GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics

DEFINITION: One or more chime functions are inoperative.

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. Insert the key into the ignition, with the ignition OFF.
  2. Open the driver door.

Does the chime activate?

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

Go to Step 3

3

  1. Disconnect the multifunction alarm module (MFAM).
  2. Connect a test lamp between the battery positive voltage circuit of the MFAM and a good ground.

Does the test light illuminate?

Go to Step 4

Go to Step 12

4

Connect a test lamp between the battery positive voltage circuit of the MFAM and the key-in-ignition switch signal circuit.

Does the test light illuminate?

Go to Step 10

Go to Step 5

5

  1. Connect the MFAM.
  2. Disconnect the driver door jamb switch.
  3. Insert the key into the ignition, with the ignition OFF.
  4. Connect a 3 ampere fused jumper between the driver door switch signal circuit and the driver door jamb switch ground circuit.

Does the chime activate?

Go to Step 11

Go to Step 6

6

  1. Disconnect the key-in-ignition switch.
  2. Connect a 3 ampere fused jumper between the key-in-ignition switch signal circuit and a good ground.

Does the chime activate?

Go to Step 13

Go to Step 7

7

Test the driver door switch signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 8

8

Test the key-in-ignition switch signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 9

9

Inspect for intermittent and poor connections at the harness connector of the ignition 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 17

Go to Step 16

10

Inspect for intermittent and 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 17

Go to Step 14

11

Inspect for intermittent and 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 17

Go to Step 15

12

Repair the open or the high resistance in the battery positive voltage circuit of the MFAM. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 17

--

13

Repair the open or the high resistance in the driver door jamb switch ground circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 17

--

14

Replace the MFAM in the convenience center.

Did you complete the replacement?

Go to Step 17

--

15

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 17

--

16

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

Did you complete the replacement?

Go to Step 17

--

17

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2