Hyundai Venue: Charging System / Description and operation

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

The Alternator has eight 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 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.

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 Inpection    • First of all, check for DTCs...

Other information:

Hyundai Venue (QX) (2020-2025) Service Manual: Camshaft Position Sensor (CMPS). Description and operation

Description Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element. It is related with Crankshaft Position Sensor (CKPS) and detects the piston position of each cylinder which the CKPS can't detect...

Hyundai Venue (QX) (2020-2025) Service Manual: Repair procedures

Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the brake fluid level sensor connector (A). 3. Remove the brake fluid from the master cylinder reservoir with a syringe...