Hyundai Santa Fe (TM): Fuses And Relays / Relay Box (Engine Compartment). Repair procedures

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Body Electrical System / Fuses And Relays / Relay Box (Engine Compartment). Repair procedures

Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Pull out the relay from the engine compartment relay box.
Power Relay (Type A)
  
–
Do not use pliers.
–
Pliers will damage the relays, which could cause the engine to stall or not start.
–
Carefully remove the relay using the relay puller.
Check for continuity between the terminals.
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.
[Engine room relay box]

[Sub junction block]
Power Relay (Type B)
Check for continuity between the terminals.
A : Wiper relay (Low)
B : Wiper relay (High)
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 (Type C)
Check for continuity between the terminals.
A : Cooling fan relay (High)
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.
Replacement of PCB Block
1.
Disconnect the negative (-) battery terminal.
2.
Push 4 hooks in the engine room relay box out to the arrow direction and put up the PCB block (A).
3.
Disconnect the connector and remove the the PCB block (A).
Fuse
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 (A) is needed to replace in the mass when it damaged only one fuse.
–
When replace the multi fuse, refer to the "Engine compartment - component location" diagram exactly.
–
Use the multi fuse capacities for each circuit correctly.

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