GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the power door locks diagnostic system check?

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Go to Step 2

Go to Power Door Locks System Check

2

  1. Remove the door unlock relay from the body bussed electrical center.
  2. Connect a test lamp between the door unlock relay socket terminal 1 and terminal 2.
  3. Push the driver door unlock switch.

Does the test lamp light?

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Go to Step 4

Go to Step 3

3

Repair an open in CKT 194.

Is the repair complete?

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Go to Power Door Locks System Check

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4

Replace the door lock relay.

Is the repair complete?

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Go to Power Door Locks System Check

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