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Hyundai Equus: Alternator Schematic Diagrams - Charging System - Engine Electrical System - Hyundai Equus VI 2009-2021 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)
Х
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:

    Repair procedures
    Inspection Relex Power Seat Module (RPSM) For Passenger & Rear Glossary - RPSM : Relax Power Seat Module - Combined RELAX SW : Combined RELAX SWITCH - Combined WALK IN SW : Combin ...

    Memory Power Seat Switch Repair procedures
    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the door trim (A) after loosening mounting screws. (Refer to Body - "Front Door Trim") 3. Remove the memory power seat c ...

    This device complies with Part 15 of the FCC rules.
    Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may c ...

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