Kia Cadenza YG: Fuses And Relays / Relay Box (Engine Compartment) Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Engine Compartment) Repair procedures

Inspection
Power Relay Test (Type A)
   
–
Do not use pliers.
–
Pliers will damage the relays, which could cause the engine to stall or not start.
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Carefully remove the relay using the relay puller.
Check for continuity between the terminals.
A. Front deicer
B. IGN2 relay
C. Blower relay
D. Burglar alarm horn relay
E. IGN1 relay
F. Cooling fan #1 relay

G. Cooling fan #2 relay
H. Start relay
I. Rear defogger
J. Horn relay
K. ACC relay
L. Fuel pump relay

1.
There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2.
There should be no continuity between the No.30 and No.87 terminals when power is disconnected.

Power Relay Test (Type B)
Check for continuity between the terminals.
A : Rain sensor relay
B : Wiper relay
1.
There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2.
There should be continuity between the No.30 and No.87 terminals when power is disconnected.

Power Relay Test (Type C)
Check for continuity between the terminals.
A : ECU relay
1.
There should be continuity between the No.30, 87a and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2.
There should be no continuity between the No.30, 87a and No.87 terminals when power is disconnected.

Fuse Inspection
1.
Be sure there is no play in the fuse holders, and that the fuses are held securely.
2.
Are the fuse capacities for each circuit correct?
3.
Are there any blown fuses?
If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always determine why the fuse blew first and completely eliminate the problem before installing a new fuse.
Multi Fuse
Multi Fuse is for optimizing the engine room package.

   
–
Multi fuse is needed to replace in the mass when it damaged only one fuse.
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When replace the multi fuse, refer to the "Engine compartment - component location" diagram exactly.
–
Use the multi fuse capacities for each circuit correctly.

    Components

    Components

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description BSD is a system that uses two magnetic wave radar sensors attached on the rear bumper to measure the distance from the following vehicles and provides the sensing and (visual and auditory) alarm of any vehicle coming into the blind spot.

    Kia Cadenza YG 2016-2021 Service Manual: Troubleshooting

    Troubleshooting Examples of False-Alarm Occurrence from system characteristics (It’s not a problem) – Characteristics of EM Wave : EM Waves are reflected against all material and especially metal very well. Reflections of EM Waves are varies with the shape of object.

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