Hyundai Ioniq (AE): High Voltage Battery Control System / Pre-Charge Resistor. Description and operation

Description
Pre-Charge Resistor is integrated into the Power Relay Assembly (PRA). It protects the high voltage circuit by limiting the current while the inverter capacitor is being charged.

    Removal1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.(Refer to Body - "Rear Seat Assembly")3.

    Specification Item Specification Resistance (Ω)40 [20°C (68°F)]Rated Current (A)40

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Photo Sensor. Repair procedures

    Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

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