Kia Cadenza: Charging System / Alternator Schematic Diagrams

Kia Cadenza YG 2016-2024 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)

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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)

•	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 , 150ASpeed in use1,500 ~ 18,000rpmVoltage regulatorIC Regulator built in typeDefault regulated voltage (V) [COM terminal]14.0 ~ 15.5 (-35°C)14. ...

Alternator Repair procedures

Removal 1. Disconnect the battery negative terminal. 2. Remove the engine cover. 3. Disconnect the alternator connector (A) and cable (B) from the ''B'' terminal. 4. To release the te ...

Other information:

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Kia Cadenza YG 2016-2024 Owners Manual: Turn signals and lane change signals

The Engine Start/Stop button must be on for the turn signals to function. To turn on the turn signals, move the lever up or down (A). The green arrow indicators on the instrument panel indicate which turn signal is operating. They will self-cancel after a turn is completed. If the i ...