Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000021JA1
Model Year Start: 2022 Model: RAV4 HV Prod Date Range: [12/2021 -           ]
Title: PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2022 - 2024 MY RAV4 HV [12/2021 -        ]

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.

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.
  • *1: w/ Panoramic View Monitor System
  • *2: for Nickel Metal Hydride Battery
  • *3: for Lithium-ion Battery

General

Symptom

Suspected Area

Link

System does not operate at all

Intuitive parking assist system

2019 - 2024 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

CAN communication system

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Blind spot monitor system

2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Sonar Function

Symptom

Suspected Area

Link

Detection function operates when the operating conditions are not met

Hybrid control system*2

2019 - 2024 MY RAV4 HV [02/2019 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): HOW TO PROCEED WITH TROUBLESHOOTING

Hybrid control system*3

2020 - 2024 MY RAV4 HV [06/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): HOW TO PROCEED WITH TROUBLESHOOTING

Brake actuator assembly (No. 2 skid control ECU)

2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (w/o Vacuum Brake Booster): REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (w/o Vacuum Brake Booster): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (w/o Vacuum Brake Booster): REMOVAL

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning)

CAN communication system

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

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"

2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): No. 1 Clearance Warning Buzzer Circuit

Proceed to "No. 2 Clearance Warning Buzzer Circuit"

2019 - 2023 MY RAV4 HV [02/2019 - 10/2023]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): No. 2 Clearance Warning Buzzer Circuit 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): No. 2 Clearance Warning Buzzer Circuit

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Combination meter assembly

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

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

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Combination meter assembly

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

While the parking support brake system is operating, no parking support brake notifications are displayed on the radio and display receiver assembly.*1

CAN communication system

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Parking assist ECU

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Radio and display receiver assembly

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

"PKSB Malfunction Visit Your Dealer" is displayed

CAN communication system

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Combination meter assembly

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

"PKSB Unavailable" is displayed

Check that no foreign matter is attached to the ultrasonic sensors.

-

Steering angle neutral point (Parking support brake system registration)

2019 - 2022 MY RAV4 HV [02/2019 - 10/2022]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2023 MY RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION

CAN communication system

2019 - 2024 MY RAV4 HV [02/2019 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Combination meter assembly

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

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)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): INSTALLATION 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): INSTALLATION

Check the installation of the ultrasonic sensors (rear)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): INSTALLATION 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): INSTALLATION

Adjust the installation of the ultrasonic sensors as necessary.

2019 - 2022 MY RAV4 HV [02/2019 - 10/2022]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2023 MY RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION

Ultrasonic sensors (front)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL

Ultrasonic sensors (rear)

2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Parking support brake system control operates when there is no possibility of a collision

Check the installation of the ultrasonic sensors (front)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): INSTALLATION 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): INSTALLATION

Check the installation of the ultrasonic sensors (rear)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): INSTALLATION 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): INSTALLATION

Adjust the installation of the ultrasonic sensors as necessary.

2019 - 2022 MY RAV4 HV [02/2019 - 10/2022]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2023 MY RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION

Ultrasonic sensors (front)

2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL

Ultrasonic sensors (rear)

2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

Parking support brake system control cannot be turned off (PKSB OFF indicator does not illuminate)

Combination meter assembly: Perform Active Test

2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DATA LIST / ACTIVE TEST

Steering pad switch assembly

2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; STEERING COLUMN: STEERING PAD SWITCH: INSPECTION

Spiral cable sub-assembly

2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: SPIRAL CABLE: INSPECTION

Harness or connector

-

Clearance warning ECU assembly

2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL

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.

2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Check that no foreign matter is attached to the ultrasonic sensors.

-

Steering angle neutral point (Parking support brake system registration)

2019 - 2022 MY RAV4 HV [02/2019 - 10/2022]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2023 MY RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION