ENGINE IMMOBILISER SYSTEM (w/o Smart Entry and Start System) PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Engine Immobiliser System
Symptom	Suspected Area	See page
Unable to register the key.	Front door courtesy light switch assembly (for driver side)	Click here
	Wire harness or connector	-
	Transponder key ECU assembly	-
Engine does not start.	Key	Click here
	ECU power source circuit	Click here
	SFI system	Click here
	Transponder key ECU assembly	-
Security indicator light is always on.	Transponder key ECU assembly	Click here
	Wire harness or connector	-
	Accessory meter assembly	-
Security indicator light is off.	Transponder key ECU assembly	Click here
	Wire harness or connector	-
	Accessory meter assembly	-
Security indicator light is blinking abnormally.	Transponder key ECU assembly	-
Engine immobiliser system DTCs are not output.	Wire harness or connector	Click here
Engine immobiliser system DTCs are not output.	Transponder key ECU assembly	-