Toyota Venza manuals

Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Door Lock / Power Door Lock Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the power door lock control 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 the problem 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 for 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


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3.

INSPECT BATTERY VOLTAGE

(a) Measure the 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.

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the LIN communication system is functioning normally (See page ).


Result

Proceed to

LIN DTC is not output

A

LIN DTC is output

B


B

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

5.

PROBLEM SYMPTOMS TABLE

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


Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B


B

GO TO STEP 7


A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU (See page )


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


(c) Operation Check (See page )



NEXT

7.

REPAIR OR REPLACE


NEXT

8.

CONFIRMATION TEST


NEXT

END

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