GM Service Manual Online
For 1990-2009 cars only

Power Window Express Down Function Inoperative LH Front Window Express Inop

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

Does the LH front side door window regulator motor operate properly from the LH front side door window switch?

--

Go to Step 4

Go to Step 3

3

Go to Power Windows Inoperative from Left Front Switch for diagnosis.

Is the repair complete?

--

Go to Step 7

--

4

  1. Program the LH front side door window regulator motor.
  2. Refer to Window Motor Programming - Express Function in Doors.

Is the programming complete?

--

Go to Step 5

--

5

Does the LH front side door regulator motor express UP and DOWN operate properly?

--

System OK

Go to Step 6

6

Replace the LH front side door window regulator motor. Refer to Front Side Door Window Regulator Replacement in Doors.

Is the replacement complete?

--

Go to Step 7

--

7

  1. Connect all connectors and components that were disconnected.
  2. Verify that the LH front side door regulator motor express UP and DOWN feature operates properly.

Does the LH front side door regulator motor express UP and DOWN feature operate properly?

--

System OK

Go to Step 1

Power Window Express Down Function Inoperative LH Rear Window Express Inop

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

Does the LH rear side door window regulator motor operate properly from the LH front side door window switch?

--

Go to Step 4

Go to Step 3

3

Go to Power Windows Inoperative from Left Front Switch for diagnosis.

Is the repair complete?

--

Go to Step 7

--

4

  1. Program the LH rear side door window regulator motor.
  2. Refer to Window Motor Programming - Express Function in Doors.

Is the programming complete?

--

Go to Step 5

--

5

Does the LH rear side door regulator motor express UP and DOWN operate properly?

--

System OK

Go to Step 6

6

Replace the LH rear side door window regulator motor. Refer to Rear Side Door Window Regulator Replacement in Doors.

Is the replacement complete?

--

Go to Step 7

--

7

  1. Connect all connectors and components that were disconnected.
  2. Verify that the LH rear side door regulator motor express UP and DOWN feature operates properly.

Does the LH rear side door regulator motor express UP and DOWN feature operate properly?

--

System OK

Go to Step 1

Power Window Express Down Function Inoperative RH Front Window Express Inop

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

Does the RH front side door window regulator motor operate properly from the RH front side door window switch?

--

Go to Step 4

Go to Step 3

3

Go to Power Windows Inoperative from Any Switch for diagnosis.

Is the repair complete?

--

Go to Step 7

--

4

  1. Program the RH front side door window regulator motor.
  2. Refer to Window Motor Programming - Express Function in Doors.

Is the programming complete?

--

Go to Step 5

--

5

Does the RH front side door regulator motor express UP and DOWN operate properly?

--

System OK

Go to Step 6

6

Replace the RH front side door window regulator motor. Refer to Front Side Door Window Regulator Replacement in Doors.

Is the replacement complete?

--

Go to Step 7

--

7

  1. Connect all connectors and components that were disconnected.
  2. Verify that the RH front side door regulator motor express UP and DOWN feature operates properly.

Does the RH front side door regulator motor express UP and DOWN feature operate properly?

--

System OK

Go to Step 1

Power Window Express Down Function Inoperative RH Rear Window Express Inop

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

Does the RH rear side door window regulator motor operate properly from the RH rear side door window switch?

--

Go to Step 4

Go to Step 3

3

Go to Power Windows Inoperative from Any Switch for diagnosis.

Is the repair complete?

--

Go to Step 7

--

4

  1. Program the RH rear side door window regulator motor.
  2. Refer to Window Motor Programming - Express Function in Doors.

Is the programming complete?

--

Go to Step 5

--

5

Does the RH rear side door regulator motor express UP and DOWN operate properly?

--

System OK

Go to Step 6

6

Replace the RH rear side door window regulator motor. Refer to Rear Side Door Window Regulator Replacement in Doors.

Is the replacement complete?

--

Go to Step 7

--

7

  1. Connect all connectors and components that were disconnected.
  2. Verify that the RH rear side door regulator motor express UP and DOWN feature operates properly.

Does the RH rear side door regulator motor express UP and DOWN feature operate properly?

--

System OK

Go to Step 1