The charging system includes a battery, an alternator with a built-in regulator, and the charging indicator light and wire.

The Alternator has built-in diodes, each rectifying AC current to DC current.

Therefore, DC current appears at alternator "B" terminal.

In addition, the charging voltage of this alternator is regulated by the battery voltage detection system.

The main components of the alternator are the rotor, stator, rectifier, capacitor brushes, bearings and V-ribbed belt pulley. The brush holder contains a built-in electronic voltage regulator.

1. Brush

2. Dirve belt pulley

3. Rotor

4. Stator

5. Rectifier

Alternator Management System

Alternator management system controls the charging voltage set point in order to improve fuel economy, manage alternator load under various operating conditions, keep the battery charged, and protect the battery from over-charging. ECM controls generating voltage by duty cycle (charging control, discharging control, normal control) based on the battery conditions and vehicle operating conditions.

The system conducts discharging control when accelerating a vehicle. Vehicle reduces an alternator load and consumes an electric power form a battery.

The system conducts charging control when decelerating a vehicle. Vehicle increases an alternator load and charges a battery.

Charging System

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Repair procedures

On-vehicle Inspection • Check that the battery cables are connected to the correct terminals ...

See also:

Opening the hood
WARNING Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) position for automatic transaxle and to the 1st(First) gear or R(Reverse) for man ...

Rheostat. Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the lower crash pad switch (A) from the side crash pad cover by usin ...

Rear Wheel Speed Sensor. Components and Components Location
Components 1. Rear wheel speed sensor cable 2. Rear wheel speed sensor ...