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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Automatic Transmission System (Aa81E, For 2GR-FKS) - Diagnostic Codes (3 Of 4)) >> AUTOMATIC TRANSMISSION SYSTEM (for 2GR-FKS) >> DTC P0795-7F: Pressure Control Solenoid "C" Actuator Stuck Off [10/2017 - 09/2019] >> Procedure

DTC P0795-7F: Pressure Control Solenoid "C" Actuator Stuck Off [10/2017 - 09/2019]: Procedure

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  1. CHECK DTC OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Transmission / Trouble Codes.

      Powertrain > Transmission > Trouble Codes 

    5. Read the DTCs using the Techstream.

      Result

      Result Proceed to
      Only DTCs P0770-7F, P0795-7F and P2713-7F are output A
      Only DTCs P0795-7F and P2713-7F are output B
      Only DTCs P0795-7F, P2713-7F and P2807-7F are output C
      P0770-7F, P0795-7F, P2713-7F and other DTCs are output D

      HINT: 

      If any DTCs other than P0770-7F, P0775-7F and P2713-7F are output, perform troubleshooting for those DTCs first.

    Result: 

    B 

    See step  8

    Result: 

    C 

    See step  9

    Result: 

    D 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2017 - 09/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2018 - 09/2019] 

    Result: 

    A 

    See step  2

  2. CLEAR DTC AND PERFORM STALL SPEED TEST 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    2. Perform the stall speed test.

      Refer to MECHANICAL SYSTEM TESTS [10/2017 - 09/2020]

      Result

      Result Proceed to
      Stall speed test can be performed A
      Stall speed test cannot be performed B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  3

  3. INSPECT SHIFT SOLENOID VALVE SR 
    1. Remove the shift solenoid valve SR.
      GTY654436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Solenoid Valve SR

      Refer to DISASSEMBLY [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal of shift solenoid valve SR connector - Shift solenoid valve SR body 20°C (68°F) 11 to 15 Ω
    3. Connect a positive (+) lead from the battery to the terminal of the shift solenoid valve connector, and a negative (-) lead to the shift solenoid valve body. Check that the valve moves and makes an operating sound.

      OK

      Valve moves and makes an operating sound.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT SOLENOID VALVE SR. Refer to  COMPONENTS [10/2016 - ] 

    Result: 

    OK 

    See step  4

  4. INSPECT SHIFT SOLENOID VALVE SL3 
    1. Remove the shift solenoid valve SL3.
      GTY635585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Solenoid Valve SL3

      Refer to DISASSEMBLY [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal 1 of the shift solenoid valve SL3 - Terminal 2 20°C (68°F) 5.0 to 5.6 Ω
    3. Connect a positive (+) lead from the battery with a 21 W bulb to terminal 1 and a negative (-) lead to terminal 2 of the shift solenoid valve connector. Check that the valve moves and makes an operating sound.

      OK

      Valve moves and makes an operating sound.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT SOLENOID VALVE SL3. Refer to  COMPONENTS [10/2016 - ] 

    Result: 

    OK 

    See step  5

  5. INSPECT TRANSMISSION VALVE BODY ASSEMBLY 
    1. Check the transmission valve body assembly.

      Refer to REMOVAL [10/2016 - ]

      OK

      There is no foreign matter on each valve and they operate smoothly.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY. Refer to  COMPONENTS [10/2016 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT TORQUE CONVERTER ASSEMBLY 
    1. Check the torque converter assembly.

      Refer to INSPECTION [10/2017 - ]

      OK

      The torque converter assembly operates normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE AUTOMATIC TRANSMISSION ASSEMBLY. Refer to  COMPONENTS [10/2016 - ] 

    Result: 

    NG 

    REPLACE TORQUE CONVERTER ASSEMBLY. Refer to  COMPONENTS [10/2016 - ] 

  7. INSPECT SHIFT SOLENOID VALVE SLT 
    1. Remove the shift solenoid valve SLT.
      GTY677581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Solenoid Valve SLT

      Refer to DISASSEMBLY [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal 1 of the shift solenoid valve SLT - terminal 2 20°C (68°F) 5.0 to 5.6 Ω
    3. Connect a positive (+) lead from the battery with a 21 W bulb to terminal 1 and a negative (-) lead to terminal 2 of the shift solenoid valve connector. Check that the valve moves and makes an operating sound.

      OK

      Valve moves and makes an operating sound.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  5

    Result: 

    NG 

    REPLACE SHIFT SOLENOID VALVE SLT. Refer to  COMPONENTS [10/2016 - ] 

  8. CLEAR DTC AND PERFORM STALL SPEED TEST 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    2. Perform the stall speed test.

      Refer to MECHANICAL SYSTEM TESTS [10/2017 - 09/2020]

      Result

      Result Proceed to
      Stall speed test can be performed A
      Stall speed test cannot be performed B

    Result: 

    A 

    See step  4

    Result: 

    B 

    See step  7

  9. CLEAR DTC AND PERFORM STALL SPEED TEST 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    2. Perform the stall speed test.

      Refer to MECHANICAL SYSTEM TESTS [10/2017 - 09/2020]

      Result

      Result Proceed to
      Stall speed test can be performed A
      Stall speed test cannot be performed B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  10

  10. CLEAR DTC AND PERFORM RUNNING TEST 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

    2. Start the engine, drive the vehicle and perform the inspection.
    3. Enter the following menus: Powertrain / Transmission / Trouble Codes.
    4. Read the DTCs using the Techstream.

      Result

      Result Proceed to
      Only DTCs P0795-7F and P2713-7F are output A
      Only DTCs P0795-7F, P2713-7F and P2807-7F are output B

    Result: 

    A 

    See step  4

    Result: 

    B 

    See step  11

  11. INSPECT SHIFT SOLENOID VALVE SL4 
    1. Remove the shift solenoid valve SL4.
      GTY635585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Solenoid Valve SL4

      Refer to DISASSEMBLY [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal 1 of the shift solenoid valve SL4 - terminal 2 20°C (68°F) 5.0 to 5.6 Ω
    3. Connect a positive (+) lead from the battery with a 21 W bulb to terminal 1 and a negative (-) lead to terminal 2 of the shift solenoid valve connector. Check that the valve moves and makes an operating sound.

      OK

      Valve moves and makes an operating sound.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  5

    Result: 

    NG 

    REPLACE SHIFT SOLENOID VALVE SL4. Refer to  COMPONENTS [10/2016 - ] 

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