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Hyundai Equus Manuals

Hyundai Equus: Alternator Schematic Diagrams - Charging System - Engine Electrical System - Hyundai Equus VI 2009-2023 Service ManualHyundai Equus: Alternator Schematic Diagrams

Second generation VI (2009–2023) / Hyundai Equus VI 2009-2023 Service Manual / Engine Electrical System / Charging System / 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:

    Air bag
    (1) Driver’s front air bag (2) Passenger’s front air bag (3) Side impact air bag (4) Curtain air bag (5) Driver’s knee air bag WARNING Even in vehicles with air bags, you and your passengers m ...

    Height Sensor Repair procedures
    Removal [Front Height Sensor]     • Avoid suffering excessive impact. • Do not entering the water into pin inside. • Take care not to be damaged height sensor witc ...

    Recommended cold tire inflation pressures
    All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than one mile (1.6 km ...

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