Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: How To Proceed With Troubleshooting

Toyota Corolla Cross (2022-2025) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled 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.

CHECK DTC, FREEZE FRAME DATA AND VEHICLE CONTROL HISTORY (RoB)*

(a) Check and record DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > Brake Booster > Trouble Codes Chassis > Brake/EPB > Trouble Codes

(b) Clear the DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > Brake Booster > Clear DTCs Chassis > Brake/EPB > Clear DTCs

(c) Reconfirm the DTCs.

(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

for DTC Check / Clear: Click here

for Freeze Frame Data: Click here

Chassis > Brake Booster > Trouble Codes Chassis > Brake/EPB > Trouble Codes

HINT:

  • When CAN communication system DTCs are output, repair the CAN communication system first.

    Click here

  • If DTCs related to momentary interruptions are output, perform troubleshooting for those DTCs first.

    Click here

  • If the GTS cannot communicate with the skid control ECU, inspect the CAN communication system.

    Click here

  • If there is no response from the electric brake booster (brake booster with master cylinder assembly) or skid control ECU (brake actuator assembly), inspect the supply power circuit.

    Click here

(d) Check the Vehicle Control History (RoB).

Click here

Chassis > Brake Booster > Utility

Tester Display

Vehicle Control History (RoB)
Chassis > Brake/EPB > Utility

Tester Display

Vehicle Control History (RoB)
Chassis > Steering Angle Sensor > Utility

Tester Display

Vehicle Control History (RoB)

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

DTCs are not output. (Vehicle control history (RoB) is stored.)

D
A

CONFIRM PROBLEM SYMPTOMS

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS*
C

USE SIMULATION METHOD TO CHECK

D

PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY (RoB)*

NOTICE:

After performing troubleshooting and repair regarding vehicle control history (RoB), clear the vehicle control history (RoB).

    READ NEXT:

     Test Mode Procedure

    TEST MODE PROCEDURE NOTICE: After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correc

     Utility

    UTILITY DESCRIPTION (a) If any of the parts listed in the following table are replaced or adjusted, it is necessary to perform the specified operation. NOTICE: Learning cannot be performed again

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE If DTCs are not output but the malfunction persists, use the following table to determine which circuits to inspect for each problem symptom. HINT: Refer to each inspection

    SEE MORE:

     Electronic Brake Booster Control Module "A" Signal Compare Failure (C121F62)

    DESCRIPTION When the self-check function of the electric brake booster (brake booster with master cylinder assembly) detects an internal circuit malfunction, this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area M

     Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground (P022011)

    DESCRIPTION Refer to DTC P012011. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P022011 Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground The output voltage of VTA2 is less than 2.05 V for 2 seconds or more (

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