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Home >> Toyota >> 2014 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Automatic Transmission (U760E) - Diagnostic Codes) >> Automatic Transaxle System >> DTC P0715: Input / Turbine Speed Sensor Circuit Malfunction; DTC P0717: Input Speed Sensor Circuit No Signal [12/2013 - 08/2014] >> Procedure

DTC P0715: Input / Turbine Speed Sensor Circuit Malfunction; DTC P0717: Input Speed Sensor Circuit No Signal [12/2013 - 08/2014]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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 [12/2013 - 11/2016]

      OK

      The installation bolts are tightened properly and there is no clearance between the sensor and valve body assembly.

      GTY310096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE TRANSMISSION REVOLUTION SENSOR. Refer to  COMPONENTS [12/2013 - ] 

    Result:  1

    OK 

    See step  2

  2. INSPECT TRANSMISSION WIRE 
    1. Disconnect the speed sensor connector from the transmission wire.
      GTY440895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Transmission Wire)
      *b Wiring harness connector side
      *c Sensor side
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (NTB) sensor side - A-1 (NTB) wiring harness connector side Always Below 1 Ω
      2 (NTO) sensor side - A-2 (NTO) wiring harness connector 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

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE TRANSMISSION WIRE. Refer to  COMPONENTS [12/2013 - ] 

    Result:  1

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (ECM - WIRING HARNESS CONNECTOR) 
    1. Disconnect the ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C2-1 (NTB) - C1-116 (NTB) Always Below 1 Ω
      C2-2 (NTO) - C1-115 (NTO) Always Below 1 Ω
      C2-1 (NTB) or C1-116 (NTB) - Body ground and other terminals Always 10 kΩ or higher
      C2-2 (NTO) or C1-115 (NTO) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  4

  4. INSPECT WIRING HARNESS CONNECTOR 
    1. Remove the wiring harness connector.
      GTY446217Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Wiring Harness Connector)
      *b ECM side
      *c Transmission wire side - -
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C2-1 (NTB) - A-1 (NTB) Always Below 1 Ω
      C2-2 (NTO) - A-2 (NTO) Always Below 1 Ω
      C2-1 (NTB) - All other terminals Always 10 kΩ or higher
      C2-2 (NTO) - All other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE WIRING HARNESS CONNECTOR. Refer to  COMPONENTS [12/2013 - 11/2016] 

    Result:  1

    OK 

    See step  5

  5. REPLACE TRANSMISSION REVOLUTION SENSOR 

    Refer to COMPONENTS [12/2013 - ]

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  6

  6. 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 [12/2013 - ]

      HINT: 

      Write down the currently output DTCs before clearing them.

    4. Perform the monitor drive pattern.

      Refer to MONITOR DRIVE PATTERN [12/2013 - ]

    5. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

      Powertrain > Engine > Trouble Codes 

    6. Read the DTCs using the Techstream.

      Result

      Result Proceed to
      Only DTC P0715 or P0717 is output A
      DTCs are not output B

    Result:  1

    REPLACE ECM. Refer to  COMPONENTS [12/2013 - 11/2016] 

    Result:  2

    END