GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

Do any indicators illuminate when the chime sounds?

Go to Symptoms - Instrument Panel, Gages and Console

Go to Step 3

3

  1. Turn OFF the ignition.
  2. Remove the key from the ignition.
  3. Turn the headlamp switch to OFF.
  4. Close all of the vehicles doors.
  5. Open one or more of the vehicles doors.

Does the chime sound at all times regardless if the doors are open or closed?

Go to Step 16

Go to Step 4

4

  1. Close all of the vehicles doors.
  2. With a scan tool, observe the Driver Door Ajar Switch parameter and the Passenger Door Ajar Switch parameter in the body control module (BCM) Inputs data list.

Do all of the Door Ajar Switch parameters display Off?

Go to Step 5

Go to Courtesy Lamps Always On in Lighting Systems

5

With a scan tool, observe the Hood Ajar Switch parameter in the BCM Inputs data list.

Does the Hood Ajar Switch parameter display Off?

Go to Step 6

Go to Courtesy Lamps Always On in Lighting Systems

6

With a scan tool, observe the Rear Compartment Lid Ajar parameter in the RDM Inputs data list.

Does the Rear Compartment Lid Ajar parameter display Closed?

Go to Step 7

Go to Courtesy Lamps Always On in Lighting Systems

7

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

Does the chime sound?

Go to Step 8

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

8

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Parklamp Switch parameter in the BCM Inputs data list.

Does the Parklamp Switch parameter display inactive?

Go to Step 9

Go to Step 11

9

With a scan tool, observe the Headlamp Switch parameter in the BCM Inputs data list.

Does the Headlamp Switch parameter display Inactive?

Go to Step 10

Go to Step 11

10

  1. Turn OFF the ignition.
  2. Remove the key from the ignition.
  3. With a scan tool, observe the Key In Ignition parameter in the BCM Inputs data list.

Does the Key In Ignition parameter display No?

Go to Step 15

Go to Step 12

11

Test the headlamp input signal circuit and the park lamp signal circuit at the BCM for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 13

12

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

Did you find and correct the condition?

Go to Step 21

Go to Step 14

13

Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 17

14

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 in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 18

15

Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 19

16

Inspect for poor connections at the harness connector of the radio or audio amplifier. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 21

Go to Step 20

17

Replace the headlamp switch. Refer to Headlamp Switch Replacement in Lighting Systems.

Did you complete the replacement?

Go to Step 21

--

18

Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 21

--

19

Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 21

--

20

Replace the radio. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 21

--

21

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3