For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Window Schematics
1 | Did you perform the Diagnostic System Check for the door systems? | Go to Step 2 | Go to Diagnostic System Check - Door Systems
2 | Verify that the driver power window is inoperative. Does the power window operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 |

1. Turn ON the ignition, with the engine OFF.
2. Disconnect the driver window motor.
3. Connect a test lamp between the up and down circuits of the driver window at the harness connector.
4. Press the driver window switch up and down.

Did the test lamp illuminate when the window was commanded up or commanded down?

Go to Step 4

Go to Step 5

4 | Did the test lamp illuminate when the window was commanded up and commanded down? | Go to Step 6 | Go to Step 8
5 | Test the up and down circuits to the window motor for an open. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 7
6 | Inspect for poor connections at the window regulator. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10
7 | Inspect for poor connections at the window switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 9
8 | Repair the short to ground in one of the up or down circuits of the driver window motor. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | --
9 | Replace the driver window switch. Refer to Front Side Door Window Switch Replacement - Left Side . Did you complete the repair? | Go to Step 11 | --
10 | Replace the driver window motor. Refer to Front Side Door Window Regulator Replacement . Did you complete the repair? | Go to Step 11 | --
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2