Toyota Venza manuals

Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Seat Belt / Seat Belt Warning System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedure to troubleshoot the seat belt warning system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP


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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, system name

When

Date, time, occurrence frequency

Where

Road conditions

Under what 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.


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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 (AIRBAG SYSTEM)*

(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 AIRBAG SYSTEM


A

6.

CHECK FOR DTC (OCCUPANT CLASSIFICATION SYSTEM)*

(a) Clear the DTC (See page ).


(b) Recheck for DTCs.

Result

Proceed to

DTC is not output

A

DTC is output

B


B

GO TO OCCUPANT CLASSIFICATION SYSTEM


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) Data List / Active Test (See page ).


(b) Terminals of ECU (See page ).


(c) On-vehicle Inspection (See page ).



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9.

REPAIR OR REPLACE


NEXT

10.

CONFIRMATION TEST


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END

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