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Home >> Honda >> 2006 >> Civic Si >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Emissions System (K20Z3 Engine) >> System Description >> PGM-FI System >> Alternator Control

Alternator Control

The alternator signals the ECM during charging. The ECM then controls the voltage generated at the alternator according to the electrical load determined by the electrical load detector (ELD) and the driving mode. This reduces engine load to improve fuel economy.

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