Charging System Operation

When Engine Is Stopped
When the ignition switch is switched to the "ON" position, electricity flows from the "L" terminal of the generator to the rotor coil (field coil), and at the same time the charging warning light illuminates.

When Engine Is Being Started/Has Started
When the engine is started, charging voltage is applied to the "L" terminal of the generator, with the result that the charging warning light is extinguished.
In addition, because battery voltage is applied to the "S" terminal of the generator, this battery voltage is monitored at the IC voltage regulator, thus switching ON and OFF the current to the rotor coil (field coil) and thereby controlling the output voltage of the generator.
Power is supplied to each load from the "B" terminal of the generator.

NOTE: The generator relay functions as a back-up for the flow of electricity to the rotor coil (field coil) if there is a disconnection or damaged wiring of the charging warning light.

Charging System Warning Light
This warning light illuminates when the ignition key is in "ON" position, and goes off after the engine has started. This indicator comes on when the drive belt breaks or the trouble occurs in the charging system.