Diagnostic Routine B

Diagnostic Routine B

Diagnostic Overview

The Roof Opening Panel Does Not Open or Close - Sliding Glass Panel

Refer to Wiring Diagram Set 101 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

REFER to Roof Opening Panel - Sliding Glass Panel Operation .

Visual Inspection and Diagnostic Pre-checks

Verify that BJB (Battery Junction Box) fuse 8 (20A) and BCM (Body Control Module) fuse 38 (10A) are OK.

Pinpoint Test

1. CHECK THE POWER WINDOW OPERATION

1. Ignition ON.

2. Verify the power windows operate.

Do the power windows operate?








2. CHECK THE FRONT SLIDING GLASS PANEL MOTOR FOR INITIALIZATION

1. Carry out the front sliding glass panel motor initialization procedure. REFER to Roof Opening Panel Motor Initialization - Sliding Glass Panel Roof Opening Panel Motor Initialization - Sliding Glass Panel.

Is the concern still present?








3. CHECK THE ROOF OPENING PANEL CONTROL SWITCH

1. Ignition OFF.

2. Disconnect: Roof Opening Panel Control Switch.

3. Carry out the Roof Opening Panel Control Switch Component Test.

Is the roof opening panel switch OK?








4. CHECK FOR VOLTAGE TO THE FRONT SLIDING GLASS PANEL MODULE

1. Disconnect Roof Opening Panel Module electrical connector.

2. Ignition ON.

3. Measure:





Are the voltages greater than 11 volts?








5. CHECK THE FRONT SLIDING GLASS PANEL MODULE GROUND

1. Ignition OFF.

2. Measure:





Is the resistance less than 3 ohms?








6. CHECK THE SLIDING GLASS CONTROL CIRCUITS FOR AN OPEN

1. Measure:





Are the resistances less than 3 ohms?








7. CHECK THE SLIDING GLASS CONTROL CIRCUITS FOR A SHORT TO GROUND

1. Measure:





Are the resistances greater than 10,000 ohms?








8. CHECK THE ROOF OPENING PANEL MODULE FOR CORRECT OPERATION

1. Ignition OFF.

2. Disconnect and inspect the roof opening panel module connector.

3. Repair:

- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

4. Reconnect the roof opening panel module connector. Make sure it seats and latches correctly.

5. Operate the system and determine if the concern is still present.

Is the concern still present?