Power Window Inoperative - Driver Door. Buick Regal (China) 2001

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2001 🢒 Regal (China) 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Inoperative - Driver Door

Step	Action	Yes	No
Power Window Schematics
1	Did you review the Power Windows Description and Operation and perform the necessary inspections?	Go to Step 2	Go to Symptoms - Doors
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	Go to Step 3
3	Disconnect the LF window regulator motor. Turn ON the ignition, with the engine OFF. Probe the power window motor left front up circuit of the LF window regulator motor with a test lamp connected to a good ground. Press the LF window switch to the up position. Does the test lamp illuminate?	Go to Step 4	Go to Step 5
4	Connect a test lamp between the power window motor left front up and down circuits of the LF window regulator motor. Press the LF window switch to the down position. Does the test lamp illuminate?	Go to Step 7	Go to Step 6
5	Test the power window motor left front up circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 8
6	Test the power window motor left front down circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 8
7	Inspect for poor connections at the LF window regulator 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 11	Go to Step 9
8	Inspect for poor connections at the LF 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 11	Go to Step 10
9	Replace the LF window regulator motor. Refer to Front Side Door Window Regulator Replacement . Did you complete the replacement?	Go to Step 11	--
10	Replace the LF window switch. Refer to Front Side Door Window Switch Replacement . Did you complete the replacement?	Go to Step 11	--
11	Operate the system in order to verify the repair. Did you find and correct the condition?	System OK	Go to Step 3