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General Procedures > < Roof Opening Panel - Vehicles Built Up To: 12-2005

Maverick 2005 (08.2004-)

Roof Opening Panel - Roof Opening Panel Maverick 2005 (08/2004-)
Diagnosis and Testing

Special Tool(s)

73III Automotive Meter

105-R0057 or equivalent

Principles of Operation

Roof Opening Panel

Actuating the roof opening panel switch in the forward or rearward direction supplies a ground signal to the roof opening panel module. The roof opening panel module then supplies power and ground to the roof opening panel motor. The vent and soft stop functions are controlled by the roof opening panel module and an internal roof opening panel position switch within the roof opening panel motor. These positions are obtained when an internal motor cam opens the roof opening panel position switch that removes ground to the roof opening panel module.

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical and electrical damage.

    Visual Inspection Chart

    Mechanical Electrical
    • Roof opening panel switch
    • Roof opening panel motor
    • Roof opening panel glass
    • Roof opening panel shield
    • Roof opening panel drain hoses
    • Air deflector
    • Lifting arm
    • Roof opening panel drain channel
    • Battery junction box (BJB) fuse 19 (40A)
    • Smart junction box (SJB) fuse(s):
      -
      4 (10A)
      -
      11 (15A)
    • Accessory delay relay
    • Roof opening panel switch
    • Roof opening panel motor
    • Roof opening panel module
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, GO to Symptom Chart.

Symptom Chart

Symptom Chart

Symptom Possible Sources Action
The roof opening panel has excessive wind noise
*
Incorrect adjustment
*
Roof opening panel glass seals
*
GO to Pinpoint Test a.
The roof opening panel leaks
*
Incorrect adjustment
*
Roof opening panel drain hose
*
Roof opening panel glass seals
*
GO to Pinpoint Test b.
The roof opening panel rattles
*
Roof opening panel glass adjustment
*
Roof opening panel lifter assemblies
*
Roof opening panel tracks
*
Roof opening panel drain channels and guides
*
Roof opening panel shield
*
Roof opening panel air deflector
*
Roof opening panel assembly
*
GO to Pinpoint Test c.
The roof opening panel is noisy during operation
*
Roof opening panel glass adjustment
*
Roof opening panel tracks
*
Roof opening panel shield
*
Roof opening panel motor
*
GO to Pinpoint Test d.
The roof opening panel does not open or close
*
Fuse(s)
*
Circuitry
*
Roof opening panel switch
*
Roof opening panel motor
*
Roof opening panel module
*
GO to Pinpoint Test e.
The roof opening panel does not stop in flush from any position
*
Circuitry
*
Roof opening panel motor
*
Roof opening panel module
*
GO to Pinpoint Test f.
The express open is inoperative
*
Circuitry
*
Roof opening panel motor
*
Roof opening panel module
*
GO to Pinpoint Test f.
The roof opening panel does not have soft stop
*
Circuitry
*
Roof opening panel motor
*
Roof opening panel module
*
GO to Pinpoint Test f.

Pinpoint Tests

Pinpoint Test A: The Roof Opening Panel Has Excessive Wind Noise

Normal Operation

When the roof opening panel glass is completely closed, it is flush with the roof panel and correctly sealed.

    Possible Causes

  • Roof opening panel glass adjustment
  • Roof opening panel glass seals

PINPOINT TEST A : THE ROOF OPENING PANEL HAS EXCESSIVE WIND NOISE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
A1: CHECK THE ROOF OPENING PANEL GLASS SEALS
1
Check the roof opening panel glass seals for:
  • looseness.
  • cracking.
  • pinching.
  • obstructions.

Are the seals OK?
Yes
GO to A2. .
No
REPAIR as necessary. TEST the system for normal operation.
A2: CHECK THE ROOF OPENING PANEL GLASS ADJUSTMENT
1
Ignition switch in position II.
2
Open and close the roof opening panel glass.
3
Check the alignment when the roof opening panel glass closes.

Is the alignment OK?
Yes
If wind noise is still present, ADJUST the roof opening panel glass to closer tolerance within specification. REFER to Roof Opening Panel Alignment in this section. TEST the system for normal operation.
No
ADJUST the roof opening panel glass. REFER to Roof Opening Panel Alignment in this section. TEST the system for normal operation.

