GM Service Manual Online
For 1990-2009 cars only

Power Windows Inoperative - One 2 Door

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Window System Check?

 

Go to Step 2

Go to Power Windows System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Disconnect the master window switch harness connector.
  3. Use the J 39200 Digital Multimeter (DMM) in order to measure the voltage between terminal H of the master window switch harness connector and ground.

Does the voltage equal the specified value?

B+

Go to Step 3

Go to Step 4

3

Use the J 39200 DMM in order to measure the voltage between terminal G and terminal H of the master window switch harness connector.

Does the voltage equal the specified value?

B+

Go to Step 5

Go to Step 6

4

Repair the open in CKT 141 between the fuse block and the master window switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

System OK

--

5

Repair the master window switch. Refer to Front Side Door Window Switch Replacement .

Did you complete the repair?

--

System OK

--

6

Repair the open in CKT 150 between the master window switch and ground G304. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

System OK

--

Power Windows Inoperative - One 4 Door

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Window System Check?

--

Go to Step 2

Go to Power Windows System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Disconnect the master window switch harness connector C1.
  3. Use the J 39200 Digital Multimeter (DMM) in order to measure the voltage between terminal C of the master window switch harness connector C1 and ground.

Does the voltage equal the specified value?

B+

Go to Step 2

Go to Step 3

3

Use the J 39200 DMM in order to measure the voltage between terminal A and terminal C of the master window switch harness connector C1.

Does the voltage equal the specified value?

B+

Go to Step 4

Go to Step 5

4

Repair the open in CKT 141 between the fuse block and the master window switch. Refer to Wiring Repairs in Wiring Sysems.

Did you complete the repair?

--

System OK

--

5

Repair the master window switch. Refer to Front Side Door Window Switch Replacement .

Did you complete the repair?

--

System OK

--

6

Repair the open in CKT 150 between the master window switch and ground G304. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

System OK

--