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Check Line Pressure Duty Solenoid

  1. 9I1: CHECK OUTPUT SIGNAL EMITTED FROM TCM. 
    1. Warm-up the transmission until ATF temperature is above 80°C (176°F).
      NOTE: If ambient temperature is below 0°C (32°F), drive the vehicle until the ATF reaches its operating temperature.
    2. Stop the engine and turn ignition switch to ON (engine OFF).
    3. Move select lever to "N".
    4. Read data of line pressure duty solenoid using Subaru Select Monitor.
      • Line pressure duty solenoid is indicated in "%".

    CHECK: Does the Subaru Select Monitor indicate 100% when the accelerator pedal is completely released? 

    1. YES:  Go to step 9I2. 
    2. NO:  Go to step  9I4.
  2. 9I2: CHECK OUTPUT SIGNAL EMITTED FROM TCM. 

    CHECK: Does the Subaru Select Monitor indicate between 10 and 20% when the accelerator pedal is completely depressed? 

    1. YES:  Go to step 9I3. 
    2. NO:  Go to step  9I4.
  3. 9I3: CHECK OUTPUT SIGNAL EMITTED FROM TCM. 

    CHECK: Does the Subaru Select Monitor change smoothly when the accelerator pedal is fully depressed and then fully released? 

    1. YES:  Go to step lock-up duty solenoid, see CHECK LOCK-UP DUTY SOLENOID 
    2. NO:  Go to step 9I4. 
  4. 9I4: CHECK THROTTLE POSITION SENSOR. 
    NOTE: For the diagnostics procedure on throttle position sensor circuit, see CHECK THROTTLE POSITION SENSOR  .

    CHECK: Is there any trouble in throttle position sensor circuit? 

    1. YES:  Repair or replace throttle position sensor circuit, see DTC 31: THROTTLE POSITION SENSOR  .
    2. NO:  Go to step 9I5. 
  5. 9I5: CHECK ENGINE SPEED SIGNAL. 
    NOTE: For the diagnostic procedure on engine speed signal circuit, see CHECK ENGINE SPEED SIGNAL  .

    CHECK: Is there any trouble in engine speed signal circuit? 

    1. YES:  Repair or replace engine speed signal circuit, see DTC 11: ENGINE SPEED SIGNAL  .
    2. NO:  Go to step 9I6. 
  6. 9I6: CHECK ATF TEMPERATURE SENSOR. 
    NOTE: For the diagnostics procedure on ATF temperature sensor circuit, see F: CHECK ATF TEMPERATURE SENSOR  .

    CHECK: Is there any trouble in ATF temperature sensor circuit? 

    1. YES:  Repair or replace ATF temperature sensor circuit, see DTC 27: ATF TEMPERATURE SENSOR  .
    2. NO:  Go to step 9I7. 
  7. 9I7: CHECK INHIBITOR SWITCH. 
    1. Turn ignition switch and Subaru Select Monitor to ON.
    2. Read data of range switch using Subaru Select Monitor.
      • Range switch is indicated in ON <=> OFF.

    CHECK: When each range is selected, does LED of the range switch on Subaru Select Monitor light up? 

    1. YES:  Go to step LOCK-UP DUTY SOLENOID. See CHECK LOCK-UP DUTY SOLENOID  .
    2. NO:  Check inhibitor switch circuit, see CHECK INHIBITOR SWITCH  .
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