessory delay relay coil for approximately 10 minutes, or until a front door is opened. When the accessory delay relay is active, it supplies voltage to the roof opening panel system.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST E : THE ROOF OPENING PANEL SLIDING GLASS DOES NOT OPEN OR CLOSE
E1   CHECK THE ROOF OPENING PANEL MOTORS FOR INITIALIZATION
  • Attempt to carry out the roof opening panel motor initialization procedure.
    REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Is the concern still present or does the roof opening panel motor fail to initialize?

Yes GO to E2
No The system is operating normally at this time. The roof opening panel motor was not initialized.


E2   CHECK THE ROOF OPENING PANEL SHIELD OPERATION
  • Attempt to operate the roof opening panel shield.

Does the roof opening panel shield operate?

Yes GO to E3
No GO to Pinpoint Test F


E3   CHECK THE BATTERY VOLTAGE TO THE ROOF OPENING PANEL MOTORS
  • Ignition OFF.
  • Disconnect roof opening panel primary motor C9036.
  • Disconnect roof opening panel secondary motor C9087.
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-6   Ground


  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9087-6   Ground



Are the voltages greater than 11 volts?

Yes GO to E4
No VERIFY BJB fuses 72 (30A) and 85 (30A) are OK.
If the fuses are OK, REPAIR the circuit.
If the fuses are not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.


E4   CHECK THE GROUND CIRCUITS FOR THE ROOF OPENING PANEL MOTORS
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-1   Ground


  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9087-1   Ground
      C9087-3   Ground



Are the resistances less than 3 ohms?

Yes GO to E5
No REPAIR the circuit.


E5   CHECK THE IGNITION VOLTAGE TO THE ROOF OPENING PANEL PRIMARY MOTOR
  • Ignition ON.
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-7   Ground



Is the voltage greater than 11 volts?

Yes GO to E6
No VERIFY BCM fuse 31 (10A) is OK.
If the fuse is OK, CHECK the BCM for Diagnostic Trouble Codes (DTCs). If there are Diagnostic Trouble Codes (DTCs) are present in the BCM ,
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

If there are no Diagnostic Trouble Codes (DTCs) are present in the BCM , REPAIR the circuit.
If the fuse is not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.


E6   CHECK THE ROOF OPENING PANEL SWITCH CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect overhead console switch C930
  • Disconnect roof opening panel shield motor C9085
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C930-18   Ground
      C930-19   Ground
      C930-20   Ground



Are the resistances greater than 10,000 ohms?

Yes GO to E7
No INSPECT C925 and C922 for corrosion, loose pins or bent pins. If both C925 and C922 are OK, REPAIR the circuit.


E7   CHECK THE ROOF OPENING PANEL SWITCH CIRCUITS FOR AN OPEN
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C930-18   C9036-8
      C930-20   C9036-9


  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C930-19   C9085-8



Are the resistances less than 3 ohms?

Yes GO to E8
No INSPECT C925 and C922 for corrosion, loose pins or bent pins. If both C925 and C922 are OK, REPAIR the circuit.


E8   CHECK THE K-BUS COMMUNICATION CIRCUIT FOR AN OPEN
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-10   C9087-10


  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-10   C9085-10



Are the resistances less than 3 ohms?

Yes GO to E9
No REPAIR the circuit.


E9   CHECK THE K-BUS COMMUNICATION CIRCUIT FOR SHORT TO GROUND
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9036-10   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to E10
No REPAIR the circuit.


E10   CHECK THE ROOF OPENING PANEL PRIMARY AND SECONDARY MOTOR OPERATION
  • Remove the roof opening panel primary and secondary motors.
    REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
  • Connect roof opening panel primary motor C9036.
  • Connect roof opening panel secondary motor C9087.
  • Connect overhead console switch C930
  • Connect roof opening panel shield motor C9085
  • Open the roof opening panel shield.
  • Press the roof opening panel OPEN switch in the overhead console and observe both roof opening panel motors.

Does only the primary motor operate?

