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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 990 (Theft Deterrent System) >> Diagnostic Information and Procedures >> Security Indicator Always On or Flashing

Security Indicator Always On or Flashing

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Security Indicator Always On or Flashing

Step Action Yes No
Schematic Reference: Theft Deterrent System Schematics 
Connector End View Reference: Theft Deterrent System Connector End Views 
1 Did you perform the Theft Deterrent Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Theft Deterrent 
2
  1. Turn ON the ignition with the engine OFF.
  2. With the scan tool, command the Security indicator ON and OFF.
Does the Security indicator turn ON and OFF with each command?
Go toTesting for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Replace the Instrument Cluster. Refer to Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages and Console.
Did you complete the replacement?
Go to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages and Console -