Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/ Smart Key System) / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

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
Engine does not start.	Key
	Steering lock ECU power source circuit
	Smart key system (for start function)
	SFI system (for 2GR-FE)
	SFI system (for 1AR-FE)
Security indicator light is always on.	Certification ECU (smart key ECU assembly)
	Wire harness or connector	-
	Accessory meter assembly	-
Security indicator light is off.	Certification ECU (smart key ECU assembly)
	Wire harness or connector	-
	Accessory meter assembly	-

System Description

SYSTEM DESCRIPTION 1. ENGINE IMMOBILISER SYSTEM DESCRIPTION The immobiliser system is a theft deterrent system that determines whether to disable starting of the SFI system based on a comparison o ...

Registration

REGISTRATION PROCEDURE 1. DESCRIPTION OF CODE REGISTRATION HINT: The ID codes are the same as recognition codes for the wireless transmitter and the engine immobiliser function. Regist ...

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Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using the ECU Data List function of the Techstream. (a) ...

Inspection
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