Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • 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 with the ignition switch off.

Standard voltage:

11 to 14 V

HINT:

If the voltage is below 11 V, recharge or replace the auxiliary 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.

NEXT

4.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

for Gasoline Model: Click here

for HEV Model: Click here

Result

Proceed to

CAN DTCs are not output

A

CAN DTCs are output

B

B

GO TO CAN COMMUNICATION SYSTEM

for Gasoline Model: Click here

for HEV Model: Click here

A

5.

CHECK FOR DTC*

(a) Using the GTS, check for DTCs.

Chassis > Front Recognition Camera > Trouble Codes

(b) If a DTC is output, record the DTC.

Result

Proceed to

DTCs are not output

A

DTC C10001C, C10051C, C100A62, C1A7F49, C1A9346, C1A9447, C1A9500 or C1AA800 is output

B

DTC other than C10001C, C10051C, C100A62, C1A7F49, C1A9346, C1A9447, C1A9500 and C1AA800 is output

C

B

GO TO DIAGNOSTIC TROUBLE CODE CHART (C10001C, C10051C, C100A62, C1A7F49, C1A9346, C1A9447, C1A9500 or C1AA800)

C

GO TO STEP 8

A

6.

CHECK VEHICLE CONTROL HISTORY*

(a) Using the GTS, check for Vehicle Control History (RoB).

HINT:

Based on the customer interview results, narrow down the cause of the malfunction and check the related 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) is output

B

B

GO TO VEHICLE CONTROL HISTORY

A

7.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

A

USE SIMULATION METHOD TO CHECK

B

GO TO PROBLEM SYMPTOMS TABLE

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.

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 DIAGNOSTIC TROUBLE CODE CHART

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