Pinpoint Test B: The Roof Opening Panel Leaks

Roof Opening Panel

Pinpoint Test B: The Roof Opening Panel Leaks

Normal Operation

The roof opening panel frame has 2 drain channels located under the side trim panels to direct water externally to the front and rear corners of the roof. There are no drain hoses in this system. When the roof opening panel glass is completely closed, it is flush with the roof panel and correctly sealed.

This pinpoint test is intended to diagnose the following:

- Roof opening sliding glass panel motor not initialized

- Roof opening panel drain channel blockage

- Roof opening panel primary seal

- Roof opening panel front trim panel seal

- Windshield

- Antenna

- Roof opening panel frame

- Roof opening panel fixed rear glass urethane adhesive seal

PINPOINT TEST B : THE ROOF OPENING PANEL LEAKS

B1 CHECK THE ROOF OPENING PANEL MOTOR INITIALIZATION

- Carry out the roof opening panel motor initialization procedure. Refer to Roof Opening Panel Motor Initialization .

Is the concern still present?

Yes
GO to B2.

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

B2 CHECK THE ROOF OPENING PANEL DRAIN CHANNELS FOR BLOCKAGE

- Check the roof opening panel drain channels for blockage. Refer to Water Drainage System Check and Water Leak Corrections .

Was any drain channel blockage present?

Yes
CLEAR the drain channel blockage. TEST the system for normal operation.

No
GO to B3.

B3 VERIFY THE LEAK LOCATION

- Lower the headliner.

- Check the roof opening panel and windshield for leaks.

Is the leak coming from the windshield?

Yes
RESEAL the windshield. REFER to Windows and Glass. TEST the system for normal operation.

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 fixed glass panel area of the roof opening panel?

Yes
GO to B6.

No
GO to B5.

B5 CHECK THE ROOF OPENING PANEL PRIMARY SEAL CONDITION

- Check the roof opening panel primary seal for damage and correct installation. Carefully pull up on the seal to verify correct adhesion.

Is the roof opening panel primary seal OK?

Yes
GO to B7.

No
INSTALL a new roof opening panel primary seal. REFER to Roof Opening Panel - Exploded View and Roof Opening Panel Seal - Primary . TEST the system for normal operation.

B6 CHECK THE ROOF OPENING PANEL FIXED REAR GLASS URETHANE ADHESIVE SEAL

- Check the roof opening panel fixed rear glass urethane adhesive seal for damage.

Is the roof opening panel fixed rear glass urethane adhesive seal OK?

Yes
GO to B8.

No
If the leak is at the front or sides of the fixed glass panel, it is possible to reseal the area from the inside by removing the trim ring. If resealing the area does not correct the problem or the leak is at the rear of the fixed glass panel, REMOVE and REINSTALL the existing rear fixed glass assembly. REFER to Roof Opening Panel - Exploded View and Roof Opening Panel Glass - Rear Fixed . TEST the system for normal operation.

B7 CHECK THE ROOF OPENING PANEL FRONT TRIM AND ANTENNA SEAL

- Check the antenna seal and roof opening panel front trim urethane adhesive seal for damage.

Is the roof opening panel front trim and antenna seal OK?

Yes
GO to B8.

No
For the antenna seal, REFER to Accessories and Optional Equipment. For the front trim panel, REFER to Roof Opening Panel Trim - Front . TEST the system for normal operation.

B8 CHECK THE CONDITION OF THE ROOF OPENING PANEL TRACK ASSEMBLY

- Check the roof opening panel track assembly for damage.

Is the roof opening panel track assembly OK?

Yes
INSPECT other areas of the vehicle that may cause water to enter the roof area, such as the windshield or the rear window.

No
INSTALL a new roof opening panel track component. REFER to Roof Opening Panel - Exploded View and Roof Opening Panel Frame . TEST the system for normal operation.