GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

--

Go to Step 2

Go to the Audible Warnings System Check

2

Test the BLU/BLK wire using a J 39200 DMM for an open.

Does the wire have an open?

--

Go to Step 3

Go to Step 4

3

Repair the wire. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to the Audible Warnings System Check

--

4

Remove the door jamb switch connector.

Does the audible warning remain ON?

--

Go to Step 6

Go to Step 5

5

Replace the LH front door jamb switch. Refer to Front Side Door Jamb Switch Replacement in Lighting Systems.

Is the repair completed?

--

Go to the Audible Warnings System Check

--

6

  1. Reconnect the LH front door jamb switch connector.
  2. Disconnect the ignition key alarm switch.

Does the alarm stop sounding?

--

Go to Step 7

Go to Step 8

7

Replace the ignition switch. Refer to Ignition Switch Replacement - On Vehicle in Steering.

Is the repair complete?

--

Go to the Audible Warnings System Check

--

8

Replace the multifunction alarm module. Refer to Multifunction Alarm Module Replacement .

Is the repair complete?

--

Go to the Audible Warnings System Check

--