2005 Subaru Forester X, AutomaticFACTORY OEM SERVICE PROCEDURE

How To Use OBD-II General Scan Tool

  1. Prepare a general scan tool (OBD-II general scan tool) required by SAE J1978.
  2. Open the cover and connect the OBD-II general scan tool to data link connector located in the lower portion of instrument panel (on the driver's side).
    Fig 1: Identifying OBD-II General Scan Tool To Data Link Connector
    G03806002Courtesy of SUBARU OF AMERICA, INC.
  3. Using the OBD-II general scan tool, call up DTC and freeze frame data.

    OBD-II general scan tool functions consist of:

    1. MODE $01: Current powertrain diagnostic data
    2. MODE $02: Powertrain freeze frame data
    3. MODE $03: Emission-related powertrain DTC
    4. MODE $04: Clear/Reset emission-related diagnostic information
    5. MODE $06: Request on-board monitoring test results for non-continuously monitored systems
    6. MODE $07: Request on-board monitoring test results for continuously monitored systems
    7. MODE $09: Request vehicle information

Read out the data according to repair procedures. (For detailed operation procedures, refer to the OBD-II General Scan Tool Operation Manual.)

NOTE: For details concerning DTC, < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.