TOYOTA 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.

PROCEDURE

1. CHECK FOR DTC

   
   

   1. Clear the DTCs.

      Click here

      
      Body Electrical > Clearance Sonar > Clear DTCs

   2. Check for DTCs.

      Click here

      
      Body Electrical > Clearance Sonar > Trouble Codes

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

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

2. 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 / Clearance Sonar / Data List.

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

      
      Body Electrical > Clearance Sonar > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      Rr Right Freezed History	Rear corner sensor RH 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 center sensor RH 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 center sensor LH 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 corner sensor RH 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 corner sensor RH 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 corner sensor LH 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 > 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 Left Freezed 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" B

   
   

   B

   GO TO STEP 4 Click here

   A

3. CLEAN ULTRASONIC SENSORS

   
   

   1. Clean the ultrasonic sensor from dirty or frozen.

      Result
      Proceed to NEXT

   
   

   NEXT

4. CLEAR THE DTC

   
   

   1. Clear the DTCs.

      Click here

      
      Body Electrical > Clearance Sonar > Clear DTCs

      Result
      Proceed to NEXT

   
   

   NEXT

5. 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 / Clearance Sonar / Data List.

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

      
      Body Electrical > Clearance Sonar > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      Rr Right Freezed History	Rear corner sensor RH frozen history	Not Rec or Recorded	Recorded: Record history Not Rec: No record history	If the DTCs are cleared, history record will be cleared
      Rr Right Center Freezed History	Rear center sensor RH 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 center sensor LH 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 corner sensor RH 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 corner sensor RH 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 corner sensor LH 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 > 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 Left Freezed History

      Result
      Result Proceed to Sensor frozen history displays "Not Rec" A Sensor frozen history displays "Recorded" (for Front Side) B Sensor frozen history displays "Recorded" (for Rear Side) C

   
   

   A

   END

   B

   REPLACE ULTRASONIC SENSOR Click here

   C

   REPLACE ULTRASONIC SENSOR Click here