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 |
|
.gif)
|
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.
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PROCEDURE
1.
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OK:
No deformation or cracks on the CD
NG
END (CD IS FAULTY)
...
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