Alternator & Regulator: Description

Nippondenso 3-phase alternators use 3 positive and 3 negative diodes to rectify current. Charging system voltage is controlled by an internal Integrated Circuit (IC) voltage regulator. See Fig 1, Fig 2, Fig 3 or Fig 4 .

Fig 1: Charging Circuit Schematic (ES300)

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Fig 2: Charging Circuit Schematic (GS300)

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Fig 3: Charging Circuit Schematic (LS400)

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Fig 4: Charging Circuit Schematic (SC300 & SC400)

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