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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle System (Tr580) >> Inhibitor Switch >> Inspection
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Inhibitor Switch: Inspection

  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    G13950366Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the air intake boot, and place it aside so that it does not interfere with the work.
    CAUTION: Be careful not to pull out the PCV hose.
    G13950367Courtesy of SUBARU OF AMERICA, INC.
  4. Disconnect the transmission harness connector from the engine wiring harness.
    G13950368Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the ground cord.
    G13950369Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the pitching stopper. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSMISSION MOUNTING SYSTEM>REMOVAL>PITCHING STOPPER .
  7. Remove the transmission case cover (front).
    G13950370Courtesy of SUBARU OF AMERICA, INC.
  8. Move the lock lever in the arrow direction while pressing the lock button (A), and disconnect the connector.
    G13950371Courtesy of SUBARU OF AMERICA, INC.
  9. Set the ST between the TCM and transmission harness. Ref. to TRANSMISSION (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

    Special tool: 

    CHECK BOARD (18460AA040)

  10. Check the inhibitor switch signal circuit.
    1. Check the circuit of each range.
      NOTE: If faulty, check the transmission harness for open circuit or short circuit, or poor contact.
      G13950372Courtesy of SUBARU OF AMERICA, INC.
      Terminal No. Inspection conditions Standard
      38 - 42 P range Less than 1 Ω
      37 - 42 R range
      36 - 42 N range
      35 - 42 D range
    2. Check continuity when the lever is moved 1.5° in the front-rear direction from each range. If there is continuity in only one direction or in other points, adjust the inhibitor switch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>INHIBITOR SWITCH>ADJUSTMENT .
    G13950373Courtesy of SUBARU OF AMERICA, INC.
    G13950374Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Inspection conditions Standard
    38 - 42 P range Less than 1 Ω
    37 - 42 R range
    36 - 42 N range
    35 - 42 D range
  11. Check the neutral switch signal circuit and back-up light circuit.
    G13950375Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Range Standard
    1 - 5 P range and N range Less than 1 Ω
    22 - 26 Except for R range ∞ Ω
    22 - 26 R range Less than 1 Ω
  12. After inspection, install the related parts in the reverse order of removal.
    NOTE:
    • When connecting the connector to the TCM, move the lock lever and confirm that a clicking sound is heard.
    • Insert the transmission case cover (front) between transmission case cover (rear) and transmission body.
    • When inserting, be careful that the insulator inside transmission case cover is not turned over.
    G13950376Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    7 N.m (0.7 kgf-m, 5.2 ft-lb)

    G13950377Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    32.3 N.m (3.3 kgf-m, 23.8 ft-lb)

    G13950378Courtesy of SUBARU OF AMERICA, INC.
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