Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Door / Hatch / Power Back Door System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.

Power Back Door System

Symptom	Suspected Area	See page
Power Back Door cannot be Operated Using Any Switch	Back door closer system
	Initialize power back door ECU (Power back door motor unit)	-
	Meter/gauge system	-
	Main body ECU (Driver side junction block assembly)	-
	Touch sensor circuit	-
	Power back door main switch circuit	-
	Power back door ECU (Power back door motor unit)	-
	Wire harness or connector	-
Power Back Door cannot be Opened or Closed Using the Power Back Door Switch	Power back door control switch
	Power back door ECU (Power back door motor unit)	-
	Main body ECU (Driver side junction block assembly)	-
	Wire harness or connector	-
Power Back Door cannot be Closed Using the Power Back Door Closer Switch	Power back door closer switch
	Power back door ECU (Power back door motor unit)	-
	Wire harness or connector	-
Jam Protection Function Activates During Power Back Door Operation	Fitting condition of back door
	Touch sensor circuit	-
	Power back door ECU (Power back door motor unit)	-
	Wire harness or connector	-
Power Back Door Warning System does not Operate	Power back door warning buzzer
	Hazard warning light circuit	-
	Power back door ECU (Power back door motor unit)	-
	Wire harness or connector	-
Only Wireless Control Function is Inoperative (w/ Smart Key System)	Proceed to: All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate.
Only Wireless Control Function is Inoperative (w/o Smart Key System)	Proceed to: Only Wireless Control Function is Inoperative

Initialization

INITIALIZATION 1. RESET BACK DOOR CLOSE POSITION NOTICE: Perform initialization of the power back door system (power back door ECU initialization) if one of the following is performed: Th ...

DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The power back door ECU (power back door motor unit) controls the power back door system functions. Power back door system data and Diagnostic Trouble Code (DTC ...

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DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The power back door ECU (power back door motor unit) controls the power back door system functions. Power back door system data and Diagnostic Trouble Code (DTC) can be read through the Data Link Connector 3 (DLC3). W ...

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