KIA Niro: Relay Box (Engine Compartment) Repair procedures

Inspection

  1. Disconnect the negative (-) battery terminal.
  2. Pull out the relay from the engine compartment relay block.

Power Relay (Type A)

Check for continuity between the terminals.

  1. After supplying power to between No. 85 and 86 power relay terminals, check that there is continuity between No. 30 and 87 terminals.
  2. After disconnecting power between No. 85 and 86 power relay terminals, check that there is no continuity between No. 30 and 87 terminals.

Engine Room Relay Block

Power Relay (Type B)

Power Relay (Type B)

Check for continuity between the terminals.

  1. After supplying power to between No. 85 and 86 power relay terminals, check that there is continuity between No. 30 and 87 terminals.
  2. After disconnecting power between No. 85 and 86 power relay terminals, check that there is no continuity between No. 30 and 87 terminals.

Metal Core PCB block

Metal Core PCB block

  1. Disconnect the negative (-) battery terminal.
  2. Disconnect the PCB block connector (A).

  1. Push the four hooks in the direction of the arrow and lift up the metal core PCB block (A).

  1. Remove the metal core PCB block by disconnecting the connectors (A).

Fuse

Fuse

  1. Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders.
  2. Check that each fuse circuit has the exact fuse capacity.
  3. Check the fuses for any damage.

Warning

If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always identify the cause of the blown fuse and completely eliminate the problem before installing a new fuse.

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