Hyundai Ioniq (AE): AHB(Active Hydraulic Boost) System / Hydraulic Power Unit. Components and components location

Components

   
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PSU (Presser Source Unit) must not be disassembled.
1. Pressure Source Unit (PSU)
2. Pressure Source Unit (PSU) connector
3. Motor
4. Filler adapter
5. Bracket
6. Accumulator

    Removal 1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Disconnector TCM connector (A).3.Disconnector TCM connector (B).4.Loosen the bolt & nut (A) then remove the ECM, TCM with bracket (B).

    Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the wiring bracket.3.Remove the brake fluid from the reservoir with a syringe.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Heater Core. Repair procedures

    Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Loosen the mounting screws and remove the driver's temperature control actuator (A).4.Remove the heater core cover (A) after loosening the mounting screws.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: emperature Control Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF.2.Disconnect the temperature control actuator connector.3.Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7.Verify that the temperature control actuator operates to the warm position when connected in reverse.

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