| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001C2DE |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - ] |
| Title: PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2019 - 2022 MY Avalon HV [04/2018 - ] | ||
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.
General
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
System does not operate at all |
Intuitive parking assist system |
|
|
CAN communication system |
|
|
|
Clearance warning ECU assembly |
|
|
|
Steering pad switch assembly |
|
|
|
Blind spot monitor system |
|
![2019 - 2022 MY Avalon HV [04/2018 - ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model): 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 |
|
|
Clearance warning ECU assembly |
|
|
|
Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning) |
CAN communication system |
|
|
Skid control ECU |
|
|
|
Clearance warning ECU assembly |
|
Buzzer Function
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Intelligent clearance sonar system is normal but buzzer operation is intermittent |
Check that the temporary 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 ICS system is operating, no ICS notifications are displayed on the multi-information display. |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly |
|
|
|
While the ICS system is operating, no ICS notifications are displayed on the headup display.* |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Meter mirror sub-assembly |
|
|
|
"ICS Malfunction Visit Your Dealer" is displayed |
Combination meter assembly |
|
|
Clearance warning ECU assembly |
|
|
|
"ICS Unavailable" is displayed |
Check that no foreign matter is attached to the ultrasonic sensors. |
- |
|
Steering angle neutral point (Intelligent clearance sonar system registration) |
|
|
|
CAN communication system |
|
|
|
Combination meter assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
ICS does not operate when there is a possibility of a collision (Warning message "ICS 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 |
|
|
|
ICS 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 |
|
|
|
ICS control cannot be turned off (ICS OFF indicator does not illuminate) |
Combination meter assembly (LED): Perform Active Test (Indicat. ICS OFF LCD) |
|
|
Steering pad switch assembly |
|
|
|
Clearance warning ECU assembly |
|
|
|
ICS 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 (Intelligent clearance sonar system registration) |
|
- *: w/ Headup Display System
|
|