Yes PRESS the roof opening panel CLOSE switch in the overhead console and INSTALL a new roof opening panel secondary motor.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No If neither motor operates, GO to E11
If both motors operate, INSPECT the motor gears and drive cables for damage. INSTALL new motor(s) or drive cable(s) as necessary.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Roof Opening Panel Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).


E11   CHECK THE ROOF OPENING PANEL PRIMARY MOTOR OPERATION
  • Connect a new primary motor but do not install the motor in the vehicle.
  • Press the roof opening panel OPEN switch in the overhead console and observe both roof opening panel motors.

Do both roof opening panel motors operate?

Yes ADJUST the roof opening panel motor and cable timing.
REFER to: Timing Adjustment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

INSTALL both motors.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).

ADJUST the roof opening panel motor and cable timing.
REFER to: Timing Adjustment (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).



The Roof Opening Panel Shield Does Not Open or Close


Refer to Wiring Diagrams Cell 101 for schematic and connector information.

The roof opening panel must be initialized when repairs are carried out on any part of the roof opening panel system or when the roof opening panel motors, glass, assembly, or air deflector has been removed or replaced for any reason.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Normal Operation and Fault Conditions

The roof opening panel primary motor receives voltage from the accessory delay relay when the ignition is in the ACC or RUN position. The primary motor communicates ignition state to the roof opening panel shield motor along the K-Bus communication circuit. The overhead console switch supplies signals to the roof opening panel shield motor to operate the roof opening panel shield. A failure in the power circuit, ground circuit, switch signal circuit or K-Bus circuit, an internal failure of the switch or shield motor all cause the roof opening panel shield to become inoperative.

Possible Causes

Visual Inspection and Diagnostic Pre-checks


PINPOINT TEST F : THE ROOF OPENING PANEL SHIELD DOES NOT OPEN OR CLOSE
F1   CHECK THE BATTERY POWER TO THE SHIELD MOTOR
  • Ignition OFF.
  • Disconnect roof opening panel shield motor C9085
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-6   Ground



Is the voltage greater than 11 volts?

Yes GO to F2
No VERIFY BJB fuse 72 (30A) is OK.
If the fuse is OK, REPAIR the circuit.
If the fuse is not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.


F2   CHECK THE SHIELD MOTOR GROUND CIRCUIT
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-1   Ground



Is the resistance less than 3 ohms?

Yes GO to F3
No REPAIR the circuit.


F3   CHECK THE K-BUS COMMUNICATION CIRCUIT FOR AN OPEN
  • Disconnect roof opening panel primary motor C9036.
  • Disconnect roof opening panel secondary motor C9087.
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-10   C9087-10


  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-10   C9036-10



Are the resistances less than 3 ohms?

Yes GO to F4
No REPAIR the circuit.


F4   CHECK THE K-BUS COMMUNICATION CIRCUIT FOR A SHORT TO GROUND
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-10   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to F5
No REPAIR the circuit.


F5   CHECK THE ROOF OPENING PANEL SWITCH CIRCUITS FOR A SHORT TO GROUND
  • Disconnect overhead console switch C930
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C930-22   Ground
      C930-24   Ground



Are the resistances greater than 10,000 ohms?

Yes GO to F6
No REPAIR the circuit.


F6   CHECK THE ROOF OPENING PANEL SWITCH CIRCUITS FOR AN OPEN
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C930-22   C9085-2
      C930-24   C9085-4



Are the resistances less than 3 ohms?

Yes GO to F7
No REPAIR the circuit.


F7   CHECK THE ROOF OPENING PANEL SWITCH OUTPUT
  • Connect overhead console switch C930
  • Ignition ON.
  • Measure and record the vehicle battery voltage.
  • Press the shade open switch on the overhead console switch and measure:


    Positive Lead Measurement / Action Negative Lead
      C9085-2   Ground



Is the voltage within 1.5 volts of battery voltage?

