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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (U660E) (Diagnostic Codes (P0796-U0100) & Circuit Tests) >> Automatic Transaxle System >> DTC P2759: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) (TO 08/2009) >> Procedure

DTC P2759: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) (TO 08/2009): Procedure

  1. INSPECT TRANSMISSION WIRE (SLU) 
    1. Remove the TCM from the transaxle.
      Fig 1: Inspecting Transmission Wire (SLU)
      GTY180092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      11 (SLU+) - 5 (SLU-) 20°C (68°F) 5.0 to 5.6 Ω
      11 (SLU+) - Body ground or other terminals Always 10 kΩ or higher
      5 (SLU-) - Body ground or other terminals Always 10 kΩ or higher
      11 (SLU+) - All other terminals except 5 (SLU-) Always 10 kΩ or higher
      5 (SLU-) - All other terminals except 11 (SLU+) Always 10 kΩ or higher

      Result

      Result Proceed to
      OK B
      NG A

    B → See step   4 

    A: Go to next step 

  2. INSPECT SHIFT SOLENOID VALVE SLU 
    1. Remove shift solenoid valve SLU.
      Fig 2: Inspecting Shift Solenoid Valve SL1
      GTY253108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 5.0 to 5.6 Ω
      TEXT IN ILLUSTRATION

      *1 Shift Solenoid Valve SLU
    3. Connect a battery positive (+) lead with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.

      OK

      Valve moves and makes an operating sound.

    NG → See step   5 

    OK → See step   3 

  3. REPLACE TRANSMISSION WIRE. Refer to  REMOVAL 
  4. REPLACE TCM. Refer to  REMOVAL 
  5. REPLACE SHIFT SOLENOID VALVE SLU. Refer to  REMOVAL