GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Use a test light in order to backprobe between the inoperative door lock switch terminal D and ground.
  2. While observing the test light, press the inoperative door lock switch to the LOCK position.

Does the test light illuminate?

--

Go to Step 2

Go to Step 3

2

Repair the poor connection or an open in CKT 195 between the inoperative door lock switch and S313.

Is the repair complete?

--

Go to Step 4

--

3

  1. Inspect for a poor connection at the inoperative door lock switch.
  2. If the connection is OK, replace the inoperative door lock switch.

Is the repair complete?

--

Go to Step 4

--

4

  1. Ensure that the ignition switch is in the LOCK position.
  2. Reconnect any connectors or any components that you removed.

Have all repairs been made?

--

Go to Power Door Locks System Check

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