Hyundai Ioniq: Heater Hose Pump / Description and operation
Hyundai Ioniq (AE) 2017-2024 Service Manual / Heating, Ventilation and Air Conditioning / Heater Hose Pump / Description and operation
| Description |
In 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.
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Classification
|
System
|
Cooling water used
|
Mechanical water pump
|
AEWP
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Purpose of use
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Note
(role of AEWP) | ||
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Engine
|
Heater
|
WHRS
| ||||||
| While Engine is working (AEWP activated) |
| O | O | O | On | Off | Cooling engine (main function) | - |
| Heating | - | |||||||
| Exhaust heat recovery and WHRS cooling | - | |||||||
| On | Fast warm -up while cooling or heating is turned on | Increased volume of cooling water circulation | ||||||
| Right after engine is turned off (EWP working) |
| X | O | O | Off | On | Heating | In the EV mode, the cooling water is circulated towards the heater. |
| Cooling the exhaust heat recovery system | During key off, the cooling is supplied for the exhaust heat recovery system | |||||||
Repair procedures
Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B)...
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Driver Position Memory System
The Driver Position Memory System is provided to store and recall the following memory settings with a simple button operation.
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