Schematic Reference: Sunroof Schematics

1

Did you perform the Power Sunroof Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Power Sunroof

1. Turn ON the ignition, with engine OFF.
2. Turn sunroof switch to the vent position. For a description of sunroof switch positions, refer to Power Roof Systems Component Views .
3. Turn sunroof switch to the fully open position.
4. Turn sunroof switch to the fully closed position.

Does the system operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Perform the setup procedure for the sunroof actuator. Refer to Sunroof Motor Synchronization .
2. Operate the system to verify the setup procedure.

Does the system operate normally?

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System OK

Go to Step 4

1. Install a scan tool.
2. Turn ON ignition, with engine OFF.
3. With a scan tool, observe the Ignition Status parameter in the Power Roof data list.

Does the Ignition Status parameter display On?

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Go to Step 9

Go to Step 5

1. Turn OFF ignition.
2. Open any door.
3. Disconnect the sunroof actuator connector.
4. Turn ON ignition, with engine OFF.
5. Measure the sunroof ignition voltage circuit to a good ground at the sunroof actuator harness connector.

Does the voltage measure near the specified value?

B+

Go to Step 6

Go to Step 7

Inspect for poor a connection at the harness connector of the sunroof ignition voltage circuit. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 10

Go to Step 9

Test the ignition voltage circuit for an open, high resistance or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 10

Go to Step 8

Inspect for poor a connection at the harness connector of the sunroof ignition voltage circuit. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.

Did you correct the repair?

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Go to Step 10

Go to Step 9

Replace the sunroof actuator. Refer to Power Sunroof Motor Replacement .

Did you complete the repair?

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Go to Step 10

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1. Remove the scan tool.
2. If necessary, replace the Clamp 15 Cruise fuse.
3. Connect all connectors.
4. Perform the set up procedure. Refer to Sunroof Motor Synchronization .
5. Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3