LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 1993 >> Justy Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Ignition Systems >> Power Transistor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Transistor

Power transistor acts as primary current switching device for ignition system. When ECM sends signal to power transistor base, primary current flows through ignition coil.