GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

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Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Disconnect the multi-function alarm module connector.
  2. Connect a test lamp between connector C2 terminals D and E.

Did the test light illuminate?

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Go to Step 4

Go to Step 3

3

Connect a test lamp between connector C2 terminal D and ground.

Did the test light illuminate?

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Go to Step 6

Go to Step 5

4

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

Did you complete the repair?

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Go to Diagnostic System Check - Audible Warnings

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5

  1. Inspect for a poor connection at connector C2 terminal D.
  2. Inspect for an open in CKT 340.

Did you find and repair a condition?

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Go to Diagnostic System Check - Audible Warnings

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6

  1. Inspect for a poor connection at connector C2 terminal E.
  2. Inspect for an open in CKT 150.

Did you find and correct a condition?

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Go to Diagnostic System Check - Audible Warnings

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