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Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (H4DO) >> Inspection Mode >> Procedure >> General Scan Tool
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General Scan Tool

  1. Check that no DTC remains after clearing memory. Ref. to CLEAR MEMORY MODE .
  2. Warm up the engine.
  3. Install the delivery (test) mode fuse (A).
    CAUTION: Do not use any fuses that are installed on the vehicle.
    Fig 1: Delivery (Test) Mode Fuse
    G08315886Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the general scan tool to data link connector located in the lower portion of the instrument panel (on the driver's side).
    CAUTION: Do not connect the scan tools except for Subaru Select Monitor and general scan tool.
    Fig 2: Locating Data Link Connector
    G08315883Courtesy of SUBARU OF AMERICA, INC.
  5. Start the engine.
    NOTE:
    • Ensure the selector lever is placed in the "P" range before starting. (CVT model)
    • Depress the clutch pedal when starting engine. (MT model)
  6. Turn the neutral position switch to ON using select lever or gear shift lever.
  7. Depress the brake pedal to turn the brake switch ON. (CVT model)
  8. Keep the engine speed in 2, 500 - 3, 000 rpm range for 40 seconds.
  9. Place the select lever or gear shift lever in "D" position (CVT model) or "1st gear" (MT model) and drive the vehicle at 5 to 10 km/h (3 to 6 MPH).
    NOTE:
    • For AWD model, release the parking brake.
    • The rotating speed difference between front and rear wheels may illuminate the ABS warning light, but this does not indicate a malfunction. When engine control system diagnosis is finished, perform the VDC memory clearance procedure of self-diagnosis function. Ref. to Clear Memory Mode .
  10. Using the general scan tool, check for DTC and record the result(s).
NOTE:
  • For detailed operation procedures, refer to "Application help".
  • For details concerning DTC, refer to "List of Diagnostic Trouble Code (DTC)". Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .