Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Entry Function) / 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.

Smart Key System

Symptom	Suspected Area	See page
Entry answer-back buzzer does not sound	Wireless door lock control system
Entry answer-back buzzer does not sound	Certification ECU (smart key ECU assembly)	-
All door entry lock/unlock functions and wireless functions do not operate	Power door lock control system
	Key	-
	Key battery	-
	Fuse (EFI NO. 1, ECU-B)	-
	Wire harness or connector	-
	Door control receiver assembly	-
	Certification ECU (Smart key ECU assembly)	-
All door entry lock/unlock functions do not operate, but wireless functions operate	Key
	Certification ECU (Smart key ECU assembly)	-
Driver side door entry unlock function does not operate	Power door lock control system
	Front door outside handle assembly (for driver side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Front passenger side door entry unlock function does not operate	Power door lock control system
	Front door outside handle assembly (for front passenger side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Driver side door entry lock and unlock functions do not operate	Power door lock control system
	Front door outside handle assembly (for driver side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Front passenger side door entry lock and unlock functions do not operate	Power door lock control system
	Front door outside handle assembly (for front passenger side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Driver side door entry lock function does not operate	Power door lock control system
	Front door outside handle assembly (for driver side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Front passenger side door entry lock function does not operate	Power door lock control system
	Front door outside handle assembly (for front passenger side)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Room oscillator does not recognize key	Indoor electrical key oscillator (for front floor)
	Indoor electrical key oscillator (for center floor)	-
	Indoor electrical key oscillator (for rear floor)	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Entry interior alarm does not sound	Meter / gauge system
Entry interior alarm does not sound	Certification ECU (Smart key ECU assembly)	-
Back door entry unlock function does not operate	Power door lock control system
	Back door opener switch assembly	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-
Back door entry lock and unlock functions do not operate	Power door lock control system
	Outside electrical key oscillator (for rear side)	-
	Certification ECU (Smart key ECU assembly)	-
	Back door opener switch assembly	-
	Wire harness or connector	-
Back door entry lock function does not operate	Power door lock control system
	Back door opener switch assembly	-
	Certification ECU (Smart key ECU assembly)	-
	Wire harness or connector	-

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CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM HINT: The items in the table below can be customized. NOTICE: When the customer requests a change in a function, first make su ...

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DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs) can b ...

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