GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Door Systems Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

Verify that the RF power window is inoperative.

Do the power windows operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the RH door lock and side window switch connector C1.
  2. Turn the ignition switch to the RUN position.
  3. Connect a digital multimeter (DMM) to CKT 167 (TAN), terminal L and CKT 166 (LT BLU), terminal J at the RH door lock and side window switch connector C1.
  4. Operate the RF window at the LH door lock and side window switch in the UP/DOWN positions.
  5. Test for voltage. Refer to Circuit Testing in wiring systems.

Is ignition voltage present in both directions?

B+

Go to Step 4

Go to Step 5

4

  1. Reconnect the RH door lock and side window switch connector C1.
  2. Disconnect the RF side window regulator motor connector.
  3. Turn the ignition switch to the RUN position.
  4. Connect a DMM to CKT 667 (BRN), terminal A and CKT 666 (DK BLU), terminal B at the RF side window regulator motor connector.
  5. Operate the RF window at the LH door lock and side window switch in the UP/DOWN positions.
  6. Test for voltage. Refer to Circuit Testing in wiring systems.

Is ignition voltage present in both directions?

B+

Go to Step 10

Go to Step 6

5

Test CKT's 166 (LT BLU), and 167 (TAN) for an open. Refer to Circuit Testing in wiring systems.

Was an open present?

--

Go to Step 7

Go to Step 8

6

Test CKT's 666 (DK BLU), and 667 (BRN) for an open. Refer to Circuit Testing in wiring systems.

Was an open present?

--

Go to Step 7

Go to Step 9

7

Repair the open in the appropriate circuit. Refer to Wiring Repairs in wiring systems.

Is the repair complete?

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Go to Step 11

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8

Replace the LH lock and side window switch. Refer to Front Side Door Window Switch Replacement .

Is the repair complete?

--

Go to Step 11

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9

Replace the RH door lock and side window switch. Refer to Front Side Door Window Switch Replacement .

Is the repair complete?

--

Go to Step 11

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10

Replace the right front side window regulator motor. Refer to Power Window Motor Replacement .

Is the repair complete?

--

Go to Step 11

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11

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3