Pinpoint Test B: The Roof Opening Panel Leaks

Normal Operation

When the roof opening panel glass is completely closed, it is flush with the roof panel and correctly sealed. The drain channel collects water and drains it through the front drain hose located in the A-pillar and the rear drain hose located in the C-pillar.

    Possible Causes

  • Roof opening panel glass adjustment
  • Roof opening panel drain hoses
  • Roof opening panel glass seals

PINPOINT TEST B : THE ROOF OPENING PANEL LEAKS
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
B1: VERIFY CUSTOMER OPERATION OF THE ROOF OPENING PANEL WHEN PARKED
1
Make sure the customer is parking with the roof opening panel correctly in the closed position.

Is the customer parking with the roof opening panel in the closed position?
Yes
GO to B2. .
No
Instruct the customer to REFER to the owner's manual for correct operation of the roof opening panel.
B2: CHECK THE ADJUSTMENT OF THE ROOF OPENING PANEL
1
Make sure the roof opening panel glass is centered and flush with the roof line.

Is the roof opening panel adjusted correctly?
Yes
GO to B3. .
No
ADJUST the roof opening panel. REFER to Roof Opening Panel Alignment in this section. TEST the system for normal operation.
B3: CHECK THE WEATHERSTRIP CONDITION
NOTE:
NOTE:The seal has a bonded joint located on the passenger side or rear edge. This not a defect.
1
Make sure the roof opening panel seal is not cracked, torn or loose.
2
Check the roof opening panel seal.

Is the roof opening panel seal in good condition and free from damage?
Yes
GO to B4. .
No
INSTALL a new roof opening panel seal. TEST the system for normal operation.
B4: CHECK THE WATER TROUGH CONDITION
1
Check the water trough and guides for damage and/or correct attachment and function.

Is the water trough OK?
Yes
GO to B5. .
No
REPAIR the water trough or INSTALL new as necessary. TEST the system for normal operation.
B5: CHECK THE DRAIN HOSES
NOTE:
NOTE:Drain hoses can be viewed with a flashlight by removing the headliner lace around the inside opening and gently pulling down on the headliner. (On some vehicles, new trim lace has been installed with Velcro style attachments.)
1
Make sure the drain hoses are all connected and not cracked, slit, pinched or obstructed.

Are all the drain hoses present and attached correctly?
Yes
GO to B6. .
No
REPAIR or INSTALL a new drain hose(s). REFER to Roof Opening Panel Front Drain Hose or Roof Opening Panel Rear Drain Hose in this section. TEST the system for normal operation.
B6: CHECK THE DRAIN HOSES FOR CORRECT FLOW
NOTE:
NOTE:Drain hoses must flow downhill and cannot be pinched or restricted by headliner or any other trim components.
1
With the panel open, slowly pour water into the water trough area and make sure that the same amount of water exits the vehicle at the bottom of the A and C pillars.
2
Check drain hoses for obstructions by blowing compressed air through the drain spouts in the water trough area, then retest with water.

Are the drain hoses operating correctly?
Yes
INSPECT other areas of the vehicle that may cause water to enter the roof area such as the windshield or luggage rack, if equipped. If no problem is found, GO to B7. .
No
LOWER the headliner and INSPECT the drain hoses for correct routing. REPAIR or INSTALL a new drain hose(s). REFER to Roof Opening Panel Front Drain Hose or Roof Opening Panel Rear Drain Hose in this section. TEST the system for normal operation.
B7: CHECK THE CONDITION OF THE ROOF OPENING PANEL FRAME
1
Check the roof opening panel frame for damage that may cause the roof opening panel seal to seat incorrectly.

Is the roof opening panel frame OK?
Yes
INSTALL a new roof opening panel. REFER to Roof Opening Panel Module in this section. TEST the system for normal operation.
No
REPAIR the roof opening panel frame as necessary. TEST the system for normal operation.

Pinpoint Test C: The Roof Opening Panel Rattles

Normal Operation

When the roof opening panel glass is completely closed, it is flush with the roof panel. All components should be secured correctly.

    Possible Causes

  • Roof opening panel glass adjustment
  • Roof opening panel lifter assemblies
  • Roof opening panel tracks
  • Roof opening panel drain channels and guides
  • Roof opening panel shield
  • Roof opening panel air deflector
  • Roof opening panel assembly

PINPOINT TEST C : THE ROOF OPENING PANEL RATTLES
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
C1: CHECK THE ROOF OPENING PANEL GLASS OPERATION
1
Check the roof opening panel glass during operation.

