KIA Niro: DC Fuse

Component Location

  1. DC Fuse
  2. Inverter Connector (↔ Power Relay Assembly (PRA))
  3. Inverter Connector (↔ Electric A/C compressor)

Component Location

Harness Connector

Harness Connector

DC Fuse Repair procedures

DC Fuse Repair procedures

Removal

Warning

  • 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.

  1. Shut off the high voltage circuit.

    (Refer to Hybrid Control System - "High Voltage Shut-off Procedure")

  2. Remove the air cleaner assembly and air duct.

    (Refer to Engine Mechanical System - "Air Cleaner")

  3. Remove the ECM & TCM bracket assembly.

    (Refer to Engine Control/Fuel System - "Engine Control Module")

  4. Drain the coolant of hybrid motor cooling system.

    (Refer to Hybrid Motor Cooling System - "Coolant")

  5. Disconnect the motor power cable connector (A) and HSG power cable connector (B) after loosening the mounting bolts.

  1. Disconnect the power cable (A) and inverter power cable (B) from the HPCU.

Warning

Warning

Remove the inverter power cale in the follwing order.

  1. Remove the DC fuse cover (A) after loosening the mounting bolt.

DC fuse cover installation bolt: 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

  1. Remove the DC fuse seal cover (A).

  1. Remove the DC fuse (A) from the HPCU after loosening the mounting bolt.

DC fuse installation bolt : 9.3 - 10.4 N.m (0.95 - 1.06 kgf.m, 6.9 - 7.7 lb-ft)

Installation

Installation

Warning

  • 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.

  1. Install the DC fuse in the reverse order of removal.

Battery Pack Assembly

General Specification

Warning

Warning

Main high voltage battery pack assembly (180V) + Sub high voltage battery pack assembly (180V)

Operating Specification

Power Relay Assembly (PRA)

Power Relay Assembly (PRA)

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