GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the power door locks circuit description and operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

Verify the fault is present.

Does the system operate normally?

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

Go to Step 3

3

  1. Disconnect the power door lock control module connector.
  2. Connect an J 35616-200 unpowered test lamp between the power door lock control module connector, cavity D for CKT 194 (WHT), and ground.
  3. Depress any power door lock switch to perform the unlock operation.

Does the test lamp light?

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Go to Step 4

Go to Step 5

4

Replace the power door lock control module.

Refer to Door Control Module Replacement .

Is the repair complete?

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Go to Step 6

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5

Repair the open in CKT 194 (WHT) between splice S242 and the power door lock control module.

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3