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: Troubleshooting

Signal WaveformThis example shows a typical Crankshaft Position Sensor (CKPS) and Camshaft Position Sensor (CMPS) waveform at idle. The PCM controls the injection and ignition timing by using these signals. Generally CKPS signal is used to detect the piston's position and CMPS signal is used to detect the Top Dead Center of each cylinder...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Fuel pressure test

Fuel Pressure Test1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur...