Inspection Mode BA

DTC	Description & trouble part	Condition	Number of driving cycles on the detecting condition
P058A	BATTERY MONITOR MODULE PERFORMANCE	-	1

Make sure that the battery voltage is 12 V or more.
Using the Subaru Select Monitor, perform the clear memory of [Engine]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
Turn the ignition switch to OFF.
Leave the battery for 5 seconds or more with the battery sensor connector disconnected, and then reconnect the connector.
With the ignition switch OFF, wait for at least 10 minutes.
Turn the ignition switch to ON (engine OFF) and wait for at least 1 minute.
Using the Subaru Select Monitor, read the value in [Alternator control check 3].
NOTE: If the value is 0, it is possible that the self-diagnosis of the battery sensor was not complete due to unstable standby current. Therefore, extend the time the vehicle has been left since ignition switch OFF in step 5 and repeat steps 3 - 7.