GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Schematic Reference: Audible Warnings Schematics

Connector End View Reference: Instrument Panel, Gages, and Console Connector End Views or Entertainment Connector End Views

DEFINITION: One or more chime functions are inoperative.

1

Did you perform the Audible Warning Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Turn the ignition OFF, with the key in the ignition.
  2. Open the driver door.

Does the chime sound?

--

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

Go to Step 3

3

Is the vehicle equipped with a chime module (UL5)?.

--

Go to Step 5

Go to Step 4

4

  1. Turn the radio ON.
  2. Adjust the radio balance and fade to the left front speakers.

Does the speaker operate properly?

--

Go to Step 5

Go to Speakers Inoperative - One or More in Entertainment

5

  1. Turn the ignition OFF, with the key in the ignition.
  2. Disconnect the IPC.
  3. Connect a test lamp between the signal circuit of the ignition key alarm switch and battery voltage.

Does the test lamp illuminate?

--

Go to Step 11

Go to Step 6

6

  1. Connect the IPC.
  2. Disconnect the driver door ajar switch.
  3. Place the key in the ignition.
  4. Connect a 3-ampere fused jumper between the signal circuit of the driver door ajar switch and the ground circuit of the driver door ajar switch.

Does the chime sound?

--

Go to Step 12

Go to Step 7

7

Connect a 3-ampere fused jumper between the signal circuit of the driver door ajar switch and a good ground.

Does the chime sound?

--

Go to Step 10

Go to Step 8

8

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

Did you find and correct the condition?

--

Go to Step 19

Go to Step 9

9

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

Did you find and correct the condition?

--

Go to Step 19

Go to Step 13

10

Test the ground circuit of the driver door ajar switch 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 19

Go to Step 14

11

Inspect for poor connections at the harness connector of the IPC. 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 19

Go to Step 15

12

Inspect for poor connections at the harness connector of the driver door ajar 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 19

Go to Step 16

13

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 19

Go to Step 17

14

Inspect for poor connections at the harness connector of the chime module. 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 19

Go to Step 18

15

Important: Program the replacement IPC

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

--

Go to Step 19

--

16

Replace the driver door ajar switch. Refer to Front Side Door Lock Replacement in Doors.

Did you complete the replacement?

--

Go to Step 19

--

17

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

Did you complete the replacement?

--

Go to Step 19

--

18

Replace the chime module. Refer to Multifunction Alarm Module Replacement .

Did you complete the replacement?

--

Go to Step 19

--

19

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2