Hyundai Ioniq: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Repair procedures

Inspection1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose.3. Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt...

Positive Crankcase Ventilation (PCV) Valve. Repair procedures

Removal1. Disconnect the vapor hose (A).2. Remove the PCV valve (B).Inspection1.Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Pre Charge Relay. Description and operation

DescriptionThe Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power circuit between the high voltage battery and inverter by the control signal of BMS ECU...

Hyundai Ioniq (AE) 2017-2025 Service Manual: DCT Control Module (TCM). Description and operation

Description• Function The Transmission Control Module (TCM) is like the brain for the Dual Clutch Transmission (DCT). It receives information from various sensors for a wide range of transmission controls to provide an optimal driving environment for the driver...