| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000002D8A3 |
| Model Year Start: 2024 | Model: GR Corolla | Prod Date Range: [08/2023 - ] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: PROBLEM SYMPTOMS TABLE; 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 - ] | ||
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- When an open circuit or frozen indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
General
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
System does not operate at all |
Check that the CAN communication system is operating normally |
|
|
Check that the meter / gauge system is operating normally |
- |
|
|
Proceed to "Clearance Warning ECU Power Source Circuit" |
|
|
|
Clearance warning ECU assembly |
|
|
|
System cannot be turned off |
Check that the CAN communication system is operating normally |
|
|
Check that the meter / gauge system is operating normally |
- |
|
|
Steering pad switch assembly |
|
|
|
Spiral cable sub-assembly |
|
|
|
Harness or connector |
- |
|
|
Clearance warning ECU assembly |
|
![2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 - ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
Sonar Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Frozen indication is displayed in self-check function |
Proceed to "Sensor Frozen Indication (Dirty or Frozen)" |
|
|
"[Intuitive Parking Assist System icon] System Malfunction Visit Your Dealer" is displayed |
Calibration |
|
|
Vehicle control history (RoB) |
|
|
|
Clearance warning ECU assembly |
|
|
|
"[Intuitive Parking Assist System icon] System Stopped See Owner's Manual" is displayed |
Vehicle control history (RoB) |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is in P, or detection does not operate when shift lever is in any position other than P (front sonar) |
Check that the CAN communication system is operating normally |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is not in R, or does not operate with shift lever in R (rear sonar) |
Check that the CAN communication system is operating normally |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly (speedometer) operates normally, but detection does not operate when vehicle speed meets operation condition, or detection operates when vehicle speed does not meet operation condition (front sonar) |
Check that the CAN communication system is operating normally |
|
|
Clearance warning ECU assembly |
|
Buzzer Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Sonar detection operation is normal but buzzer operation is intermittent |
Check that the temporary mute function is not operating |
- |
|
Check that the CAN communication system is operating normally |
|
|
|
Check that the meter/gauge system is operating normally |
- |
|
|
Clearance warning ECU assembly |
|
Display Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Detection operation is normal but sonar displays do not appear on the radio and display receiver assembly |
Check that the CAN communication system is operating normally |
|
|
Check that the audio and visual system is operating normally |
- |
|
|
Radio and display receiver assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|