Hyundai Ioniq (AE): Hybrid Control System / Hybrid Control System
- Description and operation
- Specifications
- Components and components location
- HPCU (Hybrid Power Control Unit). Description and operation
- HPCU (Hybrid Power Control Unit). Components and components location
- HPCU (Hybrid Power Control Unit). Repair procedures
- HCU (Hybrid Control Unit). Schematic diagrams
- HCU (Hybrid Control Unit). Repair procedures
- Brake Switch. Description and operation
- Brake Switch. Specifications
- Brake Switch. Schematic diagrams
- Brake Switch. Repair procedures
- DC Fuse. Specifications
- DC Fuse. Components and components location
- DC Fuse. Schematic diagrams
- DC Fuse. Repair procedures
Basic TroubleshootingBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low.
DescriptionThe HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: High voltage shut-off procedures
High Voltage Shut-off Procedures • 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.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Rear Corner Safety ON/OFF Switch. Repair procedures
Inspection1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")3.Remove the lower crash pad switch assembly (A) after disengaging the mounting clip.4.Remove the rheostat switch connector (A).
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