Inspection Mode J

DTC	Item	Condition	Number of driving cycles on the detecting condition
P2610	ECM/PCM ENGINE OFF TIMER PERFORMANCE	-	2

Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
Idle the engine for 15 minutes or more.
Turn the ignition switch to OFF.
After at least 10 hours passed from the start of step 3), read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .