Hyundai Ioniq: High Voltage Battery Control System / Safety Plug. Repair procedures
1. | Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal. |
2. | Remove the safety plug cover (A). 
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3. | Unfasten the hook (A) and then remove the safety plug (C) by pulling the lever (B) to the direction of arrow. 
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| Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. |
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1. | Install the Safety Plug in the reverse order of removal. |
DescriptionThe Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor...
Other information:
DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating.
Classification
System
Cooling water used
Mechanical water pump
AEWP
Purpose of use
Note
(role of AEWP)
Engine
Heater
WHRS
While Engine is working(AEWP activated)OOOOnOffCooling engine(main function)-Heating-Exhaust heat recovery and WHRS cooling-OnFast warm -up while cooling or heating is turned onIncreased volume of cooling water circulationRight after engine is turned off(EWP working)XOOOffOnHeatingIn the EV mode, the cooling water is circulated towards the heater...
High Voltage Shut-off Procedures
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Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...
Categories

1. Door lock/unlock button
2. Driver position memory system
3. Side view mirror control switch
4. Central door lock switch
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