Schematic Reference: Body Rear End Schematics

Connector End View Reference: Body Rear End Connector End Views

Did you perform the vehicle Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Verify that the endgate power window is inoperative.

Does the endgate power window operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, command the endgate window UP and DOWN.

Does the endgate window go UP and DOWN?

Go to Step 9

Go to Step 4

1. With a scan tool, observe the window motor parameter in the End Gate Module data list.
2. Activate the endgate window switch to UP and DOWN.

Does the scan tool display Idle?

Go to Step 12

Go to Step 5

1. Disconnect the endgate window motor electrical connector.
2. Probe the endgate window regulator down signal circuit with a test lamp that is connected to a good ground.
3. With a scan tool, command the endgate window DOWN.

Does the test lamp illuminate?

Go to Step 6

Go to Step 15

1. Connect a test lamp between the endgate window regulator down signal circuit and the ground circuit of the endgate window motor electrical connector.
2. With a scan tool, command the endgate window DOWN.

Does the test lamp illuminate?

Go to Step 7

Go to Step 16

1. Probe the endgate window regulator up signal circuit with a test lamp that is connected to a good ground.
2. With a scan tool, command the endgate window UP.

Does the test lamp illuminate?

Go to Step 8

Go to Step 17

1. Connect a test lamp between the endgate window regulator up signal circuit and the ground circuit of the endgate window motor electrical connector.
2. With a scan tool, command the endgate window UP.

Does the test lamp illuminate?

Go to Step 13

Go to Step 16

1. With a scan tool, observe the endgate window switch parameter in the Power Roof Module data list.
2. Activate the endgate window switch to UP and DOWN

Does the scan tool display Idle?

Go to Step 10

Go to Step 12

Test the endgate overhead console switch down signal circuit for an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 21

Go to Step 11

Test the endgate overhead console switch up signal circuit for an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 21

Go to Step 14

Inspect for poor connections at the harness connector of the endgate module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 21

Go to Step 18

Inspect for poor connections at the harness connector of the endgate window motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 21

Go to Step 19

Inspect for poor connections at the harness connector of the endgate window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 21

Go to Step 20

Repair the open in the endgate window regulator down signal circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 21

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Repair the open in the ground circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 21

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Repair the open in the endgate window regulator up signal circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 21

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1. Perform the endgate window learn procedure. Refer to Control Module References for replacement, setup, and programming.
2. Replace the endgate module. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 21

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1. Perform the endgate window learn procedure. Refer to Control Module References for replacement, setup, and programming.
2. Replace the endgate window regulator. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 21

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Replace the endgate window switch. Refer to Endgate Window, Midgate Window, and Rear Moveable Roof Switch Assembly Replacement - Overhead Console .

Did you complete the replacement?

Go to Step 21

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2