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 RH 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 RH side window regulator 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 RH side window regulator connector.
  5. Operate the RH 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 6

Go to Step 10

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 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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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 RH 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