KIA Niro: High voltage battery system inspection guide

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. Carry out a visual inspection to determine whether the vehicle requires general repair or accident repair.
  2. For the general repair, perform the repair based on the repair process for that DTC code.
  3. For the car accident repair, determine the accident type before repair.

1) Electrical Accidents

  • Over-charge/discharge: Displays a battery over voltage (P1B71) code /low voltage (P1B70) code (Refer to the DTC diagnosis guide).
  • Short: Displays a high voltage short (P1B77, P1B25) codes (Refer to the DTC diagnosis guide).

2) Fire

3) Collision

3) Collision

4) Submersion

4) Submersion

Main Fuse Inspection

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Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal. Shut off the high voltage. (Refer to Hybrid Control System - "High voltage Shut-off Procedures") Remove the center tra

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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

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Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses. The coolant level should be filled between MAX and MIN (F and L) marks on the side of the coolant reservoir when

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NOTICE Operation status by the hazard warning light may not be applicable based on the regulation of your country. If the smart key is not within the operating range from the vehicle (approximately 4m (13 ft.)), the smart key LED

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