Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000002D8A0
Model Year Start: 2024 Model: GR Corolla Prod Date Range: [08/2023 -           ]
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]

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.

  • Click here 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM

Result

Proceed to

CAN communication system DTCs are not output

A

CAN communication system DTCs are output

B
B

GO TO CAN COMMUNICATION SYSTEM

A

5.

SYSTEM CHECK

(a) Check the vehicle specifications.

NEXT

6.

PROBLEM SYMPTOM CONFIRMATION
NEXT

7.

CHECK FOR DTCS

(a) Check for DTCs and note any codes that are output.

Body Electrical > Clearance Warning > Trouble Codes

(b) Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs

(c) Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTCs are output

A

DTCs are not output

B
B

GO TO STEP 9

A

8.

DIAGNOSTIC TROUBLE CODE CHART (INTUITIVE PARKING ASSIST SYSTEM)

(a) Refer to Diagnostic Trouble Code Chart.

Click here 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: DIAGNOSTIC TROUBLE CODE CHART

NEXT

GO TO STEP 13

9.

CHECK FOR VEHICLE CONTROL HISTORY*

HINT:

Refer to Vehicle Control History.

Click here 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: VEHICLE CONTROL HISTORY (RoB)

(a) Check for vehicle control history 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 is output (Problem symptom does not occur)

A

No vehicle control history is output (Problem symptom occurs)

B

X20C0 or X20C1 is output

C

Any vehicle control history other than X20C0 and X20C1 is output

D
B

GO TO STEP 11

C

GO TO CALIBRATION

D

GO TO VEHICLE CONTROL HISTORY

A

10.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NEXT

11.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B
B

GO TO STEP 13

A

12.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

Click here 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: TERMINALS OF ECU

(b) Data List / Active Test

Click here 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: DATA LIST / ACTIVE TEST

NEXT

13.

CIRCUIT INSPECTION
NEXT

14.

IDENTIFICATION OF PROBLEM
NEXT

15.

REPAIR OR REPLACE
NEXT

16.

CONFIRMATION TEST
NEXT

END