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Inhibitor Switch: Inspection

WARNING: This page is about a different variant/trim than selected.

When the driving condition or starter motor operation is improper, first check the shift linkage for improper operation. If the shift linkage is functioning properly, check the inhibitor switch.

  1. Remove the collector cover. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>COLLECTOR COVER>REMOVAL .
  2. Remove the intercooler. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTERCOOLER>REMOVAL .
  3. Disconnect the inhibitor harness connector.
    G10268137Courtesy of SUBARU OF AMERICA, INC.
  4. Check for continuity in inhibitor switch circuit by shifting the select lever in "P", "R", "N" and "D" respectively.
    NOTE:
    • Check that there is no continuity in the starter circuit when the select lever is in the "R" and "D" ranges.
    • When inhibitor switch is normal, check there is no poor contact in vehicle side connector and no open circuit in harness.
    Signal sent to TCM Range Terminal No.
    P 4 - 3
    R 4 - 2
    N 4 - 1
    D 4 - 8
    Starter circuit P/N 12 - 11
    Back-up light circuit R 10 - 9
    G13260905Courtesy of SUBARU OF AMERICA, INC.
  5. Check that there is continuity at equal points when the select lever is moved 1.5° in both directions from the "N" range.

    If there is continuity in only one direction or in other points, adjust the inhibitor switch. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>INHIBITOR SWITCH>ADJUSTMENT .

    G13260906Courtesy of SUBARU OF AMERICA, INC.
  6. Repeat the above inspection in other gear ranges. If there is fault, adjust the inhibitor switch and select cable. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>INHIBITOR SWITCH>ADJUSTMENT . Refer to CONTROL SYSTEMS>SELECT CABLE>ADJUSTMENT .