Test Description

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

5: This step tests the integrity of the battery positive voltage circuit, not the fuse.

Power Sunroof Inoperative

Step	Action	Yes	No
Schematic Reference: Sunroof Schematics Connector End View Reference: Sunroof Connector End Views
1	Did you review the Power Sunroof Description and Operation and perform the necessary inspections?	Go to Step 2	Go to Sunroof Description and Operation
2	Operate the power sunroof. Does the system operate normally?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	Disconnect the sunroof switch from the harness connector. Turn ON the ignition, with the engine OFF. Probe the accessory voltage circuit of the sunroof switch harness connector with a test lamp that is connected to a good ground. Does the test lamp illuminate?	Go to Step 4	Go to Step 5
4	Connect a test lamp between the accessory voltage circuit and the ground circuit of the sunroof switch harness connector. Does the test lamp illuminate?	Go to Step 7	Go to Step 14
5	Test the accessory voltage circuit of the sunroof switch for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 17	Go to Step 6
6	Probe each of the sunroof motor control circuits of the sunroof switch harness connector with a test lamp that is connected to battery positive voltage. Did the test lamp illuminate at any of the sunroof motor control circuits?	Go to Step 12	Go to Step 10
7	Connect the sunroof switch to the harness connector. Connect a test lamp between the sunroof motor open control circuit of the sunroof actuator motor harness connector and a good ground. Press the sunroof switch to the open position for 3 seconds. Did the test lamp illuminate?	Go to Step 8	Go to Step 13
8	Connect a test lamp between the sunroof motor close control circuit of the sunroof actuator motor harness connector to a good ground. Press the sunroof switch to the close position for 3 seconds. Does the test lamp illuminate?	Go to Step 9	Go to Step 13
9	Connect a test lamp between the sunroof motor open and close control circuits of the sunroof actuator motor harness connector. Press the sunroof switch to the close position for 3 seconds. Does the test lamp illuminate?	Go to Step 11	Go to Step 15
10	Inspect for poor connections at the harness connector of the sunroof switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 17	Go to Step 15
11	Inspect for poor connections at the harness connector of the sunroof actuator motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 17	Go to Step 16
12	Repair the short to ground in the sunroof motor control circuits. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 17	-
13	Repair the open in the sunroof motor control circuit. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 17	-
14	Repair the open in the sunroof switch ground circuit. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 17	-
15	Replace the sunroof switch. Refer to Sunroof Switch Replacement . Did you complete the replacement?	Go to Step 17	-
16	IMPORTANT: Perform the sunroof motor synchronization procedure. Refer to the appropriate procedure. Replace the sunroof actuator motor. Refer to Sunroof Motor/Actuator Replacement .Did you complete the replacement?	Go to Step 17	-
17	Turn OFF the ignition. Disconnect any jumper wires. Connect all previously disconnected components. Turn ON the ignition, with the engine OFF. Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3