For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Instrument Cluster Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Instrument Cluster
2 |

1. Turn the ignition switch to the ON position.
2. With the scan tool select Instrument Panel Cluster, Special Functions, Lamp Test and command the indicators ON.

Does the SECURITY indicator lamp turn ON and OFF when commanded?

--

Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent

Go to Step 3

3 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Did you complete the repair? | -- | System OK | --