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Check Lock-Up Duty Solenoid

  1. 9J1: CHECK OUTPUT SIGNAL EMITTED FROM TCM. 

    Read data of lock-up duty solenoid using Subaru Select Monitor.

    • Lock-up duty solenoid is indicated in "%".

    CHECK: Does the Subaru Select Monitor indicate 5%? 

    1. YES:  Go to step 9J2. 
    2. NO:  Go to step  9J3.
  2. 9J2: CHECK OUTPUT SIGNAL EMITTED FROM TCM. 

    Move select lever to "D" and slowly increase vehicle speed to 75 km/h (47 MPH).

    NOTE: The speed difference between front and rear wheels may light the ABS warning light, but this indicates no malfunction. When AT control diagnosis is finished, perform the ABS memory clearance procedure of on-board diagnostics system. See CLEARING MEMORY-ABS .

    CHECK: Does the Subaru Select Monitor indicate 95%? 

    1. YES:  Go to step transfer duty solenoid. See K: CHECK TRANSFER DUTY SOLENOID  .
    2. NO:  Go to step 9J3. 
  3. 9J3: 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 9J4. 
  4. 9J4: CHECK VEHICLE SPEED SENSOR 1. 
    NOTE: For the diagnostics procedure on vehicle speed sensor 1 circuit, see CHECK VEHICLE SPEED SENSOR 1  .

    CHECK: Is there any trouble in vehicle speed sensor 1 circuit? 

    1. YES:  Repair or replace vehicle speed sensor 1 circuit, see DTC 93: VEHICLE SPEED SENSOR 1 (REAR)  .
    2. NO:  Go to step 9J5. 
  5. 9J5: CHECK VEHICLE SPEED SENSOR 2. 
    NOTE: For the diagnostics procedure on vehicle speed sensor 2 circuit, see CHECK VEHICLE SPEED SENSOR 2  .

    CHECK: Is there any trouble in vehicle speed sensor 2 circuit? 

    1. YES:  Repair or replace vehicle speed sensor 2 circuit, see DTC 33: VEHICLE SPEED SENSOR 2 (FRONT)  .
    2. NO:  Go to step 9J6. 
  6. 9J6: CHECK ENGINE SPEED SIGNAL. 
    NOTE: For the diagnostics 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 9J7. 
  7. 9J7: CHECK INHIBITOR SWITCH. 

    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 transfer duty solenoid, see K: CHECK TRANSFER DUTY SOLENOID  .
    2. NO:  Check inhibitor switch circuit, see T: CHECK INHIBITOR SWITCH  .
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