Security Indicator Always On or Flashing. Chevrolet Epica 2009

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Epica 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Security Indicator Always On or Flashing

Step	Action	Yes	No
Schematic Reference: Theft Deterrent System Schematics Connector End View Reference: Component Connector End Views DEFINITION: The status of the security indicator never changes and the security indicator is ON solid or always flashing.
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn OFF the ignition. Disconnect the intelligent switching unit (ISU) PE3 connector. Turn ON the ignition, with the engine OFF. Is the security indicator ON?	Go to Step 3	Go to Step 4
3	Repair the security indicator control circuit for a short to ground. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 5	--
4	Important: Perform the program procedure for the ISU. Replace the ISU. Did you complete the replacement?	Go to Step 5	--
5	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2