Read Diagnostic Trouble Code (DTC)

Prepare the Subaru Select Monitor kit. Refer to PREPARATION TOOL , General Description.
Prepare PC with Subaru Select Monitor installed.
Connect the USB cable between SDI (Subaru Diagnosis Interface) and USB port on the personal computer (dedicated port for the Subaru Select Monitor).
NOTE: The dedicated port for the Subaru Select Monitor means the USB port which was used to install the Subaru Select Monitor.
Connect the diagnosis cable to SDI.
Connect SDI to data link connector located in the lower portion of the instrument panel (on the driver's side).

Fig 1: Connecting SDI To Data Link Connector Located In Lower Portion Of Instrument Panel
Courtesy of SUBARU OF AMERICA, INC.

CAUTION: Do not connect scan tools other than the Subaru Select Monitor.
Start the PC.
Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
On the «Main Menu» display, select the {Each System Check}.
On the «System Selection Menu» display, select the {Transmission Control System}.
After transmission type information pops up, select [OK].
On the «Transmission Diagnosis» display, select the {Diagnostic Code(s) Display}.
On the «Diagnostic Code(s) Display» display, select the {Temporary Diagnostic Code(s)} or {Memorized Diagnostic Code(s)}.
NOTE:
- For detailed operation procedure, refer to the "Subaru Select Monitor ".
- For details concerning DTC, refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .