Toyota Yaris: Front Camera System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / 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.

    Click here

  • 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.

    Click here

  • Use the following procedure to troubleshoot the front camera system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

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

NEXT

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.

NEXT

4.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the GTS, check if the CAN communication system DTCs.

Click here

OK:

CAN communication system is functioning normally.

NG

GO TO CAN COMMUNICATION SYSTEM

OK

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

A

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

A

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

Chassis > Front Recognition Camera > Trouble Codes

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

    UTILITY Recognition Camera/Target Position Memory HINT: Recognition Camera/Target Position Memory is used to enter required information into the forward recognition camera...

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