Toyota Venza: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control 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 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 FOR DTC* |
(a) Check for DTCs and note any codes that are output (See page
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).
(b) Clear the DTCs.
(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
CAN communication system DTC is output |
B |
|
Wireless door lock control system DTC is output |
C |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
| C | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
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 |
|
|
6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check (See page )
(b) Terminals of ECU (See page )
(c) Data List / Active Test (See page )
|
|
7. |
REPAIR OR REPLACE |
|
|
8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Main body ECU
(Driver side j ...
Operation Check
OPERATION CHECK
1. NOTICE WHEN CHECKING THE FOLLOWING
(a) Power door lock/unlock function:
This wireless door lock control function operates only when the following 3 conditions
are met:
(1) The ...
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Removal
REMOVAL
PROCEDURE
1. REMOVE INNER REAR VIEW MIRROR STAY HOLDER COVER
(a) Disengage the 2 claws and slide the inner rear view mirror stay holder
cover as shown in the illustration.
(b) ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and
other items to be operated without removing any parts. This non-intrusive functional
inspection can be very useful because inter ...
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