Is the roof opening panel glass loose?
Yes
ADJUST the roof opening panel. REFER to Roof Opening Panel Alignment in this section. VERIFY all bolts are tightened to specification. TEST the system for normal operation.
No
GO to C2. .
C2: CHECK THE ROOF OPENING PANEL TRACKS
1
Open the roof opening panel glass.
2
Check the tracks for obstructions or signs of damage.

Are the tracks OK?
Yes
GO to C3. .
No
REMOVE any obstructions. REPAIR the roof opening panel tracks as necessary. TEST the system for normal operation.
C3: CHECK THE DRAIN CHANNEL AND GUIDES
1
Check the drain channel and channel guides for any loose fasteners or obstructions.

Is the drain channel installed securely and free from foreign material?
Yes
GO to C4. .
No
REMOVE all foreign material from the drain channel and INSTALL securely. TEST the system for normal operation.
C4: CHECK THE ROOF OPENING PANEL SHIELD
1
Check the roof opening panel shield for correct installation.

Is the roof opening panel shield installed correctly?
Yes
GO to C5. .
No
INSTALL the opening shield correctly. REFER to Roof Opening Panel Shield in this section. TEST the system for normal operation.
C5: CHECK THE AIR DEFLECTOR
1
Check the air deflector for obstructions and damage.

Is the air deflector OK?
Yes
GO to C6. .
No
REMOVE all obstructions and REPAIR or INSTALL a new air deflector. REFER to Air Deflector in this section. TEST the system for normal operation.
C6: CHECK THE ROOF OPENING PANEL
1
Make sure the roof opening panel frame, drain tubes and wire harnesses are free from obstructions and damage, and are securely fastened.

Is the roof opening panel assembly OK?
Yes
The system is operating normally.
No
REPAIR as necessary. TEST the system for normal operation.

Pinpoint Test D: The Roof Opening Panel is Noisy During Operation

Normal Operation

The roof opening panel operates smoothly while opening and closing.

    Possible Causes

  • Roof opening panel glass adjustment
  • Roof opening panel tracks
  • Roof opening panel shield
  • Roof opening panel motor

PINPOINT TEST D : THE ROOF OPENING PANEL IS NOISY DURING OPERATION
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
D1: CHECK THE ROOF OPENING PANEL GLASS FOR OBSTRUCTIONS OR DAMAGE
1
Check the roof opening panel glass for any obstructions or damage from the following:
  • sand.
  • dirt.
  • leaves.

Are there any obstructions or damage?
Yes
REMOVE all obstructions. REPAIR the roof opening panel as necessary. TEST the system for normal operation.
No
GO to D2. .
D2: CHECK THE ROOF OPENING PANEL GLASS OPERATION
1
Check the roof opening panel glass during operation.

Is the roof opening panel glass loose or not correctly adjusted?
Yes
ADJUST the roof opening panel. REFER to Roof Opening Panel Alignment in this section. VERIFY all bolts are tightened to specification. TEST the system for normal operation.
No
GO to D3. .
D3: CHECK THE ROOF OPENING PANEL TRACKS
1
Open the roof opening panel glass.
2
Check the tracks for obstructions or signs of damage.

Are the tracks OK?
Yes
GO to D4. .
No
REMOVE all obstructions. REPAIR any damage as necessary. TEST the system for normal operation.
D4: CHECK THE ROOF OPENING PANEL SHIELD
1
Check the roof opening panel shield for correct movement.

Is the shield moving correctly?
Yes
GO to D5. .
No
REPAIR or INSTALL a new roof opening panel shield. REFER to Roof Opening Panel Shield in this section. TEST the system for normal operation.
D5: CHECK THE ROOF OPENING PANEL MOTOR
1
Gain access to the roof opening panel motor.
2
Open the roof opening panel.

Does the motor make excessive noise?
Yes
INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor in this section. TEST the system for normal operation.
No
ADJUST the roof opening panel glass. REFER to Roof Opening Panel Alignment in this section. TEST the system for normal operation.

Pinpoint Test E: The Roof Opening Panel Does Not Open or Close

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

Normal Operation

The roof opening panel module receives voltage on circuit 1173 (BN/OG) when the ignition switch is in the ACC or ON position. The roof opening panel module is grounded through circuit (BK). When the roof opening panel switch is pressed, circuits (BK) and (WH) are connected for open/tilt down; and circuits (BK) and (VT) are connected for close/tilt up. The roof opening panel module controls the roof opening panel motor by directing power and ground on circuit (OG) and circuit (RD) to the motor.

