Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Emission control (aux. Emission control devices)(h4do) / Front catalytic converter / Inspection

1. Check the connections and welded parts for exhaust leaks.

2. Make sure there are no holes or rusting.

Removal

The front catalytic converter is integrated into the front exhaust pipe; therefore, refer to “Front Exhaust Pipe” for the removal procedure. Front Exhaust Pipe > REMOVAL ...

Installation

The front catalytic converter is integrated into the front exhaust pipe; therefore, refer to “Front Exhaust Pipe” for the installation procedure. Front Exhaust Pipe > INSTALLATION ...

Other materials:

Inspection mode operation
It is possible to diagnose the DTC by performing the indicated inspection mode. After correcting the DTC, perform a necessary inspection mode and make sure that the function is resumed correctly and the DTC is recorded.1. INSPECTION MODE 1DTCItemNoteU0073CAN FAILURE, BUS ‘OFF’ DETECTION ...