Toyota Venza manuals

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


NEXT

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


NEXT

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.


NEXT

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


B

GO TO CAN COMMUNICATION SYSTEM


A

5.

CHECK FOR DTC*

(a) Check for DTCs (See page ).


(b) Clear the DTCs (See page ).


(c) Recheck for DTCs (See page ).


Result

Result

DTC is not output

A

DTC is output

B


B

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

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


B

GO TO STEP 8


A

7.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page )


(b) Terminals of ECU (See page )


(c) Data List / Active Test (See page )



NEXT

8.

REPAIR OR REPLACE


NEXT

9.

CONFIRMATION TEST


NEXT

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. ...

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