Power Window Inoperative - Driver Door

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Power Window Schematics
1	Did you perform the Door Systems Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Door Systems
2	Operate the driver power window in the UP and DOWN directions. Does the driver power window operate properly?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Install a scan tool. Monitor the driver window status data parameter in the driver door inputs list. Does the driver window status data parameter display an active state?	Go to Step 11	Go to Step 4
4	Monitor the driver window status data parameter in the driver door module inputs list. Activate the driver power window switch in the up and down positions. Does the driver window status data parameter change accordingly?	Go to Step 5	Go to Step 11
5	Connect a test lamp to a good ground. Backprobe the battery positive voltage circuit at connector C1 cavity D. Does the test lamp illuminate?	Go to Step 6	Go to Step 13
6	Disconnect the driver power window motor. Connect a test lamp to a good ground. Probe the power window motor up control circuit at the power window motor harness connector. Activate the power window switch to the UP position. Does the test illuminate?	Go to Step 7	Go to Step 9
7	With the test lamp still connected to a good ground, probe the power window motor down control circuit. Activate the power window switch to the DOWN position. Does the test lamp illuminate?	Go to Step 8	Go to Step 10
8	Connect a test lamp between the power window motor up and down control circuits. Activate the power window switch to the UP and DOWN positions. Does the test lamp illuminate in both positions?	Go to Step 12	Go to Step 11
9	Test for an open or short to ground in the power window motor up control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 11
10	Test for an open or short to ground in the power window motor down control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 11
11	Inspect for poor connections at the driver door 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 16	Go to Step 14
12	Inspect for poor connections at the driver power 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 16	Go to Step 15
13	Repair the open or short to ground in the battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 16	-
14	IMPORTANT: Perform the set up procedure for the driver door module. Refer to DCM Programming/RPO Configuration . Replace the driver door module. Refer to Switch Replacement - Door Lock and Side Window - Driver Did you complete the repair?	Go to Step 16	-
15	Replace the driver power window motor. Refer to Window Regulator Replacement - Front Door . Did you complete the repair?	Go to Step 16	-
16	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3