PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): PROBLEM SYMPTOMS TABLE; 2021 - 2024 MY RAV4 HV [08/2020

PROBLEM SYMPTOMS TABLE

NOTICE:

The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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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.
When an open circuit or frozen indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.

*1: w/ Parking Assist Monitor System
*2: w/ Panoramic View Monitor System

General

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Clearance Warning ECU Power Source Circuit"

Meter/gauge system

CAN communication system

Clearance warning ECU assembly

System cannot be turned off

CAN communication system

Meter/gauge system

Steering pad switch assembly

Spiral cable sub-assembly

Harness or connector

Clearance warning ECU assembly

Sonar Function

Symptom

Suspected Area

Link

Frozen indication is displayed in self-check function.

Proceed to "Sensor Frozen Indication (Dirty or Frozen)"

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)

CAN communication system

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)

CAN communication system

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)

CAN communication system

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 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

Display Function

Symptom

Suspected Area

Link

Detection operation is normal but all displays do not appear

CAN communication system

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on multi-information display

CAN communication system

Combination meter assembly

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the radio and display receiver assembly*1

CAN communication system

Radio and display receiver assembly

Television camera assembly

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the radio and display receiver assembly*2

CAN communication system

Radio and display receiver assembly

Parking assist ECU

Clearance warning ECU assembly