GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics or Body Control System Schematics

Connector End View Reference: Instrument Panel, Gages, and Console Connector End Views , Entertainment Connector End Views or Computer/Integrating Systems Component Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Do any indicators illuminate when the chime sounds?

Go to Symptoms - Instrument Panel, Gages and Console

Go to Step 3

3

  1. Turn the ignition OFF.
  2. Remove the key from the ignition.
  3. Turn the headlamp switch to OFF.
  4. Open the driver door.

Does the chime sound at all times regardless if the driver door is open or closed?

Go to Step 11

Go to Step 4

4

    • Turn the headlamp switch OFF.
    • With a scan tool, observe the Park Lamp Switch parameter in the body control module (BCM) Lighting Data List.

Does the Park Lamp Switch parameter display OFF?

Go to Step 5

Go to Symptoms - Lighting Systems

5

  1. Close the driver door.
  2. With a scan tool, observe the Driver Door Ajar Switch parameter in the BCM Keyless/Remote Start Data List.

Does the Driver Door Ajar Switch parameter display Door Closed?

Go to Step 6

Go to Symptoms - Doors

6

  1. Turn the ignition OFF.
  2. Remove the key from the ignition.
  3. Disconnect the BCM connector C2.
  4. Connect a test lamp between the key in ignition signal circuit and battery positive voltage.

Does the test lamp illuminate?

Go to Step 7

Go to Step 10

7

Test the key in ignition signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 12

Go to Step 8

8

Inspect for poor connections at the harness connector of the ignition key alarm switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 12

Go to Step 9

9

Replace the ignition switch. Refer to Ignition and Start Switch Replacement .

Did you complete the replacement?

Go to Step 12

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10

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 12

--

11

Replace the radio. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 12

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12

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3