Roof Opening Panel

Special Tool(s)

Principles of Operation

Roof Opening Panel

The roof opening panel assembly uses an integrated motor and module to operate the roof opening panel. The roof opening panel motor and module are installed new as an assembly. The roof opening panel is an electronically operated glass panel that can be opened, closed or vented by the roof opening panel switch.

The roof opening panel motor must be initialized when repairs are carried out on any part of the roof opening panel system, including: whenever the roof opening panel motor has been removed from the roof opening panel system, the roof opening panel glass has been removed from the roof opening panel system, the roof opening panel assembly has been removed from the vehicle, a new roof opening panel motor has been installed, a new roof opening panel glass has been installed or a new roof opening panel assembly has been installed.

Global Open

NOTE: The global open feature may be enabled/disabled via 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 Section 418-01.

When the unlock button of the Remote Keyless Entry (RKE) transmitter is held for 2 seconds, the global open activates. The Body Control Module (BCM) sends a signal to activate the one-touch vent operation of the roof opening panel. The global open feature does not operate if the delay accessory is active.

Inspection and Verification

1. Verify the customer concern by operating the system.

2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

4. If the concern is not visually evident, determine the symptom. GO to Symptom Chart - Roof Opening Panel or GO to Symptom Chart - NVH.

Symptom Chart - Roof Opening Panel

Symptom Chart - NVH

NOTE: NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to Section 100-04. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to Section 100-04 for the next likely system and continue diagnosis.

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.

This pinpoint test is intended to diagnose the following:
• Roof opening panel adjustment
• Roof opening panel seal/weatherstrip
• Roof opening panel and motor/module

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

Pinpoint Test B: The Roof Opening Panel Leaks

Normal Operation

When the roof opening panel glass is completely closed, it should be within specifications. Refer to Specifications in this section.

This pinpoint test is intended to diagnose the following:
• Roof opening panel adjustment
• Roof opening panel drain hose(s)
• Roof opening panel seal/weatherstrip
• Roof opening panel frame
• Roof opening panel trough

PINPOINT TEST B: THE ROOF OPENING PANEL LEAKS

Pinpoint Test C: The Roof Opening Panel Rattles

Normal Operation

When the roof opening panel glass is completely closed, it should be within specifications. Refer to Specifications in this section. All components should be secured correctly.

This pinpoint test is intended to diagnose the following:

• Roof opening panel glass
• Roof opening panel air deflector assembly
• Roof opening panel trough
• Roof opening panel lifter assemblies
• Headliner
• Roof opening panel motor/module pad
• Roof opening panel frame

PINPOINT TEST C: THE ROOF OPENING PANEL RATTLES

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

Normal Operation

The roof opening panel operates smoothly and quietly while opening and closing.

This pinpoint test is intended to diagnose the following:
• Roof opening panel lifter assemblies
• Roof opening panel adjustment
• Roof opening panel motor/module assembly

PINPOINT TEST D: THE ROOF OPENING PANEL IS NOISY DURING OPERATION

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

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

The roof opening panel motor must be initialized when repairs are carried out on any part of the roof opening panel system, including: whenever the roof opening panel motor has been removed from the roof opening panel system, the roof opening panel glass has been removed from the roof opening panel system, the roof opening panel assembly has been removed from the vehicle, a new roof opening panel motor has been installed, a new roof opening panel glass has been installed or a new roof opening panel assembly has been installed. Refer to Roof Opening Panel Motor Initialization in this section.

Normal Operation

The roof opening panel uses an integrated motor and module to operate the roof opening panel. A new roof opening panel motor/module is installed as an assembly.

The roof opening panel motor/module receives voltage from the accessory delay relay through circuit CBP38 (GY/BU) when the key is in the ACC or RUN position. The roof opening panel motor/module provides ground to the roof opening panel switch through circuit CPR39 (VT/WH). When the roof opening panel slide switch is pulled, a signal is sent to the roof opening panel motor/module through circuit CPR40 (YE/OG), which causes the roof opening panel to close. When the roof opening panel slide switch is pressed, a signal is sent to the roof opening panel motor/module through circuit CPR31 (VT/BN), which causes the roof opening panel to open.

This pinpoint test is intended to diagnose the following:

• Fuse(s)
• Wiring, terminals or connectors
• Roof opening panel switch
• Roof opening panel motor/module assembly
• Accessory delay relay

PINPOINT TEST E: THE ROOF OPENING PANEL DOES NOT OPEN OR CLOSE

NOTICE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Pinpoint Test F: The Roof Opening Panel Does Not Open or Close in VENT Position

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

The roof opening panel motor must be initialized when repairs are carried out on any part of the roof opening panel system, including: whenever the roof opening panel motor has been removed from the roof opening panel system, the roof opening panel glass has been removed from the roof opening panel system, the roof opening panel assembly has been removed from the vehicle, a new roof opening panel motor has been installed, a new roof opening panel glass has been installed or a new roof opening panel assembly has been installed. Refer to Roof Opening Panel Motor Initialization in this section.

Normal Operation

The roof opening panel uses an integrated motor and module to operate the roof opening panel. A new roof opening panel motor/module is installed as an assembly.

The roof opening panel motor/module receives voltage from the accessory delay relay through circuit CBP38 (GY/BU) when the key is in the ACC or RUN position. The roof opening panel motor/module provides ground to the roof opening panel switch through circuit CPR39 (VT/WH). When the roof opening panel tilt switch is pressed, a signal is sent to the roof opening panel motor/module through circuit CPR38 (WH/BU), which causes the roof opening panel to open to the VENT position. When the roof opening panel slide switch is pulled, a signal is sent to the roof opening panel motor/module through circuit CPR40 (YE/OG), which causes the roof opening panel to close.

This pinpoint test is intended to diagnose the following:

• Wiring, terminals or connectors
• Roof opening panel switch
• Roof opening panel motor/module assembly

PINPOINT TEST F: THE ROOF OPENING PANEL DOES NOT OPEN OR CLOSE IN VENT POSITION

NOTICE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Pinpoint Test G: The Global Open Function is Inoperative

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

NOTE: The global open feature may be enabled/disabled via 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 Section 418-01.

Normal Operation

When the global open feature is activated, the Body Control Module (BCM) sends a signal through circuit CPW01 (BN/BU) to the roof opening panel motor to open the roof opening panel sliding glass to the VENT position. The global open feature does not function when the delayed accessory is active.

The front door window motors use CPW01 (BN/BU) for the global open signal. Any interference in the circuit or the window motor may cause the global open feature to not operate correctly.

This pinpoint test is intended to diagnose the following:

• Wiring, terminals or connectors
• BCM
• Roof opening panel motor/module
• Remote Keyless Entry (RKE) transmitters
• Roof opening panel not initialized
• Front door window motors

PINPOINT TEST G: THE GLOBAL OPEN FUNCTION IS INOPERATIVE

NOTICE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.