KIA Niro: Battery Current Sensor

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Hybrid Control System / Main/ Sub High Voltage Battery / Battery Current Sensor

Specification

Battery Current Sensor

Specification

Description

Description

Battery Current Sensor is integrated into the Power Relay Assembly (PRA) and measures the current
of the high voltage battery during charging or discharging.

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 in the reverse order of removal.

Inspection

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. Connect the KDS to the Data Link Connector (DLC).
  2. Turn the ignition switch ON.
  3. Check the battery current in KDS service data.

Main Fuse

Main Fuse

Specification

Description

Description

The main fuse is mounted in the safety plug and protects the high voltage battery and high voltage circuits from overcurrent.

Main Fuse Repair procedures

Main 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. Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal.
  2. Shut off the high voltage circuit.

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

  3. Remove the center tray trim (A)

  1. Remove the sub high voltage battery rear cover (A) after loosening the mounting bolts.

High Voltage Battery Rear Cover mounting bolt : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Remove the rear outlet cooling duct (A) after loosening the mounting bolt.

Rear Outlet Cooling Duct mounting bolt : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Remove the main fuse cover (A).

  1. Remove the main fuse (A) after loosening the mountiong nuts.

Main Fuse mounting nut : 10.98 - 12.94 N*m (1.12 ~ 1.32 kgf*m, 8.10 - 9.55 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 main fuse in the reverse order of removal.

Warning

Be careful not to miss washers when installing the main fuse.

Inspection

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. Remove the main fuse.

    (Refer to High Voltage Battery Control System - "Main Fuse")

  2. Check the continuity between ends of the main fuse.

Specification : 1Ω or less (20ºC (68ºF))

Specification : 1Ω or less (20ºC (68ºF))

  1. If the measured resistance is not within the spec value, then exchange the main fuse by following the maintenance guideline.

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