    Possible Causes

  • Fuse(s)
  • Circuit 1173 (BN/OG) open
  • Circuit 57 (BK) open
  • Circuit (DB) open
  • Circuit (BK) open
  • Circuit (WH) open
  • Circuit (VT) open
  • Circuit (OG) open or short to ground
  • Circuit (RD) open or short to ground
  • Roof opening panel switch
  • Roof opening panel motor
  • Roof opening panel module

PINPOINT TEST E : THE ROOF OPENING PANEL DOES NOT OPEN OR CLOSE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
E1: THE ROOF OPENING PANEL DOES NOT OPEN OR CLOSE
1
Ignition switch in position 0.
2
Disconnect Roof Opening Panel Unit C919.
3
Ignition switch in position II.

4
Measure the voltage between roof opening panel unit C919-1, circuit 1173 (BN/OG), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to E2.
No
VERIFY the smart junction box (SJB) fuse 11 (15A) is OK. If OK, REPAIR the circuit. TEST the system for normal operation.
E2: CHECK CIRCUIT 57 (BK) FOR AN OPEN
1
Ignition switch in position 0.

2
Measure the resistance between roof opening panel unit C919-2, circuit 57 (BK), harness side and ground.

Is the resistance less than 5 ohms?
Yes
GO to E3.
No
REPAIR the circuit. TEST the system for normal operation.
E3: CHECK CIRCUIT (DB) FOR POWER
1
Ignition switch in position 0.
2
Disconnect Roof Opening Panel Module Connector.
3
Ignition switch in position II.

4
Measure the voltage between the roof opening panel module connector pin 6, circuit (DB), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to E4. .
No
REPAIR the circuit. TEST the system for normal operation.
E4: CHECK CIRCUIT (BK) FOR AN OPEN
1
Ignition switch in position 0.

2
Measure the resistance between the roof opening panel module connector pin 4, circuit (BK), harness side and ground.

Is the resistance less than 5 ohms?
Yes
GO to E5. .
No
REPAIR the circuit. TEST the system for normal operation.
E5: CHECK POWER TO THE ROOF OPENING PANEL MOTOR — CIRCUIT (OG)
1
Connect Roof Opening Panel Module Connector.
2
Disconnect Roof Opening Panel Motor Connector.
3
Ignition switch in position II.

4
While pressing the roof opening panel switch to the open position, measure the voltage between the roof opening panel motor connector pin 3, circuit (OG), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to E8. .
No
GO to E6. .
E6: CHECK CIRCUIT (OG) FOR AN OPEN
1
Ignition switch in position 0.
2
Disconnect Roof Opening Panel Module Connector.

3
Measure the resistance between the roof opening panel motor connector pin 3, circuit (OG), harness side and the roof opening panel module connector pin 8, circuit (OG), harness side.

Is the resistance less than 5 ohms?
Yes
GO to E7. .
No
REPAIR the circuit. TEST the system for normal operation.
E7: CHECK CIRCUIT (OG) FOR A SHORT TO GROUND

1
Measure the resistance between the roof opening panel motor connector pin 3, circuit (OG), harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
GO to E11. .
No
REPAIR the circuit. TEST the system for normal operation.
E8: CHECK VOLTAGE TO THE ROOF OPENING PANEL MOTOR — CIRCUIT (RD)

1
While pressing the roof opening panel switch to the closed position, measure the voltage between the roof opening panel motor connector pin 1, circuit (RD), harness side and ground.

Is the voltage greater than 10 volts?
Yes
INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor in this section. TEST the system for normal operation.
No
GO to E9. .
E9: CHECK CIRCUIT (RD) FOR AN OPEN
1
Ignition switch in position 0.
2
Disconnect Roof Opening Panel Module Connector.

3
Measure the resistance between the roof opening panel module connector pin 7, circuit (RD), harness side and the roof opening panel motor connector pin 1, circuit (RD), harness side.

