Hyundai Ioniq: High Voltage Battery Control System / Main Relay. Description and operation
The Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power circuit between the high voltage battery and inverter by the control signal of BMS ECU.
[PRA Operation Sequence]
Removal1.Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal.2.Remove the safety plug cover (A).3.Unfasten the hook (A) and then remove the safety plug (C) by pulling the lever (B) to the direction of arrow...
Specification
Item
Specification
ContactRated Voltage (V)450Rated Current (A)80CoilOperating Voltage (V)12Resistance (Ω)20...
Other information:
DescriptionIf the Gasoline Engine Control system components (sensors, ECM, injector, etc.) fail, interruption to the fuel supply or failure to supply the proper amount of fuel for various engine operating conditions will result. The following situations may be encountered...
C..
Categories
1. Engine oil filler cap
2. Engine oil dipstick
3. Engine coolant cap
4. Engine coolant reservoir
5. Inverter coolant reservoir
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