AUTOMATIC TRANSAXLE SYSTEM, Diagnostic DTC:P2759

DTC Code DTC Name
P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU)

DESCRIPTION

Refer to DTC P2757.

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU)

1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other


  1. The vehicle is being driven.

  2. An open or short in the shift solenoid valve SLU circuit is detected.

  3. 1 second

  4. 1-trip detection logic

  • Open or short in shift solenoid valve SLU circuit

  • Shift solenoid valve SLU

  • Transmission wire

  • TCM

 Comes on DTC stored

MONITOR DESCRIPTION

When an open or short in the shift solenoid valve SLU circuit is detected, the TCM determines there is a malfunction, illuminates the MIL and stores this DTC.

WIRING DIAGRAM

A01IGTCE05
*a Shift Solenoid Valve SLU
*b Transmission Wire
*c Transmission Valve Body Assembly
*d Automatic Transaxle Assembly

CAUTION / NOTICE / HINT

Note

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

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Tech Tips

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


  1. Perform the Lock-up Function inspection in Road Test.

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  2. Check for DTCs again.

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PROCEDURE


  1. INSPECT TRANSMISSION WIRE (SLU)


    1. A01IIKHC16
      *a

      Component without harness connected

      (Transmission Wire)

      Remove the TCM.

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    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 and other terminals Always 10 kΩ or higher
      5 (SLU-) - Body ground and other terminals Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TCM Click here

    NG

  2. INSPECT SHIFT SOLENOID VALVE SLU


    1. B006L78C02
      *1 Shift Solenoid Valve SLU

      Remove the shift solenoid valve SLU.

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    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

    3. Connect a positive (+) lead from the battery with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 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

    OK

    REPLACE TRANSMISSION WIRE Click here

    NG

    REPLACE SHIFT SOLENOID VALVE SLU Click here