GM Service Manual Online
For 1990-2009 cars only

RH Window Inoperative

Step

Action

Value(s)

Yes

No

DEFINITION: The RH window does not operate UP or DOWN from the RH window switch.

1

Were you sent here from the Power Door Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

Inspect the RH window regulator for mechanical malfunctions (binding, obstructions, etc.).

Did you find and correct the condition?

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Go to Step 14

Go to Step 3

3

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Select RH DCM display DTC function on the scan tool.

Does the scan tool display DTC B2203, B2205, or B2275 as history?

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Go to Diagnostic Trouble Code (DTC) List/Type

Go to Step 4

4

With a scan tool, command the RH DCM to operate the RH window UP and DOWN.

Does the RH window operate UP and DOWN with each command?

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Go to Step 6

Go to Step 5

5

  1. Turn OFF the ignition.
  2. Disconnect the RH window motor connector.
  3. Turn ON the ignition, with the engine OFF.
  4. Connect a test lamp between both RH window motor control circuits
  5. With a scan tool, command the RH DCM to operate UP and DOWN the RH window.

Does the test lamp turn ON and OFF with each command?

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Go to Step 11

Go to Step 8

6

  1. Operate the RH window up switch.
  2. With a scan tool, observe the Driver Window Up Switch parameter in the RH DCM data list.

Does the Driver Window Up Switch parameter change state?

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Go to Step 7

Go to Step 9

7

  1. Activate the RH window down switch.
  2. With a scan tool, observe the Driver Window Down Switch parameter in the RH DCM data list.

Does the Driver Window Down Switch parameter change state?

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Go to Step 12

Go to Step 10

8

Test the RH window motor control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 14

Go to Step 12

9

Test the RH window up switch signal and ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 14

Go to Step 13

10

Test the RH window down switch signal and ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 14

Go to Step 13

11

Replace the RH window motor. Refer to Door Window Regulator Replacement .

Did you complete the replacement?

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Go to Step 14

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12

Replace the RH DCM. Refer to Door Control Module Replacement .

Did you complete the replacement?

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Go to Step 14

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13

Replace the RH door switch. Refer to Front Door Switch Replacement .

Did you complete the replacement?

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Go to Step 14

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14

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2