Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

Toyota Corolla Cross (2022-2025) Service Manual / Brake / Parking Brake / Electric Parking Brake System (for Hev Model) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the problem.

Click here

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

4.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record DTCs and freeze frame data.

Chassis > Brake/EPB > Trouble Codes

(b) Clear the DTCs and freeze frame data.

Chassis > Brake/EPB > Clear DTCs

(c) Recheck for DTCs.

(1) Reconfirm the DTCs based on the recorded DTCs and freeze frame data.

Chassis > Brake/EPB > Trouble Codes

(2) Try to reproduce the problem symptoms based on the recorded DTCs and freeze frame data, and then check if the DTCs are output again.

Result

Proceed to

DTCs are not output (Problem symptom occurs.)

A

DTCs are output

B

DTCs are not output (Problem symptom does not occur.)

C

HINT:

  • Refer to Diagnostic Trouble Code Chart if any DTCs are output.
  • When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair the CAN communication system.
B

GO TO DIAGNOSTIC TROUBLE CODE CHART

C

USE SIMULATION METHOD TO CHECK

A

5.

PROBLEM SYMPTOMS TABLE

(a) Proceed 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 7

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Refer to Terminals of ECU.

Click here

(b) Refer to Data List / Active Test.

Click here

NEXT

7.

REPAIR OR REPLACE
NEXT

8.

CONFIRMATION TEST
NEXT

END

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