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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> Power Window Inoperative - Passenger Door

Power Window Inoperative - Passenger Door

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Power Window Inoperative - Passenger Door

Step Action Yes No
Schematic Reference: Power Window Schematics 
Connector End View Reference: Power Door Systems Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Verify that the inoperative passenger door power window fault is present.
Do the passenger door power windows operate normally?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 Is the inoperative window the front passenger window? Go to Step 4  Go to Power Windows Inoperative - One or Both Rear Windows 
4
  1. Disconnect the harness connector of the front passenger window switch.
  2. Turn ON the ignition, with the engine OFF.
  3. Probe the power window switch voltage supply circuit of the harness connector with a test lamp that is connected to ground.
Does the test lamp illuminate?
Go to Step 5  Go to Step 12 
5
  1. Connect a test lamp between the power window master switch up signal circuit of the inoperative window switch and the power window master switch down signal circuit of the inoperative window switch.
  2. Operate the driver window switch to the UP and DOWN positions.
Does the test lamp illuminate in both positions?
Go to Step 6  Go to Step 7 
6
  1. Connect the inoperative window switch.
  2. Disconnect the inoperative window motor.
  3. Connect a test lamp between the power window motor up circuit of the inoperative window motor and the power window motor down circuit of the inoperative window motor.
  4. Operate the inoperative window switch to the UP and DOWN positions.
Does the test lamp illuminate in both positions?
Go to Step 10  Go to Step 8 
7 Test the power window master switch signal circuits of the inoperative window switch for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 16  Go to Step 9 
8 Test the inoperative window motor up and down circuits of the inoperative window motor 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 16  Go to Step 11 
9 Inspect for poor connections at the harness connector of the driver window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 16  Go to Step 13 
10 Inspect for poor connections at the harness connector of the inoperative window motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 16  Go to Step 14 
11 Inspect for poor connections at the harness connector of the inoperative window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 16  Go to Step 15 
12 Repair the open in the power window switch voltage supply circuit. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?
Go to Step 16  -
13 Replace the driver window switch. Refer to Power Window Switch Replacement .
Did you complete the replacement?
Go to Step 16  -
14 Replace the inoperative window motor. Refer to Window Regulator Motor Replacement - Front Door .
Did you complete the replacement?
Go to Step 16  -
15 Replace the inoperative window switch. Refer to Power Window Switch Replacement .
Did you complete the replacement?
Go to Step 16  -
16 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2