Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Door / Hatch / Back Door Closer 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.

Back Door Closer System

Symptom	Suspected Area	See page
Back Door cannot be Opened	Back door opener switch assembly
	Back door lock assembly	-
	Power back door ECU (Power back door motor unit)*1	-
	Back door closer ECU (Multiplex network door ECU)*2	-
	Main body ECU (Driver side junction block assembly)	-
	Wire harness or connector	-
Back Door Closer does not Operate	Back door lock assembly
	Power back door ECU (Power back door motor unit)*1	-
	Back door closer ECU (Multiplex network door ECU)*2	-
	Touch sensor circuit	-
	Wire harness or connector	-

*1: w/ Power Back Door System
*2: w/o Power Back Door System

Initialization

INITIALIZATION 1. RESET BACK DOOR CLOSE POSITION (w/ POWER BACK DOOR SYSTEM) NOTICE: Perform initialization of the power back door system (power back door ECU initialization) if one of the follow ...

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR SYSTEM) (a) Disconnect the L20 power back door ECU connector. (b) Measure the voltage and resistan ...

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Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...

Power back door switch (vehicles with power back door)
Push the switch to close. Pressing the switch again while the power back door is closing will cause it to open again. However, the reverse operation cannot be performed for the first second after pressing the switch to close the door. The back door ca ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the circuits for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the brake act ...