Alternator - NIPPONDENSO: Description

NOTE: Some Civic models are equipped with Mitsubishi alternators and regulators. See ALTERNATOR - MITSUBISHI article.

The Nippondenso alternator uses 4 positive and 4 negative diodes to rectify current. Charging system voltage is controlled by a voltage regulator which is part of the alternator. See Fig 2.

Fig 1: Testing Alternator Output on Harness Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Charging System Wiring Schematic (Typical)

Courtesy of AMERICAN HONDA MOTOR CO., INC.