GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warning System Check?

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Go to Step 2

Go to Audible Warnings System Check

2

  1. Adjust the instrument panel (IP) dimmer switch to maximum brightness.
  2. Disconnect the connector at the multi-function alarm module.
  3. Connect a unpowered test lamp between the multi-function alarm module connector, cavity A1 for CKT 8 (GRY), and ground.
  4. Place the ignition switch in the RUN position.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Replace the multi-function alarm module. Refer to Multifunction Alarm Module Replacement .

Is the lights-on chime inoperative?

--

Go to Audible Warnings System Check

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4

Repair the open in CKT 8 (GRY) between splice S223 and the multi-function alarm module.

Is the lights-on chime inoperative?

--

Go to Audible Warnings System Check

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