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

Hyundai Ioniq (AE) 2017-2025 Service Manual / Brake System / AHB(Active Hydraulic Boost) System / Brake Actuation Unit. Components and components location

Components

•	IBAU (Intergrated Brake Actuation Unit) must not be disassembled.

1. Intergrated Brake Actuation Unit (IBAU) ECU
2. Intergrated Brake Actuation Unit (IBAU) connector
3. Reservoir

4. Intergrated Brake Actuation Unit (IBAU)
5. Pedal simulator

Repair procedures

AHB Brake System Bleeding ProcedureAir Bleeding Tool Installation Procedure • To prevent the brake fluid reservoir tank from beingdamaged and ensure the safety of worker, set thepressure of the gauge to the standard value beforeinstalling the SST...

Brake Actuation Unit. Repair procedures

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)...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Schematic diagrams

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Hyundai Ioniq (AE) 2017-2025 Service Manual: Ambient Temperature Sensor. Repair procedures

Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (kΩ) -30 (-22)480...