ENGINE (DIAGNOSTICS)(H4DOTC DIESEL) > Read Diagnostic Trouble Code (DTC)
1. SUBARU SELECT MONITOR (NORMAL MODE)
1. On the «Main Menu» display screen, select the {Each System Check}.
2. On the «System Selection Menu» display screen, select the {Engine Control System}.
3. Click the [OK] button after the information of engine type has been displayed.
4. On the «Engine Diagnosis» display screen, select the {Diagnostic Code(s) Display}.
5. On the «Diagnostic Code(s) Display» screen, select the {Temporary Diagnostic Code(s)} or {Memorized Diagnostic Code(s)}.
NOTE:
2. SUBARU SELECT MONITOR (OBD MODE)
1. On the «Main Menu» display screen, select the {Each System Check}.
2. On the «System Selection Menu» display screen, select the {Engine Control System}.
3. Click the [OK] button after the information of engine type has been displayed.
4. On the «Engine Diagnosis» display screen, select the {OBD System}.
5. On the «OBD Menu» display screen, select the {Diagnostic Code(s) Display}.
6. Make sure DTC is shown on the screen.
NOTE:
Refer to data denoting emission-related powertrain DTC.
For details concerning DTC, refer to “List of Diagnostic Trouble Code (DTC)”. 
NOTE:
Refer to general scan tool manufacturer’s instruction manual to access powertrain DTC (MODE $03).