| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000002D8AS |
| Model Year Start: 2024 | Model: GR Corolla | Prod Date Range: [08/2023 - ] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Sensor Frozen Indication (Dirty or Frozen); 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 - ] | ||
|
Sensor Frozen Indication (Dirty or Frozen) |
DESCRIPTION
When the ultrasonic sensor is dirty or frozen, "Parking Assist Unavailable Clean Parking Assist Sensor" is displayed on the multi-information display in the combination meter assembly.
CAUTION / NOTICE / HINT
NOTICE:
Perform registration after replacing or removing and installing the ultrasonic sensor or clearance warning ECU assembly.
Click here
![2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 - ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: CALIBRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
READ VALUE USING GTS |
(a) Enter the following menus: Body Electrical / Clearance Warning / Data List.
(b) Read the Data List according to the display on the GTS.
Body Electrical > Clearance Warning > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C4 is output if YES |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C4 is output if YES |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C4 is output if YES |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C4 is output if YES |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C4 is output if YES |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C5 is output if YES |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C5 is output if YES |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C5 is output if YES |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C5 is output if YES |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C5 is output if YES |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C6 is output if YES |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C6 is output if YES |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C6 is output if YES |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C6 is output if YES |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C6 is output if YES |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C7 is output if YES |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C7 is output if YES |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C7 is output if YES |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C7 is output if YES |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C7 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
Foreign matter stuck (thrown up) status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck (thrown up) on sensor YES: Foreign matter stuck (thrown up) on sensor |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C8 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
Foreign matter stuck (thrown up) status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck (thrown up) on sensor YES: Foreign matter stuck (thrown up) on sensor |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20C9 is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
Foreign matter stuck (thrown up) status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck (thrown up) on sensor YES: Foreign matter stuck (thrown up) on sensor |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20CA is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Circuit Open |
Open circuit status of the ultrasonic sensor |
NO/YES |
NO: No sensor open circuit YES: Sensor open circuit |
RoB X20CB is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Freeze/Dirt |
Frozen/dirty status of the ultrasonic sensor |
NO/YES |
NO: Sensor not frozen/dirty YES: Sensor frozen/dirty |
RoB X20CB is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Foreign Material Fixing |
Foreign matter stuck status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck on sensor YES: Foreign matter stuck on sensor |
RoB X20CB is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
Foreign matter stuck (thrown up) status of the ultrasonic sensor |
NO/YES |
NO: Foreign matter not stuck (thrown up) on sensor YES: Foreign matter stuck (thrown up) on sensor |
RoB X20CB is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Parameter Malfunction |
Parameter malfunction status of the ultrasonic sensor |
NO/YES |
NO: No sensor parameter malfunction YES: Sensor parameter malfunction |
RoB X20CB is output if YES |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Flowing Water Continuously |
Continuous running water status of the ultrasonic sensor |
NO/YES |
NO: No sensor continuous running water YES: Sensor continuous running water |
RoB X20CB is output if YES |
Body Electrical > Clearance Warning > Data List
|
Tester Display |
|---|
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Front Right Center) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Front Left Center) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Front Right Corner) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Front Left Corner) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Rear Right Center) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Rear Left Center) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Rear Right Corner) Temporarily Unavailable - Flowing Water Continuously |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Circuit Open |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Freeze/Dirt |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Foreign Material Fixing |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Foreign Material Fixing (Curl Up) |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Parameter Malfunction |
|
Ultrasonic Sensor (Rear Left Corner) Temporarily Unavailable - Flowing Water Continuously |
|
Result |
Proceed to |
|---|---|
|
Sensor frozen history displays "YES" |
A |
|
Sensor frozen history displays "NO" |
B |
| B |
|
|
|
2. |
CLEAN ULTRASONIC SENSORS |
(a) Clean the ultrasonic sensor from dirty or frozen.
| NEXT |
|
END |
|
3. |
CHECK FOR DTC |
(a) According to the display on the GTS, check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
(b) According to the display on the GTS, clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
(c) Recheck for DTCs
Body Electrical > Clearance Warning > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC is output (for Front) |
B |
|
DTC is output (for Rear) |
C |
| A |
|
| B |
|
| C |
|
|
|