Schematic Reference: Power Window Schematics

Connector End View Reference: Power Door Systems Connector End Views

DEFINITION: This diagnostic is used when only the Express Up function of a power window is inoperative. This test assumes that all DTCs have been diagnosed.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Verify that the Power Windows Inoperative - Express Up Function complaint is present.

Does the power windows express up system operate as described in the Description and Operation?

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

Go to Step 3

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With the scan tool, observe the appropriate Driver LF, LR, RF, or RR Window Switch parameters in the driver door switch assembly (DDSA) data list.
4. Using the appropriate window switch on the DDSA, attempt to operate the inoperative window to the express up position.

Did the parameter change from the Idle state to the Express Up state?

Go to Step 4

Go to Step 8

1. With the scan tool, select the door control module associated with the inoperative window.
2. Observe the Window Switch parameter of the inoperative window.
3. Operate the passenger door window switch of the inoperative window to the Express Up position.

Did the parameter change from the Idle state to the Express Up state?

Go to Step 9

Go to Step 5

1. Turn OFF the ignition.
2. Disconnect the harness connector of the window switch associated with the inoperative window.
3. Connect a 3-amp fused jumper wire between the power window switch up signal circuit and the power window switch ground circuit at the harness connector.
4. Connect an additional 3-amp fused jumper wire between the power window switch express signal circuit and the power window ground circuit at the harness connector.
5. Turn ON the ignition, with the engine OFF.

Does the Window Switch parameter change from the Idle state to the Express Up state?

Go to Step 10

Go to Step 6

Test the power window switch express signal circuit of the inoperative window for an open, high resistance, or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 7

Inspect for poor connections at the harness connector of the inoperative door control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 11

Inspect for poor connections at the harness connector of the DDSA. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 12

Inspect for poor connections at the harness connector of the inoperative window sensor/motor assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 13

Inspect for poor connections at the harness connector of the inoperative power window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 14

Important: Test the battery positive voltage circuit of the appropriate window sensor/motor for a short to ground before replacing the door module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Replace the appropriate door control module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.

Did you complete the replacement?

Go to Step 15

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Replace the DDSA. Refer to Front Door Switch Replacement .

Did you complete the replacement?

Go to Step 15

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Replace the inoperative window sensor/motor assembly. Refer to Front Side Door Window Regulator Replacement or Rear Side Door Window Regulator Replacement .

Did you complete the replacement?

Go to Step 15

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Replace the inoperative power window switch. Refer to Front Door Switch Replacement or Rear Side Door Window Switch Replacement .

Did you complete the replacement?

Go to Step 15

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1. Re-initialize the window sensor/motor. Refer to Window Motor Programming - Express Function .
2. Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2