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: 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 (
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Blower Unit. Repair procedures
Replacement When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.
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