GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Windows System Check performed?

--

Go to Step 2

Go to Power Windows System Check

2

Check condition of the PWR WDO fuse.

Is PWR WDO fuse open?

--

Go to Step 5

Go to Step 3

3

  1. Disconnect the left front door power side window switch.
  2. Connect a J 39200 between the left front door power side window switch connector, cavity G for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 6

4

  1. Place the ignition switch in the ACCY position.
  2. Connect an unpowered test lamp between the left front door power side window switch connector, cavity H for CKT 343 (YEL), and ground.

Does the test lamp light?

--

Go to Step 7

Go to Step 8

5

Repair the short to ground in CKT 343 (YEL) between the IP fuse block and the left front or right front door power side window switch.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Windows System Check

--

6

Repair the open in CKT 150 (BLK) between the left front door power side window switch and ground G201.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Windows System Check

--

7

Replace the left front door power side window switch.

Refer to Front Side Door Window Switch Replacement

Is the repair complete?

--

Go to Power Windows System Check

--

8

Repair the open in CKT 343 (YEL) between the IP fuse block and splice S229.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Windows System Check

--