GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Door Locks System Check performed?

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Go to Step 2

Refer to Power Door Locks System Check

2

  1. Remove the door unlock relay from the body relay block.
  2. Connect a test lamp between the door unlock relay terminal 1 and terminal 2.
  3. Push the drivers door unlock switch.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair an open in CKT 194.

Is the repair complete?

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Refer to Power Door Locks System Check

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4

Replace the door unlock relay.

Is the repair complete?

--

Refer to Power Door Locks System Check

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