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Hyundai Equus: Relay Box (Engine Compartment) Repair procedures - Fuses And Relays - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Relay Box (Engine Compartment) Repair procedures

Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service 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.
A : Back up lamp relay
B : Trunk open relay
C : Power outlet relay
E : Washer relay
F : Front deicer relay
G : Horn relay
H : Fuel pump relay
I : Room lamp 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 (Type B)
Check for continuity between the terminals.
A : SSB (ACC) realy
B : ECS relay
C : C/Fan relay
D : SSB (IGN2) relay
E : SSB (IGN1) relay
F : Blower relay
G : Rear glass heater relay
H : Start relay
I : Head lamp 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 (Type C)
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 continuity between the No.30 and No.87 terminals when power is disconnected.
A : ECU relay

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 correctx
3.
Are there any blown fusesx
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.
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