Is the resistance less than 5 ohms?
Yes
GO to E10. .
No
REPAIR the circuit. TEST the system for normal operation.
E10: CHECK CIRCUIT (RD) FOR A SHORT TO GROUND

1
Measure the resistance between the roof opening panel motor connector pin 1, circuit (RD), harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
GO to E11. .
No
REPAIR the circuit. TEST the system for normal operation.
E11: CHECK THE ROOF OPENING PANEL SWITCH
1
Disconnect Roof Opening Panel Switch Connector.

2
Measure the resistance between the roof opening panel switch pins 2 and 3, component side while pressing the roof opening panel switch to the closed position; and between the roof opening panel switch pins 1 and 2, component side while pressing the roof opening panel switch to the open position.

Are the resistances less than 5 ohms?
Yes
GO to E12. .
No
INSTALL a new roof opening panel switch. TEST the system for normal operation.
E12: CHECK CIRCUIT (VT) FOR AN OPEN
1
Disconnect Roof Opening Panel Module Connector.
2
Connect Roof Opening Panel Switch Connector.

3
Measure the resistance between the roof opening panel module connector pin 3, circuit (VT), harness side and ground while pressing the roof opening panel switch to the closed position.

Is the resistance less than 5 ohms?
Yes
GO to E13. .
No
REPAIR the circuit. TEST the system for normal operation
E13: CHECK CIRCUIT (WH) FOR AN OPEN

1
Measure the resistance between the roof opening panel module connector pin 2, circuit (WH), harness side and ground while pressing the roof opening panel switch to the open position.

Is the resistance less than 5 ohms?
Yes
INSTALL a new roof opening panel module. REFER to Roof Opening Panel Module in this section. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.

Pinpoint Test F: The Roof Opening Panel Does Not Have Soft Stop

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

Normal Operation

The roof opening panel position switch removes ground from circuit (OG/WH) when the roof opening panel reaches the closed position and when the roof opening panel reaches the comfort position. In these positions the roof opening panel module will remove power from the roof opening panel motor.

    Possible Causes

  • Circuit (OG/WH) open or short to ground
  • Circuit (BK) open
  • Roof opening panel motor
  • Roof opening panel module

PINPOINT TEST F : THE ROOF OPENING PANEL DOES NOT HAVE SOFT STOP
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
F1: CHECK THE ROOF OPENING PANEL POSITION SWITCH FOR A SHORT TO GROUND IN THE CLOSED POSITION
1
Ignition switch in position II.
2
Close the roof opening panel.
3
Ignition switch in position 0.
4
Disconnect Roof Opening Panel Module Connector.

5
With the roof opening panel in the closed position, measure the resistance between the roof opening panel module connector pin 1, circuit (OG/WH), harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
GO to F3. .
No
GO to F2. .
F2: CHECK CIRCUIT (OG/WH) FOR A SHORT TO GROUND
1
Disconnect Roof Opening Panel Position Switch Connector.

2
Measure the resistance between the roof opening panel module connector pin 1, circuit (OG/WH), harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor in this section. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
F3: CHECK THE ROOF OPENING PANEL POSITION SWITCH FOR A SHORT TO GROUND IN THE COMFORT POSITION
1
Ignition switch in position 0.
2
Connect Roof Opening Panel Module Connector.
3
Ignition switch in position II.
4
Open the roof opening panel to the comfort position.
5
Ignition switch in position 0.
6
Disconnect Roof Opening Panel Module Connector.

7
With the roof opening panel in the comfort position, measure the resistance between the roof opening panel module connector pin 1, circuit (OG/WH), harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
GO to F4. .
No
INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor in this section. TEST the system for normal operation.
F4: CHECK THE ROOF OPENING PANEL POSITION SWITCH SIGNAL
1
Disconnect Roof Opening Panel Position Switch Connector.

2
Measure the voltage between the roof opening panel position switch connector pin 2, circuit (OG/WH), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to F6. .
No
GO to F5. .
F5: CHECK CIRCUIT (OG/WH) FOR AN OPEN

1
Measure the resistance between the roof opening panel module connector pin 1, circuit (OG/WH), harness side and the roof opening panel position switch connector pin 2, circuit (OG/WH), harness side.

Is the resistance less than 5 ohms?
Yes
INSTALL a new roof opening panel module. REFER to Roof Opening Panel Module in this section. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
F6: CHECK CIRCUIT (BK) FOR AN OPEN

1
Measure the resistance between the roof opening panel position switch connector pin 1, circuit (BK), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor in this section. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.

General Procedures > < Roof Opening Panel - Vehicles Built Up To: 12-2005