KIA Niro: Relay Box (Engine Compartment) Repair procedures
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Body Electrical System / Fuses And Relays / Relay Box (Engine Compartment) Repair procedures
Inspection
- Disconnect the negative (-) battery terminal.
- Pull out the relay from the engine compartment relay block.
Power Relay (Type A)
Check for continuity between the terminals.
- After supplying power to between No. 85 and 86 power relay terminals, check that there is continuity between No. 30 and 87 terminals.
- 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)
Check for continuity between the terminals.
- After supplying power to between No. 85 and 86 power relay terminals, check that there is continuity between No. 30 and 87 terminals.
- 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
- Disconnect the negative (-) battery terminal.
- Disconnect the PCB block connector (A).

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

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

Fuse
- Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders.
- Check that each fuse circuit has the exact fuse capacity.
- 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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Multi Fuse
(Multi Fuse A, B)
Disconnect the negative (-) battery terminal.
Remove the power cable terminal (A) after loosening the nut from the
engine room fuse & relay
box.
Remove the multi fuse A (A) after pushing the hook.
Remo
Relay Box (Passenger Compartment)
IGPM
Description
Communication Network Diagram
Integrated Gateway & Power control Module (IGPM)
Integrated Gateway & Power control Module (IGPM) is a module that performs
the function of conventional Junction Block and
Relay Box (Passenger Compartment) Repair procedures
Fuse Inspection
Check that the fuse holders are loosely held and that the fuses are
securely fixed by the holders.
Check that each fuse circuit has the exact fuse capacity.
Check the fuses for any damage.
Warning
If a fuse is to be rep
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Hazardous driving conditions
If driving conditions deteriorate due to
poor weather or road conditions, you
should pay even more attention than
usual.
When hazardous driving conditions are
encountered such as water, snow, ice,
mud, sand, or similar hazards, follow
these su
Checking the inverter coolant level (HEV)
If frequent additions are required, we
recommend that the system be
inspected by a professional workshop.
Kia recommends to visit an authorized
Kia dealer/service partner.
The inverter coolant level should be in
between MAX and MIN when the
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