Toyota Camry (XV70): 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. |
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 for 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) 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.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
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|
Result | Proceed to |
|---|---|
|
CAN communication system DTCs are not output |
A |
| CAN communication system DTCs are output |
B |
| B |
.gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. |
CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output.
Body Electrical > Air Conditioner > Trouble Codes(b) Clear the DTCs.
Body Electrical > Air Conditioner > Clear DTCs(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the operation indicated by the DTC.
Body Electrical > Air Conditioner > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTCs are not output | A |
|
DTCs are output | B |
| B |
| GO TO DIAGNOSTIC TROUBLE CODE CHART
|
|
| 6. |
CHECK AIR CONDITIONING CONTROL ASSEMBLY |
(a) Operate each switch on the air conditioning control assembly and check that the switches of the air conditioning system operate normally.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 7. |
CHECK BLOWER CONTROL |
(a) Operate the blower switch on the air conditioning control assembly and check that the blower control operates normally.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 8. |
CHECK AIR INLET CONTROL |
(a) Operate the recirculation/fresh switch on the air conditioning control assembly and check that the air inlet control operates normally.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 9. |
CHECK AIR OUTLET CONTROL |
(a) Operate the air outlet mode switch on the air conditioning control assembly and check that the air outlet control operates normally.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 10. |
CHECK COOLING FUNCTION |
(a) Operate the temperature adjustment switches on the air conditioning control assembly and check that cool air is blown from the registers.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 11. |
CHECK HEATER FUNCTION |
(a) Operate the temperature adjustment switches on the air conditioning control assembly and check that warm air is blown from the registers.
| NG | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 12. |
USE SIMULATION METHOD TO CHECK |
Click here
|
| 13. |
CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
SEE MORE:
Noise Occurs or Sound Skips when Portable Player Plays
CAUTION / NOTICE / HINT
HINT:
Perform this check with the portable player volume set at an appropriate level.
Make sure that there are no obstructions between the portable player and the radio and display receiver assembly that may block signals, and that the portable player and the radio
Radio Broadcast cannot be Received or Poor Reception
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
When replacing the radio and display receiver
