Toyota Venza manuals

Toyota Venza: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedure to troubleshoot the sliding roof 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 in the problem analysis:

What

Vehicle model, system name

When

Date, time, occurrence frequency

Where

Road conditions

Under what conditions?

Driving conditions, weather conditions

How did it happen?

Problem symptoms


NEXT

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.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO CAN COMMUNICATION SYSTEM


A

5.

CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

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


Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO LIN COMMUNICATION SYSTEM


A

6.

CHECK FOR DTC (SLIDING ROOF ECU)**

(a) Clear the DTCs (See page ).


(b) Recheck for DTCs.

Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO DIAGNOSTIC TROUBLE CODE CHART


A

7.

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 9


A

8.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page )


(b) Terminals of ECU (See page )


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



NEXT

9.

CONFIRMATION TEST


NEXT

END

System Description
SYSTEM DESCRIPTION 1. GENERAL This system has the following functions: manual slide open and close; auto slide open; manual tilt up and down; auto tilt up; jam protection; key off operation. 2. F ...

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