Toyota Venza: How To Proceed With Troubleshooting

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

CAUTION / NOTICE / HINT

HINT:

Use the following procedures to troubleshoot the power back door 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 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 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	Proceed to
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	Proceed to
Fault is not listed in Problem Symptoms Table	A
Fault is listed in 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.	ADJUST, REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main body ECU (Driver side junction block assembly) Power back ...

Customize Parameters

CUSTOMIZE PARAMETERS HINT: The following items can be customized. NOTICE: After confirming whether the items requested by the customer are applicable or not for customization, perform ...

Other materials about Toyota Venza:

Fuel Sender Open Detected (B1500)
DESCRIPTION This DTC is output when the combination meter assembly detects a fuel sender gauge malfunction via the direct line. DTC No. DTC Detection Condition Trouble Area B1500 When either of t ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the tab ...

Stereo Component Amplifier Disconnected (B15D3)
DESCRIPTION The navigation receiver assembly and stereo component amplifier assembly are connected via AVC-LAN communication. This DTC is stored when an AVC-LAN communication error occurs between the navigation receiver assembly and stereo component ampl ...