Rocker arm oil pressure switch A (bank 1), switch B (bank 1), switch A (bank 2)

Each rocker arm oil pressure switch is attached each rocker arm oil control valve. The switch monitors the hydraulic pressure condition, and the statuses of the rocker arm oil control solenoid valve and rocker arm oil control valve. Rocker arm oil pressure switch A (bank 1) and rocker arm oil pressure switch A (bank 2) are normally closed, rocker arm oil pressure switch B (bank 1) is normally open.