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

Does the chime sound?

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

Go to Step 3

3

Do the courtesy lights turn on when you open the drivers door?

Go to Step 4

Go to Courtesy Lamps Inoperative in Lighting Systems

4

  1. Turn ON the ignition, with the engine OFF.
  2. Turn ON the radio.
  3. 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.

Replace the radio. Refer to Radio Replacement in Entertainment.

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