Kia Niro: Maintenance / High voltage shut-off procedures

Kia Niro 2017 (DE HEV) Service Manual / Maintenance / 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.

•	Be sure to read and follow the “High Voltage Shut-off Procedures” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

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.	Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal.

2.	Remove the safety plug cover (A) under the rear seat..

3.	Unfasten the hook (A) to the direction of arrow.

4.	Unfasten the lever (A) to the direction of arrow.

5.	Remove the safety plug (A).

6.	Wait at least 5 minutes or until the capacitor in the high voltage system is fully discharged.

Measure the voltage between the inverter terminals to check that the capacitor in the inverter is discharged completely.

(1)	Remove air cleaner assembly and air duct. (Refer to Engine Mechanical System – “Air Cleaner”)

(2)

Disconnect the inverter power cable (A).

Disconnect the inverter power cable as the procedures below.

(3)

Measure the voltage between the inverter (+) terminal and the inverter (-) terminal.

Less than 30V : High voltage circuit properly shut

More than 30V : Fault on high voltage circuit

If measured more than 30V, check if the safety plug is removed completely.If measured more than 30V despite the safety plug is removed, there can be serious problems on the high voltage circuit. In this case, check DTC and never touch the high voltage system circuits.

General safety information and caution

Safety Precaution Precautions to take before servicing high voltage system ...

Power Train

...

Other information:

Kia Niro (DE HEV) Owners Manual: To decrease the crusie control set speed
Follow either of these procedures: Move the lever down (to SET-), and hold it. Your vehicle set speed will decrease by 10 km/h (5 mph). Release the lever at the speed you want. Move the lever down (to SET-), and release it immediately. The cruising speed will decrease by 1.0 km/h (1.0 ...

Kia Niro (DE HEV) Owners Manual: Owner maintenance precautions
Improper or incomplete service may result in problems. This section gives instructions only for the maintenance items that are easy to perform. ✽ NOTICE Improper owner maintenance during the warranty period may affect warranty coverage. For details, read the separate Warranty & Maintenan ...