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

Info Added 2017-10-06

DESCRIPTION

When the ultrasonic sensor is dirty or frozen, malfunction indication is displayed on the multi-information display in the combination meter assembly.

Tech Tips

Depending on the clearance warning ECU assembly, the "Clean Parking Assist Sensor" warning message may not be displayed.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > IPA/ICS/Clearance Sonar > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      OK
      No DTCs are output.
      Result
      Result
      OK
      NG

    NG

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    OK

  2. CLEAN ULTRASONIC SENSORS


    1. Ensure that the ultrasonic sensors are not dirty or frozen.

      Result
      Proceed to
      NEXT

    NEXT

  3. CLEAR THE DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > IPA/ICS/Clearance Sonar > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  4. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

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

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


      Body Electrical > IPA/ICS/Clearance Sonar > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rr Right Freezed History Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Ultrasonic 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 Side Freezed History Ultrasonic 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 Side Freezed History Ultrasonic 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

      Body Electrical > IPA/ICS/Clearance Sonar > Data List
      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
      Fr Right Side Freezed History
      Fr Left Side Freezed History
      Rr Right Side Freezed History
      Rr Left Side Freezed History
      Result
      Result Proceed to
      Sensor frozen history displays "Not Rec" A
      Sensor frozen history displays "Recorded" (for Front) B
      Sensor frozen history displays "Recorded" (for Rear) C

    A

    END

    B

    REPLACE ULTRASONIC SENSOR FRONT Click here

    C

    REPLACE ULTRASONIC SENSOR REAR Click here