Toyota Yaris: Front Camera System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
-
Before performing troubleshooting for the front camera system, perform troubleshooting for the pre-collision system.
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-
If a pre-collision system related warning message is displayed on the multi-information display, refer to How to Proceed with Troubleshooting for Pre-collision System.
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- Use the following procedure to troubleshoot the front camera system.
- *: Use the GTS.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 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. | PRE-CHECK |
(a) Measure the auxiliary battery voltage.
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
Standard Voltage:
11 to 14 V (Ignition switch off)
(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 GTS, check if the CAN communication system DTCs.
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OK:
CAN communication system is functioning normally.
| NG |
 | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | CHECK FOR DTCs* |
(a) Using the GTS, Check for DTCs.
Chassis > Front Recognition Camera > Trouble Codes(b) Make a note of the output DTCs.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs C100A62, C1A9304, C1A9308, C1A9444, C1A9445, C1A9447, C1A9487, C1A9500, C1A961C or C1AA800 are output | B |
| DTCs other than C100A62, C1A9304, C1A9308, C1A9444, C1A9445, C1A9447, C1A9487, C1A9500, C1A961C or C1AA800 are output | C |
| B |
 | GO TO DTC CHART |
| C |
 | GO TO STEP 8 |
|
| 6. | CHECK VEHICLE CONTROL HISTORY* |
(a) Using the GTS, check for vehicle control history (RoB).
Chassis > Front Recognition Camera > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
(b) Make a note of the output vehicle control history (RoB).
| Result | Proceed to |
|---|---|
| Vehicle control history (RoB) is not output | A |
| Vehicle control history (RoB) other than X2015 and X2017 is output | |
| Vehicle control history (RoB) X2015 or X2017 is output | B |
| B |
 | GO TO VEHICLE CONTROL HISTORY |
|
| 7. | RECONFIRM VEHICLE CONTROL HISTORY* |
(a) Using the GTS, clear the vehicle control history (RoB).
Chassis > Front Recognition Camera > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
(b) Using the GTS, check for vehicle control history (RoB).
Chassis > Front Recognition Camera > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
| Result | Proceed to |
|---|---|
| Vehicle control history (RoB) is not output | A |
| Vehicle control history (RoB) is output | B |
| A |
 | GO TO SYMPTOM SIMULATION |
| B |
 | GO TO VEHICLE CONTROL HISTORY |
| 8. | RECONFIRM DTC OUTPUT* |
(a) Using the GTS, Clear the DTCs.
Chassis > Front Recognition Camera > Clear DTCs(b) Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
HINT:
Refer to each corresponding DTC for details on the detection conditions.
Click here
(c) Using the GTS, check for DTCs.
(1) Attempt to duplicate the malfunction and check if the DTCs are output again.
Click here
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
| A |
 | GO TO STEP 6 |
| B |
 | GO TO DTC CHART |
System Diagram
S..
Utility
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