Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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.
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTC is output | B |
| B |  | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 2. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Advanced Parking Guidance / ICS / Intuitive P/A / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Rr Right Freezed History | Rear right sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Right Center Freezed History | Rear right center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Left Center Freezed History | Rear left center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Left Freezed History | Rear left sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Right Freezed History | Front right sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Right Center Freezed History | Front right center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Left Center Freezed History | Front left center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Left Freezed History | Front left sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Tester Display |
|---|
| Rr Right Freezed History |
| Rr Right Center Freezed History |
| Rr Left Center Freezed History |
| Rr Left Freezed History |
| Fr Right Freezed History |
| Fr Right Center Freezed History |
| Fr Left Center Freezed History |
| Fr Left Freezed History |
| Result | Proceed to |
|---|---|
| Sensor frozen history displays "Not Rec" | A |
| Sensor frozen history displays "Recorded" | B |
| B | | GO TO STEP 4 |
|
| 3. | CLEAN ULTRASONIC SENSORS |
(a) Clean the ultrasonic sensor from dirty or frozen.
|
| 4. | CLEAR THE DTC |
(a) Clear the DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs
|
| 5. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG) and wait 30 seconds.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Advanced Parking Guidance / ICS / Intuitive P/A / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Rr Right Freezed History | Rear right sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Right Center Freezed History | Rear right center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Left Center Freezed History | Rear left center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Rr Left Freezed History | Rear left sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Right Freezed History | Front right sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Right Center Freezed History | Front right center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Left Center Freezed History | Front left center sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Fr Left Freezed History | Front left sensor frozen history | Not Rec or Recorded | Not Rec: No record history Recorded: Record history | If the DTCs are cleared, history record will be cleared |
| Tester Display |
|---|
| Rr Right Freezed History |
| Rr Right Center Freezed History |
| Rr Left Center Freezed History |
| Rr Left Freezed History |
| Fr Right Freezed History |
| Fr Right Center Freezed History |
| Fr Left Center Freezed History |
| Fr Left Freezed History |
| Result | Proceed to |
|---|---|
| Sensor frozen history displays "Not Rec" | A |
| Sensor frozen history displays "Recorded" | B |
| A | | END |
| B | | REPLACE ULTRASONIC SENSOR |
No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION This circuit consists of the No. 2 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)
CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake actuator assembly), perform "Calibration". Click here PROCEDURE 1. PRE-INSPECTION (a) Brake pedal inspection (1) Perform a visual inspection and operate the brake pedal to check for any malfunctions. (2) Check the ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vacuum Switching Valve (for Acis): Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) (a) Install the No. 1 vacuum switching valve assembly (for ACIS) to the intake air surge tank assembly with the bolt. Torque: 9.0 N·m {92 kgf·cm, 80 in·lbf} (b) Connect the 2 vacuum hose sub-assemblies to the No. ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0154