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 intuitive parking assist system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the ignition switch off.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Use the GTS to check if the CAN communication system is functioning normally.

  • for HEV Model:

    Click here

  • for Gasoline Model:

    Click here

Result

Proceed to

CAN communication system DTCs are not output

A

CAN communication system DTCs are output

B

B

GO TO CAN COMMUNICATION SYSTEM

  • for HEV Model:

    Click here

  • for Gasoline Model:

    Click here

A

5.

PROBLEM SYMPTOM CONFIRMATION

NEXT

6.

CHECK DTC*

(a) Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

(b) Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTCs are output

A

DTCs are not output

B

B

GO TO STEP 8

A

7.

DIAGNOSTIC TROUBLE CODE CHART (INTUITIVE PARKING ASSIST SYSTEM)

(a) Refer to Diagnostic Trouble Code Chart.

Click here

NOTICE:

The clearance warning ECU assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the intuitive parking assist system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.

System

Proceed to

Parking Support Brake System

NEXT

GO TO STEP 12

8.

CHECK FOR VEHICLE CONTROL HISTORY (RoB)*

HINT:

Refer to Vehicle Control History (RoB).

Click here

(a) Check for vehicle control history (RoB) and note any codes that are output.

Body Electrical > Clearance Warning > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

No vehicle control history (RoB) is output (Problem symptom does not occur)

A

No vehicle control history (RoB) is output (Problem symptom occurs)

B

X20C0, X20C1, X20C2 or X20C3 is output

C

Any vehicle control history (RoB) other than X20C0, X20C1, X20C2 or X20C3 is output

D

B

GO TO STEP 10

C

GO TO CALIBRATION

D

GO TO VEHICLE CONTROL HISTORY

A

9.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

NEXT

10.

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

B

GO TO STEP 12

A

11.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

Click here

(b) Data List / Active Test

Click here

NEXT

12.

CIRCUIT INSPECTION

NEXT

13.

IDENTIFICATION OF PROBLEM

NEXT

14.

REPAIR OR REPLACE

NEXT

15.

CONFIRMATION TEST

NEXT

END

    READ NEXT:

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