Problem Symptoms Table [11/2023 - ]
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.
GENERAL
| Symptom | Suspected Area | Link |
|---|---|---|
| System does not operate at all | Check that the intuitive parking assist system is operating normally | - |
| Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Check that the blind spot monitor system is operating normally | - | |
| Steering pad switch assembly | Refer to REMOVAL [11/2023 - ] | |
| Spiral cable sub-assembly | Refer to INSPECTION [12/2019 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] |
SONAR FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| Detection function operates when the operating conditions are not met | Check that the hybrid control system is operating normally*1 | - |
| Check that the SFI system is operating normally*2 | - | |
| Check that the blind spot monitor system is operating normally | - | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Blind spot monitor sensor LH (B) | Refer to REMOVAL [11/2023 - ] | |
| Blind spot monitor sensor RH (A) | Refer to REMOVAL [11/2023 - ] | |
| No. 2 skid control ECU (brake actuator assembly)*1 | Refer to REMOVAL [11/2023 - ] | |
| Skid control ECU (brake actuator assembly)*2 | Refer to REMOVAL [11/2023 - ] | |
| Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning) | Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] |
BUZZER FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| Parking support brake system is normal but buzzer operation is intermittent | Check that the temporary mute function is not operating | - |
| Check that the blind spot monitor system is operating normally | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Proceed to "No. 1 Clearance Warning Buzzer Circuit" | Refer to No. 1 Clearance Warning Buzzer Circuit [11/2023 - ] | |
| Proceed to "No. 2 Clearance Warning Buzzer Circuit" | Refer to No. 2 Clearance Warning Buzzer Circuit [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Combination meter assembly | Refer to REMOVAL [12/2019 - ] |
DISPLAY FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| While the parking support brake system is operating, no parking support brake notifications are displayed on the multi-information display. | Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Combination meter assembly | Refer to REMOVAL [12/2019 - ] | |
| While the parking support brake system is operating, no parking support brake notifications are displayed on the radio and display receiver assembly. | Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Radio and display receiver assembly | Refer to REMOVAL [11/2023 - ] | |
| Rear television camera assembly*4 | Refer to REMOVAL [11/2023 - ] | |
| Parking assist ECU*5 | Refer to REMOVAL [11/2023 - ] | |
| While the parking support brake system is operating, no parking support brake notifications are displayed on the headup display.*3 | Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Meter mirror sub-assembly | Refer to REMOVAL [11/2023 - ] | |
| "PKSB Malfunction Visit Your Dealer" is displayed | Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Combination meter assembly | Refer to REMOVAL [12/2019 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| "PKSB Unavailable" is displayed | Check that no foreign matter is attached to the ultrasonic sensors. | - |
| Check that the CAN communication system is operating normally*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Check that the CAN communication system is operating normally*2 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Check that the intuitive parking assist system is operating normally | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] | |
| Check that the blind spot monitor system is operating normally | - | |
| Combination meter assembly | Refer to REMOVAL [12/2019 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Parking support brake system does not operate when there is a possibility of a collision (Warning message "PKSB Unavailable" not displayed) | Check the installation of the ultrasonic sensors (front) | Refer to INSTALLATION [11/2023 - ] |
| Check the installation of the ultrasonic sensors (rear) | Refer to INSTALLATION [11/2023 - ] | |
| Adjust the installation of the ultrasonic sensors as necessary. | Refer to CALIBRATION [11/2023 - ] | |
| Ultrasonic sensors (front) | Refer to REMOVAL [11/2023 - ] | |
| Ultrasonic sensors (rear) | Refer to REMOVAL [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Parking support brake system control operates when there is no possibility of a collision | Check the installation of the ultrasonic sensors (front) | Refer to INSTALLATION [11/2023 - ] |
| Check the installation of the ultrasonic sensors (rear) | Refer to INSTALLATION [11/2023 - ] | |
| Adjust the installation of the ultrasonic sensors as necessary. | Refer to CALIBRATION [11/2023 - ] | |
| Ultrasonic sensors (front) | Refer to REMOVAL [11/2023 - ] | |
| Ultrasonic sensors (rear) | Refer to REMOVAL [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| Parking support brake system control cannot be turned off (PKSB OFF indicator light does not illuminate) | Combination meter assembly (LED): Perform Active Test (Indicat. PKSB OFF LCD)*6 | Refer to DATA LIST / ACTIVE TEST [11/2023 - ] |
| Combination meter assembly (LED): Perform Active Test (Multi Display All (White))*7 | Refer to DATA LIST / ACTIVE TEST [11/2023 - ] | |
| Steering pad switch assembly | Refer to REMOVAL [11/2023 - ] | |
| Spiral cable sub-assembly | Refer to INSPECTION [12/2019 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| When the ignition switch has been turned to ON, the PKSB OFF indicator does not illuminate. | Combination meter assembly (LED): Perform Active Test (Indicat. PKSB OFF LCD)*6 | Refer to DATA LIST / ACTIVE TEST [11/2023 - ] |
| Combination meter assembly (LED): Perform Active Test (Multi Display All (White))*7 | Refer to DATA LIST / ACTIVE TEST [11/2023 - ] | |
| Clearance warning ECU assembly | Refer to REMOVAL [11/2023 - ] | |
| PKSB OFF indicator light illuminates | Check that no foreign matter is attached to the ultrasonic sensors. | - |
- *1: for HV Model
- *2: for Gasoline Model
- *3: w/ Headup Display System
- *4: w/ Parking Assist Monitor System
- *5: w/ Panoramic View Monitor System
- *6: except 12.3 Inch Model
- *7: for 12.3 Inch Model