How To Proceed With Troubleshooting
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.
VEHICLE BROUGHT TO WORKSHOP
|
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
|
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.
|
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 |
|
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 |
|
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 |
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check (See page
)
(b) Terminals of ECU (See page
)
(c) Data List / Active Test (See page
)
|
REPAIR OR REPLACE
|
CONFIRMATION TEST
| NEXT | ![]() | END |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.
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