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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline) >> Miscellaneous Controls >> Pcm Controlled Charging System >> Generator Communication

Generator Communication

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PCM controlled charging system provides improved battery life and improved engine performance. PCM controlled generator regulator voltage set point is determined by PCM and communicated to the regulator by the Generator Communication (GEN COM) circuit. PCM will use a calibratable algorithm to estimate battery temperature, reducing damage to battery by overcharging or undercharging. At Wide Open Throttle (WOT), PCM will momentarily lower the regulator voltage set point, reducing torque load on engine and improving acceleration. PCM has a calibratable time limit on the reduced voltage feature to prevent decreased generator output for an extended WOT period, which may cause battery discharge.

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