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14-18
Basic control logic according to the driving conditions
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Engine ECU determines the engine loads according to the fuel injection volume and engine speed.
It charges the battery by increasing the generating voltage during deceleration. To improve the fuel
economy by reducing the alternator load during acceleration, engine ECU decreases the
generating voltage and consumes the battery voltage.
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Operation of charge warning lamp
ECU checks the generating voltage from alternator and circuit conditions and sends the warning
lamp ON signal to meter cluster through CAN line.
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