Schematic Reference: Sunroof Schematics

DEFINITION: Sunroof only slides between the closed and vent positions, does not open.

Did you perform the A Diagnostic System Check - Power Sunroof?

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Go to Step 2

Go to Diagnostic System Check - Power Sunroof

2

Operate the power sunroof to the open 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. Turn the ignition ON, with the engine OFF.
2. Activate the sunroof switch to close the sunroof.
3. Measure the voltage between the limit switch LS2 circuit at the sunroof control module connector and limit switch low reference circuit at the sunroof control module connector.

Does the voltage measure near the specified value?

5V

Go to Step 6

Go to Step 4

4

1. Disconnect the connector to the Position Encoder System (PES) module (limit switches).
2. Test the limit switch LS2 circuit for 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 7

Go to Step 5

Replace the PES module. Refer to Sunroof Position Encoding System Switch Replacement .

Did you complete the replacement?

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Go to Step 7

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Replace the sunroof module. Refer to Power Sunroof Express Module Replacement .

Did you complete the replacement?

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Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3