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

Are any indicators illuminated?

Go to Symptoms - Instrument Panel, Gages and Console

Go to Step 3

3

  1. Turn OFF the ignition.
  2. Turn the headlamp switch to OFF.
  3. Remove the key from the ignition.
  4. Open the driver's door.

Does the chime sound?

Go to Step 4

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

4

  1. Turn OFF the ignition.
  2. Disconnect the ignition switch connector.
  3. Install a scan tool.
  4. Turn ON the ignition, with the engine OFF.
  5. With a scan tool, observe the Key In Ignition parameter in the Body Control Module data list.

Does the Key In Ignition parameter display Inactive?

Go to Step 6

Go to Step 5

5

Test the key in ignition input circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 8

Go to Step 7

6

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

Did you complete the replacement?

Go to Step 8

--

7

Important: Perform the programming procedure for the BCM.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2