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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Automatic Transmission System (Aa80E) - Diagnostic Codes (1 Of 2)) >> Automatic Transmission System >> DTC P0711: Transmission Fluid Temperature Sensor "A" Performance [11/2021 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Perform the universal trip to clear permanent DTCs.

    Refer to DTC CHECK / CLEAR [11/2021 - ]

  • Perform registration and/or initialization when parts related to the automatic transmission are replaced.

    Refer to PRECAUTION [11/2021 - ]

  • If DTCs P0711 and P2610 are output simultaneously, confirm that the ATF temperature is as specified in "Normal Condition" using the Techstream first. When the ATF temperature is as specified in "Normal Condition", perform troubleshooting for DTC P2610.

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - ]

HINT: 

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.

  1. Wait for 5 hours with the engine switch off.
  2. Start the engine.
  3. Drive the vehicle 27 km (16.8 miles) or more over a period of 12 minutes and 30 seconds or more.
  4. After 55 minutes or more have elapsed since performing step (2), turn the engine switch off.
  5. Perform steps (1) through (4) again.
  6. Check for DTCs again.

    Refer to DTC CHECK / CLEAR [11/2021 - ]

  1. DATA LIST 
    NOTE:

    In the table below, the values listed under "Normal Condition" are reference values.

    HINT: 

    Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    1. Warm up the engine.
    2. Turn the engine switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the engine switch on (IG).
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / ECT / Data List / A/T Oil temperature 1.
    7. Read the Data List according to the display on the Techstream.

      Powertrain > ECT > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      A/T Oil Temperature 1 ATF temperature sensor value Min.: -40°C (-40°F)
      Max.: 150°C (302°F)
      • After stall speed test: Approximately 80°C (176°F)
      • While engine is cold: Equal to ambient temperature
      		 If value is -40°C (-40°F) or 150°C (302°F), ATF temperature sensor circuit is open or short circuited

      Powertrain > ECT > Data List 

      Tester Display
      A/T Oil Temperature 1

      HINT: 

      • When DTC P0712 is output and the Techstream shows 150°C (302°F) or more, there is a short circuit.
      • When DTC P0713 is output and the Techstream shows -40°C (-40°F), there is an open circuit.

        Check the temperature displayed on the Techstream in order to check if a malfunction exists.

      Temperature Displayed Malfunction
      -40°C (-40°F) Open circuit
      150°C (302°F) or more Short circuit

      HINT: 

      If a circuit related to the ATF temperature sensor becomes open, P0713 will be stored in approximately 0.5 seconds. It is not necessary to inspect the circuit when P0711 is output.

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