| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ9R |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: PROBLEM SYMPTOMS TABLE; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
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 |
See page |
|---|---|---|
|
System does not operate at all (self-check function does not operate) |
Clearance Warning ECU Power Source Circuit |
|
|
Clearance Sonar Main Switch Circuit |
|
|
|
Clearance Warning ECU |
|
|
|
ECU does not operate when clearance sonar main switch is turned on or off |
Clearance Sonar Main Switch Circuit |
|
|
Read value using the Techstream (EEPROM status) |
|
|
|
Clearance Warning ECU |
|
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Warning ECU Power Source Circuit](/t3Portal/stylegraphics/info.gif)
Sonar Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Freeze condition is displayed as a result of self-check |
Remove ice, mud or snow from the ultrasonic sensor |
- |
|
Open circuit in front sensors is displayed as a result of self-check |
Front Left Sensor Malfunction |
|
|
Front Right Sensor Malfunction |
|
|
|
Clearance Warning ECU |
|
|
|
Open circuit in rear sensors is displayed as a result of self-check |
Rear Left Sensor Malfunction |
|
|
Rear Right Sensor Malfunction |
|
|
|
Rear Left Center Sensor Malfunction |
|
|
|
Rear Right Center Sensor Malfunction |
|
|
|
Clearance Warning ECU |
|
|
|
Detection operation operates even when vehicle speed is more than 13 km/h (8 mph) |
CAN Communication System |
|
|
Clearance Warning ECU |
|
Display Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Detection operation is normal but sonar displays do not appear on multi-information display (combination meter assembly) |
CAN communication system |
|
|
Clearance Warning ECU |
|
|
|
Combination meter assembly |
|
|
|
Detection operation is normal but sonar displays do not appear on multi-display |
CAN Communication System |
|
|
Clearance Warning ECU |
|
|
|
Parking Assist ECU*1 |
|
|
|
AVC-LAN*1 |
- |
|
|
Navigation Receiver Assembly*1 |
|
|
|
Radio and display receiver assembly*2 |
|
|
|
Detection operation is normal but clearance sonar main switch indicator does not illuminate |
Clearance Sonar Main Switch Circuit |
|
|
Clearance Warning ECU |
|
- *1: w/ Navigation System
- *2: w/o Navigation System
Buzzer Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Detection operation is normal but buzzer operation is intermittent |
Clearance Warning Buzzer Circuit |
|
|
Clearance Warning ECU |
|
|
|