LEXUS PARKING ASSIST-SENSOR SYSTEM Sensor Frozen Indication (Dirty or Frozen)

DESCRIPTION

When the ultrasonic sensor is dirty or frozen, "Clean Parking Assist Sensor" is displayed on the multi-information display in the combination meter assembly.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result Proceed to
      DTCs are not output A
      DTC is output B

    B
    A
  2. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Clearance Sonar / Data List.

    5. According to the display on the GTS, read the Data List.

      Clearance Sonar
      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
      Fr Right Side Freezed History Front right side 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 Side Freezed History Front left side 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
      Result
      Result Proceed to
      Sensor frozen history displays "Not Rec" A
      Sensor frozen history displays "Recorded" (for front sensors) B

    B
    A
  3. CLEAN ULTRASONIC SENSORS


    1. Clean the ultrasonic sensor from dirty or frozen.


    NEXT
  4. CLEAR THE DTC


    1. Clear the DTCs Click here.


    NEXT
  5. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Clearance Sonar / Data List.

    5. According to the display on the GTS, read the Data List.

      Clearance Sonar
      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
      Fr Right Side Freezed History Front right side 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 Side Freezed History Front left side 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
      Result
      Result Proceed to
      Sensor frozen history displays "Not Rec" A
      Sensor frozen history displays "Recorded" (for front sensors) B
      Sensor frozen history displays "Recorded" (for rear sensors) C

    B
    C
    A
  6. CLEAR THE DTC


    1. Clear the DTCs Click here.


    NEXT
  7. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Clearance Sonar / Data List.

    5. According to the display on the GTS, read the Data List.

      Clearance Sonar
      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
      Fr Right Side Freezed History Front right side 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 Side Freezed History Front left side 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
      Result
      Result Proceed to
      Sensor frozen history displays "Not Rec" A
      Sensor frozen history displays "Recorded" (for front sensors) B
      Sensor frozen history displays "Recorded" (for rear sensors) C

    B
    C
    A