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. Disconnect the door lock and side window switch that is not functioning.
  2. Connect a test lamp between the door lock and side window switch connector terminal D, CKT 840 (ORN) and battery ground.

Did the test lamp light?

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Go to Step 3

Go to Step 4

3

Replace the door lock and side window switch.

Is the repair complete?

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Refer to Power Door Locks System Check

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4

Repair the open in CKT 840 (ORN).

Is the repair complete?

--

Refer to Power Door Locks System Check

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