| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001HCHL |
| Model Year Start: 2019 | Model: RAV4 HV | Prod Date Range: [02/2019 - 06/2020] |
| Title: PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2019 - 2020 MY RAV4 HV [02/2019 - 06/2020] | ||
PROBLEM SYMPTOMS TABLE
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur: (w/ Panoramic View Monitor System)
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
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.
- *: w/ Panoramic View Monitor System
General
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
System does not operate at all |
Intuitive parking assist system |
|
|
CAN communication system |
|
|
|
Blind spot monitor system |
|
|
|
Clearance warning ECU assembly |
|
![2019 - 2025 MY RAV4 HV [02/2019 - ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
Sonar Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Detection function operates when the operating conditions are not met |
Hybrid control system |
|
|
Brake booster with master cylinder assembly (skid control ECU) |
|
|
|
Clearance warning ECU assembly |
|
|
|
Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning) |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
Buzzer Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Parking support brake system is normal but buzzer operation is intermittent |
Check that the temporary mute or auto mute function is not operating |
- |
|
Proceed to "No. 1 Clearance Warning Buzzer Circuit" |
|
|
|
Proceed to "No. 2 Clearance Warning Buzzer Circuit" |
|
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly |
|
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. |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly |
|
|
|
While the parking support brake system is operating, no parking support brake notifications are displayed on the radio and display receiver assembly.* |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Parking assist ECU |
|
|
|
Radio and display receiver assembly |
|
|
|
"PKSB Malfunction Visit Your Dealer" is displayed |
CAN communication system |
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
"PKSB Unavailable" is displayed |
Check that no foreign matter is attached to the ultrasonic sensors. |
- |
|
Steering angle neutral point (Parking support brake system registration) |
|
|
|
CAN communication system |
|
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
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) |
|
|
Check the installation of the ultrasonic sensors (rear) |
|
|
|
Adjust the installation of the ultrasonic sensors as necessary. |
|
|
|
Ultrasonic sensors (front) |
|
|
|
Ultrasonic sensors (rear) |
|
|
|
Clearance warning ECU assembly |
|
|
|
Parking support brake system control operates when there is no possibility of a collision |
Check the installation of the ultrasonic sensors (front) |
|
|
Check the installation of the ultrasonic sensors (rear) |
|
|
|
Adjust the installation of the ultrasonic sensors as necessary. |
|
|
|
Ultrasonic sensors (front) |
|
|
|
Ultrasonic sensors (rear) |
|
|
|
Clearance warning ECU assembly |
|
|
|
Parking support brake system control cannot be turned off (PKSB OFF indicator does not illuminate) |
Combination meter assembly: Perform Active Test |
|
|
Steering pad switch assembly |
|
|
|
Spiral cable sub-assembly |
|
|
|
Harness or connector |
- |
|
|
Clearance warning ECU assembly |
|
|
|
PKSB OFF indicator blinks |
If "Yes" is displayed for the Data List item "BSM Radar Communication Invalid History", the blind spot monitor system may be malfunctioning. |
|
|
Check that no foreign matter is attached to the ultrasonic sensors. |
- |
|
|
Steering angle neutral point (Parking support brake system registration) |
|
|
|