GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Use a test lamp in order to backprobe between B+ and the inoperative door lock switch connector terminal D.
  2. Press the inoperative door lock switch to the UNLOCK position.

Does the test lamp light?

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Go to Step 2

Go to Step 3

2

Repair a poor connection or open in CKT 194.

Is the repair complete?

--

Go to Automatic Door Locks System Check

--

3

Replace the door lock switch. Refer to Front Side Door Lock Replacement or Lock Replacement - Sliding Door Front in Doors.

Is the repair complete?

--

Go to Automatic Door Locks System Check

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