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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1519 (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 Chevrolet Corvette. 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: Door Control Module 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 driver door power window inoperative fault is present.
Does the driver door power window operate normallly?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Are the power mirrors and driver door lock inoperative also? Go to Step 6  Go to Step 4 
4
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the Driver Window Down Switch and Driver Window Up Switch parameters in the Left Door Control Module data list.
  4. Operate the driver window switch UP and DOWN.
Does the scan tool display Active for the Driver Window Down Switch and Driver Window Up Switch parameters?		 Go to Step 5  Go to Step 7 
5
  1. Turn OFF the ignition.
  2. Disconnect the driver window motor.
  3. Turn ON the ignition, with the engine OFF.
  4. Connect a test lamp between the power window left front up control circuit of the driver window motor and the power window left front down control circuit of the driver window motor.
  5. Operate the driver window switch UP and DOWN.
Does the test lamp illuminate in both directions?		 Go to Step 9  Go to Step 8 
6 Test the driver door switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 10 
7 Test the power window master switch left front signal circuits for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 10 
8 Test the power window motor left front control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 11 
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 15  Go to Step 12 
10 Inspect for poor connections at the harness connector of the driver door 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 15  Go to Step 13 
11 Inspect for poor connections at the harness connector of the driver door module (DDM). 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 15  Go to Step 14 
12 Replace the driver window motor. Refer to Window Regulator Replacement .
Did you complete the replacement?		 Go to Step 15  -
13 Replace the driver door switch. Refer to Front Door Switch Replacement .
Did you complete the replacement?		 Go to Step 15  -
14 Replace the driver door module. Refer to Door Control Module Replacement .
Did you complete the replacement?		 Go to Step 15  -
15 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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