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Hyundai Equus: Alternator Schematic Diagrams - Charging System - Engine Electrical System - Hyundai Equus VI 2009-2019 Service ManualHyundai Equus: Alternator Schematic Diagrams

Circuit Diagram

   
Х
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)
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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)
Х
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)
Х
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:

    Illuminated Engine Start/Stop Button
    Whenever the front door is opened, the Engine Start/Stop Button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed. ...

    Special Service Tools
    Special Service Tools Tool (Number and Name)IllustrationUse09561-11001Steering wheel pullerRemoval of steering wheel ...

    Air conditioning refrigerant
    Check the air conditioning lines and connections for leakage and damage. ...

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