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 Location Of Data Link Connector

   Courtesy 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 operation manual of OBD-II general scan tool.)