GM Service Manual Online
For 1990-2009 cars only

SECURITY Indicator Inoperative

Step

Action

Yes

No

Schematic Reference: Theft Deterrent System Schematics

Connector End View Reference: Theft Deterrent System Connector End Views

1

Did you perform A Diagnostic System Check - Theft Deterrent?

Go to Step 2

Go to Diagnostic System Check - Theft Deterrent

2

  1. Turn ON the ignition, with the engine OFF.
  2. Observe the security indicator.

Does the security indicator come on for approximately 5 seconds and then turn off?

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

Go to Step 3

3

Replace the Instrument Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console.

Did you complete the replacement?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2