Kia Niro: High Voltage Battery Control System / Main Fuse Repair procedures

Removal
  

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 shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Switch "OFF" the ignition and disconnect the negative (-) terminal of the auxiliary 12V battery.

2.

Remove the safety plug cover (A).

3.

Unfasten the hook (A) in the direction of arrow.

4.

Unfasten the lever (A) in the direction of arrow.

5.

Remove the safety plug (A).

6.

Remove the safety plug lever (A).

7.

Remove the main fuse (C) after removing the safety plug cover (B).

Inspection

Method 1

1.

Remove the safety plug.

(Refer to High Voltage Battery Control System - "Safety Plug")

2.

Check the continuity between ends of the safety plug.

S pecification : Less than 1Ω (20°C)

3.

If the measured resistance is not within the specifications, then replace the main fuse according to the maintenance guideline.

Method 2

1.

Remove the safety plug.

(Refer to High Voltage Battery Control System - "Safety Plug")

2.

Remove the main fuse.

(Refer to "Removal")

3.

Check the continuity between ends of the main fuse.

Specification : Less than 1Ω (20°C)

4.

If the measured resistance is not within the specifications, then replace the main fuse according to the maintenance guideline.

Installation
  

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 shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Install the main fuse in the reverse order of removal.

  

Store the washers in a secure place when installing the main fuse.

Main Fuse Schematic diagrams
Circuit Diagram Harness Connector [Interlock] ...

Main Relay (+) / (-) Specifications
Specification Item Specification Contact Rated Voltage (V) 450 Rated Current (A) 80 ...

Other information:

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Kia Niro 2017 (DE HEV) Service Manual: Intake Air Temperature Sensor (IATS) Specifications
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