RH Side

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
Remove the ignition coil (RH side). Ref. to IGNITION (H4DOTC)>IGNITION COIL>REMOVAL>RH SIDE .
Remove the spark plug.
NOTE:
Magnet type plug wrench is recommended.