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Home >> Honda >> 1989 >> Civic Base, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Alternator (FR) Signal (Except Carb.)

Alternator (FR) Signal (Except Carb.)

This signals the ECU when the alternator is charging, so that ECU will compensate for the low battery voltage condition that can cause injector lag (duration/injector opening).