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Home >> Lexus >> 2015 >> ES 350 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System - Diagnostic Codes & Circuit Tests >> Automatic Transaxle System >> DTC P0715: Input / Turbine Speed Sensor Circuit Malfunction; DTC P0717: Input Speed Sensor Circuit No Signal [08/2014 - ] >> Procedure
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DTC P0715: Input / Turbine Speed Sensor Circuit Malfunction; DTC P0717: Input Speed Sensor Circuit No Signal [08/2014 - ]: Procedure

  1. INSPECT TRANSMISSION REVOLUTION SENSOR (SPEED SENSOR INSTALLATION) 
    1. Remove the valve body assembly.
    2. Make sure that the connector is properly connected, and check the speed sensor installation. Refer to INSTALLATION [08/2014 - ] .
      GTY125327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      The installation bolt is tightened properly and there is no clearance between the sensor and transaxle case.

    NG → See step   6 

    OK: Go to next step 

  2. INSPECT TRANSMISSION WIRE 
    1. Remove the TCM.
      GTY321593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the speed sensor connector from the transmission wire.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (NTB) sensor side - 1 (NTB) TCM side Always Below 1 Ω
      2 (NTO) sensor side - 2 (NTO) TCM side Always Below 1 Ω
      1 (NTB) sensor side - Body ground and other terminals Always 10 kΩ or higher
      2 (NTO) sensor side - Body ground and other terminals Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Transmission Wire)
      *b TCM Side
      *c Sensor Side

    NG → See step   7 

    OK: Go to next step 

  3. REPLACE TRANSMISSION REVOLUTION SENSOR 

    Refer to COMPONENTS [08/2014 - ]

    NEXT: Go to next step 

  4. CHECK IF DTC OUTPUT RECURS (SEE IF DTC P0715 AND/OR P0717 OUTPUT AGAIN) 
    1. Connect the Techstream to the DLC3.
    2. Start the engine and turn the Techstream on.
    3. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2014 - ] .

      HINT: 

      Write down the currently output DTCs before clearing them.

    4. Perform the monitor drive pattern. Refer to MONITOR DRIVE PATTERN [08/2014 - ] .
    5. Enter the following menus: Powertrain / ECT / Trouble Codes.
    6. Read the DTCs using the Techstream.

      Result

      Display (DTC Output) Proceed to
      Only "P0715 or P0717" is output A
      No output B

    B → END 

    A → See step   5 

  5. REPLACE TCM. Refer to  COMPONENTS [08/2014 - ] 
  6. REPAIR OR REPLACE TRANSMISSION REVOLUTION SENSOR. Refer to  COMPONENTS [08/2014 - ] 
  7. REPLACE TRANSMISSION WIRE. Refer to  COMPONENTS [08/2014 - ]