GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the system operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms - Instrument Panel, Gages and Console

2

  1. Close the driver door.
  2. Remove the key from the ignition.

Does the chime turn off?

--

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

Go to Step 3

3

  1. Remove the ignition key from the ignition key lock cylinder.
  2. Disconnect the body control module (BCM) connector C3.
  3. Connect a test lamp from battery voltage to the BCM connector  C3 terminal C14. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 5

Go to Step 4

4

Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

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Go to Step 7

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5

Test for and repair a short to ground in circuit 80. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and repair a short to ground?

--

Go to Step 7

Go to Step 6

6

Replace the ignition key warning switch. Refer to Ignition Switch Replacement - On Vehicle .

Did you complete the replacement?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3