air-mass meter measures the air, which indicates engine load, and converts that measurement into an electrical signal to the control unit (ECU).
(air-mass meter; measures; the air, which indicates engine load) (the air; indicates; engine load) (air-mass meter; converts; that measurement; into an electrical signal)
air-mass meter the air air-mass meter
measures indicates converts
the air, which indicates engine load
engine load
that measurement into an electrical signal