GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics

1

Did you perform the Audible Warnings Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Install a scan tool.
  2. Turn the ignition ON, with the engine OFF.
  3. With a scan tool, perform the Chime Test in the Radio.

Does the chime sound?

Go to Step 3

Go to Step 4

3

Open the driver's door.

Does the door ajar indicator illuminate when the driver's door is opened?

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

Go to Door Ajar Indicator Malfunction in Doors

4

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

Does the speaker operate properly?

Go to Step 5

Go to Speakers Inoperative - One or More in Entertainment

5

Important: Perform the set up procedure for the replacement radio or multifunction alarm module (RPO).

Replace the radio or multifunction alarm module (RPO). Refer to Radio Replacement in Entertainment or to Multifunction Alarm Module Replacement .

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2