Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Door / Hatch / Back Door Closer System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

The back door closer system troubleshooting procedure is based on the premise that the power back door system is operating normally. Check the power back door system first before troubleshooting the back door closer system (w/ Power Back Door System) (See page ).

Use the procedure to troubleshoot the back door closer system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

HINT:

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about theproblem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

The following 5 items are important points in the problem analysis:

What	Vehicle model, system name
When	Date, time, occurrence frequency
Where	Road conditions
Under what conditions?	Running conditions, driving conditions, weather conditions
How did it happen?	Problem symptoms

3.	INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

4.	CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC*

(a) Check for DTCs (See page ).

(b) Clear the DTCs (See page ).

Result	Result
DTC is not output	A
DTC is output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART

6.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page ).

Result	Result
Fault is not listed on problem symptoms table	A
Fault is listed on problem symptoms table	B

GO TO STEP 8

7.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page )

(b) Terminals of ECU (See page )

8.	REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

System Description

SYSTEM DESCRIPTION 1. BACK DOOR CLOSER SYSTEM DESCRIPTION (a) Operating any power back door switch when the back door is fully closed inputs a request signal to the power back door ECU*1 or back d ...

Operation Check

OPERATION CHECK 1. CHECK BASIC FUNCTIONS (a) When the back door is partially closed, check that the motor operates to fully close (lock) the back door. (b) Check that the back door can be opened. ...

Other materials about Toyota Venza:

Dtc Check / Clear
DTC CHECK / CLEAR HINT: Use the Techstream to read and clear the DTC of the occupant classification ECU, otherwise the DTCs cannot be read and cleared. 1. DTC CHECK (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. HINT: If the pedal can be depressed to the ...

Setting up the displays
Press the “SETUP” button while the vehicle is stopped. The “Custom Settings” screen is displayed on the multi-information display. If left idle for approximately 10 seconds, the display will revert to the previous screen. Select “Display / ...