Toyota Venza: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the air conditioning system.
- *: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
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|
2. |
INSPECT BATTERY VOLTAGE |
(a) Inspect 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.
|
|
3. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the LIN communication system is functioning normally.
|
Result |
Proceed to |
|---|---|
|
LIN DTC is not output |
A |
|
LIN DTC is output |
B ( |
| B | .gif) |
GO TO LIN COMMUNICATION SYSTEM |
|
|
4. |
CHECK COMMUNICATION FUNCTION OF LIN 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 |
|
|
5. |
CHECK FOR DTC* |
(a) Check for DTCs and note any code that is output.
(b) Clear the DTCs.
(c) Recheck for DTCs. Based on the DTCs output above, try to force the A/C system to output DTCs by simulating the conditions indicated by the DTC.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | |
GO TO STEP 8 |
|
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
.gif)
).
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
|
Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 8 |
|
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Panel diagnosis (indicator check) (See page
)
(b) Panel diagnosis (sensor check) (See page
)
(c) Panel diagnosis (actuator check) (See page
)
(d) Data List / Active Test (See page )
(e) Terminals of ECU (See page )
(f) On-vehicle Inspection
(g) Inspection
|
|
8. |
ADJUST, REPAIR OR REPLACE |
| NEXT | |
END |
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) The air conditioning system has the following controls.
Control
Outline
Neural Network Control
This control is ca ...
Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to make a note of the current settings be ...
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Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) En ...
Input / Turbine Speed Sensor Circuit Malfunction (P0715,P0717)
DESCRIPTION
This sensor detects the rotation speed of the turbine which shows the input revolution
(speed) of the transaxle. By comparing the input turbine speed signal (NT) with
the counter gear speed sensor signal (NC), the TCM detects the shift timing ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL POWER STEERING ECU ASSEMBLY
(a) Engage the 4 wire harness clamps to the power steering ECU assembly.
(b) Install the power steering ECU assembly with the ...
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