Yes REMOVE the roof opening panel shield motor and INSPECT the motor and shield cables for obvious signs of damage. INSTALL new motor(s) or drive cable(s) as necessary.
REFER to: Roof Opening Panel Motor (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
REFER to: Roof Opening Panel Shield Operating Cable and Guide (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, Removal and Installation).
No INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).



The Global Open Function is Inoperative or Does Not Operate Correctly


Refer to Wiring Diagrams Cell 101 for schematic and connector information.

The global open feature may be enabled/disabled using a diagnostic scan tool or in some cases modified by the customer following a procedure listed in the vehicle Owner's Literature. For a complete list of available programmable parameters, refer to the Module Configuration and Parameter Chart.
REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).

The roof opening panel must be initialized when repairs are carried out on any part of the roof opening panel system or when the roof opening panel motors, glass, assembly, or air deflector has been removed or replaced for any reason.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).

Normal Operation

When the global open feature is activated, the BCM sends a signal to the roof opening panel shield motor to place the roof opening panel in the vent position. The roof opening panel shield motor opens the shield and communicates with the roof opening panel primary and secondary motors along the K-Bus communication circuit. When the primary and secondary motors receive the message from the shield motor, the sliding glass panel is moved to the vent position. The global open feature does not function when the delayed accessory is active. Any interference in the circuit or the motor may cause the global open feature to not operate correctly.

The global open circuit between the BCM and the roof opening panel shield motor is protected by a Field-Effect Transistor (FET). If the circuit is shorted to ground, the Field-Effect Transistor (FET) opens the circuit and prevents the global opening feature from operating. After the circuit is repaired and the roof opening panel is initialized, the BCM resets the Field-Effect Transistor (FET) allowing normal operation of the global open feature.

Possible Causes


PINPOINT TEST G : THE GLOBAL OPEN FUNCTION IS INOPERATIVE OR DOES NOT OPERATE CORRECTLY
G1   VERIFY ROOF OPENING PANEL OPERATION
  • Attempt to open and close the roof opening panel using the overhead console switches.

Does the roof opening panel operate correctly?

Yes GO to G2
No GO to Pinpoint Test E


G2   VERIFY GLOBAL OPEN FEATURE IS ENABLED
  • Verify the global open feature is enabled in the message center. Refer to the Owner's Literature.

Is the global open feature enabled?

Yes GO to G3
No ENABLE the global open feature. REFER to the Owner's Literature.


G3   VERIFY RKE (REMOTE KEYLESS ENTRY) OPERATION
  • Verify the RKE lock and unlock function operates correctly using all of the RKE transmitters.

Do all of the RKE transmitters operate correctly?

Yes GO to G4
No DIAGNOSE the RKE transmitters.
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).


G4   CHECK THE ROOF OPENING PANEL MOTORS FOR INITIALIZATION
  • Carry out the roof opening panel motor initialization procedure.
    REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
  • Test the global open feature for normal operation.

Is the concern still present?

Yes GO to G5
No The system is operating normally at this time. The roof opening panel motor was not initialized.


G5   CHECK THE GLOBAL OPEN CIRCUIT FOR AN OPEN
  • Disconnect BCM C2280D
  • Disconnect roof opening panel shield motor C9085
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C2280D-5   C9085-10



Is the resistance less than 3 ohms?

Yes GO to G6
No REPAIR the circuit.


G6   CHECK THE GLOBAL OPEN CIRCUIT FOR A SHORT TO GROUND
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C2280D-5   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to G7
No REPAIR the circuit. INITIALIZE the roof opening panel.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
CARRY OUT a BCM self-test to activate the Field-Effect Transistor (FET).


G7   CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all BCM electrical connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Connect and inspect all BCM electrical connectors.
  • Connect roof opening panel shield motor C9085
  • Operate the system and determine if the concern is still present.

Is the concern still present

Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
INITIALIZE the roof opening panel.
REFER to: Power Roof Opening Panel Initialization (501-17A Roof Opening Panel - Vehicles With: Panoramic Roof Opening Panel, General Procedures).
CARRY OUT a BCM self-test to activate the Field-Effect Transistor (FET).





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