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.

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

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

2. READ VALUE USING GTS

   
   

   1. Read the Data List according to the display on the GTS Click here.

      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 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

      Result

      Result	Proceed to
      Sensor frozen history displays "Not Rec".	A
      Sensor frozen history displays "Recorded".	B

   
   

   B

   CLEAR THE DTC Click here

   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. Read the Data List according to the display on the GTS Click here.

      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 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

      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

   
   

   A

   END

   B

   REPLACE ULTRASONIC SENSOR (for Front Side) Click here

   C

   REPLACE ULTRASONIC SENSOR (for Rear Side) Click here

6. CLEAR THE DTC

   
   

   1. Clear the DTCs Click here.

   
   

   NEXT

7. READ VALUE USING GTS

   
   

   1. Read the Data List according to the display on the GTS Click here.

      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 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

      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

   
   

   A

   END

   B

   REPLACE ULTRASONIC SENSOR (for Front Side) Click here

   C

   REPLACE ULTRASONIC SENSOR (for Rear Side) Click here