Kia Niro: High Voltage Battery Control System / Pre-Charge Relay Specifications

Main Relay (+) / (-) Repair procedures

Removal    • Be sure to read and follow the “General Safety Information and Caution” ...

Pre-Charge Relay Description and operation

Description Built into the Power Relay Assembly (PRA), the Pre-Charge Relay starts to charge the capacitor of the inverter soon after ignition "ON", then it goes out when the ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Description and operation
Description The Hybrid Power Control Unit (HPCU) uses various semiconductors that are supplied with high voltage, hence generating more heat than engine combustion devices. Overheating can decrease the efficiency of control devices, restrict proper operation and melt semiconductor ...

Kia Niro 2017 (DE HEV) Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection 1. Switch "OFF" the ignition. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between positive (+) and negative (-) terminals of the evaporator temperature se ...