High Voltage Shut-off Procedures |
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High voltage components: High Voltage Battery Pack Assembly, Power Relay Assembly (PRA), BMS ECU, Hybrid Power Control Unit (HPCU), Hybrid Drive Motor, HSG, Electric A/C Compressor, Low DC/DC Converter (LDC), Power Cable, Electric Compressor etc. |
1. |
Switch "OFF" the ignition and disconnect the negative (-) terminal of the auxiliary 12V battery. |
2. |
Remove the safety plug cover (A) under the rear seat..
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3. |
Unfasten the hook (A) in the direction of arrow.
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4. |
Unfasten the lever (A) in the direction of arrow.
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5. |
Remove the safety plug (A).
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6. |
Wait at least 5 minutes or until the capacitor in the high voltage system is fully discharged. |
7. |
Measure the voltage between the inverter terminals to check that the capacitor in the inverter is discharged completely.
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Kia Niro 2017 (DE HEV) Service Manual: Hybrid Control Unit (HCU) Schematic diagrams
HCU Terminal And Input/Output
Signal
Terminal Function
Connector [C133-S]
Pin No.
Description
Connected to
1
HCU ground
Chassis ground
2
HCU ground
...
Kia Niro 2017 (DE HEV) Service Manual: Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
3.
Remove the steering column upper and lower shrouds after loosening the ...