Hyundai Kona Quiz
Engine Control System/Fuel System

DC/DC Converter Description and Operation

In this manual: Engine Control System/Fuel System
General Information — 17Engine Mechanical System — 85Engine Electrical System — 50Emission Control System — 26Engine Control System/Fuel System — 152DCT (Dual Clutch Transmission) System — 50Four-Wheel Drive (4WD) System — 21Propeller Shaft and Axle (2WD-FF) — 28Suspension System (without ECS) — 32Steering — 21Restraints — 38Brake System — 64Body (Interior and Exterior) — 205Body Electrical System — 1Heating, Ventilation, and Air Conditioning — 66
~1min read

Description

Due to the much more frequent engine starts, the resulting electrical load often causes voltage dips in the vehicle network. To stabilize the power supply for some voltage-sensitive electrical components, a DC/DC converter is used in combination with the ISG function. The DC/DC converter supplies a constant voltage to the relay, which also remains constant during the starting operation. The DC/DC converter is installed behind the glove box. Via the measuring wires for the input voltage and the starter relay, the electronics decide whether power is supplied to the output via bypass or via the DC/DC converter. In bypass mode, the vehicle system voltage is not supplied through the DC/DC converter but is transmitted directly to the outputs. In booster phase, the vehicle voltage is adapted.

Operation

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