LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 1996 >> Prelude VTEC >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 2.2L >> Computerized Engine Controls >> Input Devices >> Alternator (FR) Signal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Alternator (FR) Signal

This signals PCM when alternator field circuit is energized. PCM compensates for changes in idle speed and low battery voltage which can cause erratic injector pulse width.