Toyota Venza: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the LIN communication system.
- *: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
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|
2. |
CUSTOMER PROBLEM ANALYSIS |
- 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? |
Driving conditions, weather conditions |
|
How did it happen? |
Problem symptoms |
|
|
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.
|
|
4. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Using the Techstream, inspect the LIN communication function to ensure there
are no malfunctions in the communication system (See page
.gif)
).
|
Result |
Proceed to |
|---|---|
|
DTCs is not output |
A |
|
DTCs is output |
B |
| B | .gif) |
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) Terminals of ECU (See page )
(b) Data List / Active Test (See page )
|
|
7. |
REPAIR OR REPLACE |
|
|
8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES [w/ Smart Key System]
3. AIR CONDITIONING BUS LINES
4. LIGHTING BUS LINES [w/ Smart Beam]
...
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 o ...
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PROCEDURE
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Fuel Receiver Gauge Malfunction
DESCRIPTION
The meter CPU uses the fuel sender gauge assembly to determine the level
of the fuel in the fuel tank. The resistance of the fuel sender gauge will
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185 Î ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE DISC INSIDE DIAMETER
(a) Using a brake drum gauge or an equivalent tool, measure the inside
diameter of the disc.
Standard inside diameter of a new disc:
190 mm (7.48 in.)
Maximum inside diamete ...
0.1679