GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics

DEFINITION: The chime sounds with the driver door open.

1

Did you review the system operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Instrument Panel, Gages and Console

2

  1. Turn the ignition OFF.
  2. With the key in the ignition, close the driver door.
  3. Turn the headlamp switch OFF.

Does the chime activate?

Go to Step 3

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

3

Remove the key from the ignition.

Does the chime activate?

Go to Step 4

Go to Step 5

4

Disconnect C266.

Does the chime activate?

Go to Step 6

Go to Step 7

5

Test the key-in-ignition switch signal circuit for a short to ground between the ignition key alarm switch and the driver door jamb switch. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 14

Go to Step 8

6

Test the key-in-ignition switch signal circuit for a short to ground between C266 and the multifunction alarm module (MFAM). Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 14

Go to Step 9

7

Test the key-in-ignition switch signal circuit for a short to ground between C266 and the ignition key alarm switch. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 14

Go to Step 10

8

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

Did you find and correct the condition?

Go to Step 14

Go to Step 11

9

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

Did you find and correct the condition?

Go to Step 14

Go to Step 13

10

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

Did you find and correct the condition?

Go to Step 14

Go to Step 12

11

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

Did you complete the replacement?

Go to Step 14

--

12

Replace the ignition key alarm switch. Refer to Ignition Switch Replacement - On Vehicle in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 14

--

13

Replace the MFAM in the convenience center.

Did you complete the replacement?

Go to Step 14

--

14

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2