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Hyundai Equus: Alternator Schematic Diagrams - Charging System - Engine Electrical System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Alternator Schematic Diagrams

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Engine Electrical System / Charging System / Alternator Schematic Diagrams

Circuit Diagram

   
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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)
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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)
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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:

    VSM OFF Switch Repair procedures
    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the airbag module. (Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring") 3. Remove the TORX screws to rem ...

    Rear Differential Carrier Components and Components Location
    Component 1. Rear differential carrier assembly Component 1. Pinion lock nut2. Companion flange3. Pinion oil seal4. Pinion front bearing5. Differential case6. Side oil seal7. Drain plug8. ...

    Checking the amount of air conditioner refrigerant and compressor lubricant
    When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative impact on the air conditioning system. Therefore, if abnormal operation is ...

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