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Hyundai Equus: Alternator Schematic Diagrams - Charging System - Engine Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Alternator Schematic Diagrams

Circuit Diagram

   
COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or higher, low voltage: 2V or lower)
FR signal - The transistor activation signal inside the alternator monitors the voltage generated by the alternator to control the excitation current before it sends the FR signal to the ECM. (At certain RPM/electric loads, the FR duty can remain static. However, more often, the RPM, electric load, target voltage, etc. are always changing in the vehicle, so the FR must also change constantly)
L signal - Turns on the battery warning lamp on the dashboard when the battery charging system malfunctions. (Conditions for turning on the lamp - overcharge, over discharge, a field coil blown inside the alternator)
B+ terminal - The output voltage from the generator travels to the battery via the B+ terminal.
    Alternator Specifications
    Specification ItemSpecificationRated voltage13.5V , 180ASpeed in use1,000 ~ 18,000rpmVoltage regulatorIC Regulator built in type Regulator reform mode voltage (V) [COM terminal]13.85 ~ 14.85 (-35 ...

    Alternator Repair procedures
    Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the engine cover. 3. Remove the air cleaner assembly. (1) Remove the air duct (A). (2) D ...

    See also:

    Injector Description and Operation
    Description Based on information from various sensors, the ECM can calculate the fuel amount to be injected. The fuel injector is a solenoid-operated valve and the fuel injection amount is cont ...

    Rear LCD monitor Repair procedures
    Removal     Take care not to scratch the crash pad and related parts. 1. Disconnect the negative (-) battery terminal. 2. Remove the LCD monitor bezel (A) from the front s ...

    Blower Unit Repair procedures
    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Separate the blower unit (A) from the heater un ...

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