AUTOMATIC TRANSAXLE SYSTEM, Diagnostic DTC:P075015

DTC Code DTC Name
P075015 Shift Solenoid "A" Circuit Short to Battery or Open

DESCRIPTION

Changing gears is performed by the ECM turning the shift solenoid valves SL1, SL2, SL3, SL4, SL5, S1 and S2 on and off.

If an open or short occurs in any of the shift solenoid valve circuits, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be driven. If all of the shift solenoid valves are malfunctioning, only the mechanical fluid pressure circuit will function and some manual operation will be possible. If an open or short occurs in a shift solenoid valve circuit, the ECM cuts power to the malfunctioning shift solenoid valve.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P075015 Shift Solenoid "A" Circuit Short to Battery or Open

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


  1. Shift solenoid valve S1 is operated

  2. Shift solenoid valve S1 circuit is short to +B or open

  3. Malfunction status occurs 2 times per trip

  4. 1-trip detection logic

  • Shift solenoid valve S1

  • Transmission wire

  • Harness and connector

  • ECM

 Comes on DTC stored

SAE Code:

P0974

MONITOR DESCRIPTION

This DTC indicates an open or short to +B in the shift solenoid valve S1 circuit. When there is an open or short in any shift solenoid valve circuit, the ECM detects the problem, illuminates the MIL and stores a DTC.

When the shift solenoid valve S1 is off, if its resistance is 100 kΩ or more, the ECM determines there is an open or short to +B in the shift solenoid valve S1 circuit.

WIRING DIAGRAM

Refer to DTC P075011.

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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 D Position Shift Test inspection in Road Test.

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  2. Check for DTCs again.

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PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE (SHIFT SOLENOID VALVE S1) - ECM)


    1. Disconnect the D2 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D2-62 (S1) - Body ground 20°C (68°F) 11 to 15 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Click here

    OK

  2. REPLACE ECM


    1. Replace the ECM.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM A/T CODE REGISTRATION Click here

  3. CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)


    1. Disconnect the D56 transmission wire connector.

    2. Disconnect the D2 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D56-18 (SR) - D2-62 (S1) Always Below 1 Ω
      D56-18 (SR) or D2-62 (S1) - Other terminals Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - ECM)

    OK

  4. INSPECT SHIFT SOLENOID VALVE S1


    1. A01VWNRC01
      *1 Shift Solenoid Valve S1

      Remove the shift solenoid valve S1.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Shift solenoid valve S1 connector terminal - Shift solenoid valve S1 body 20°C (68°F) 11 to 15 Ω

    3. Connect a positive (+) lead from the battery to the terminal of the solenoid valve connector, and a negative (-) lead to the solenoid body. Check that the valve moves and makes an operating sound.

      OK
      Valve moves and makes an operating sound.
      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE TRANSMISSION WIRE Click here

    NG

    REPLACE SHIFT SOLENOID VALVE S1 Click here