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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> Power Window Inoperative - Driver Door

Power Window Inoperative - Driver Door

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Power Window Inoperative - Driver 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 Door Systems Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Door Systems 
2 Verify that the inoperative driver door power window fault is present.
Does the driver door power window operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Are the driver door, LR and RR windows all inoperative? Go to Step 8  Go to Step 4 
4
  1. Disconnect the driver window motor harness connector.
  2. Turn ON the ignition, with the engine OFF.
  3. Probe the power window motor left front up control circuit of the harness with a test lamp that is connected to a good ground.
  4. Operate the driver window switch to the UP position.
Does the test lamp illuminate?
Go to Step 5  Go to Step 6 
5
  1. Connect a test lamp between the power window motor left front up control circuit of the harness connector and the power window motor left front down control circuit of the harness connector.
  2. Operate the driver window switch to the DOWN position.
Does the test lamp illuminate?
Go to Step 9  Go to Step 7 
6 Test the power window motor left front up control circuit of the driver window motor for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 10 
7 Test the power window motor left front down control circuit of the driver window motor for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 10 
8 Test the accessory voltage circuit of the driver window switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 10 
9 Inspect for poor connections at the harness connector of the driver window motor. 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 13  Go to Step 11 
10 Inspect for poor connections at the harness connector of the driver 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 13  Go to Step 12 
11 Replace the driver window motor. Refer to Window Regulator Replacement - Front Door .
Did you complete the repair?
Go to Step 13  -
12 Replace the driver window switch. Refer to Mirror, Window, and Door Lock Switch Replacement .
Did you complete the repair?
Go to Step 13  -
13 Operate the system in order to verify the repair.
Did you find and correct the condition?
System OK Go to Step 2