Sentra Wagon FWD L4-1597cc 1.6L SOHC (E16i) (1988)
Power Transistor: Description and Operation
The ignition signal from the E.C.U. is amplified by the power transistor, which turns the ignition coil primary circuit on and off, inducing the
proper high voltage in the secondary circuit. The ignition coil is a small, molded type.