Hyundai Palisade (LX2): Fuses And Relays / Relay Box (Engine Compartment)

Hyundai Palisade (LX2) 2020-2026 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)
Hyundai Palisade. Repair procedures   
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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]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
Power Relay (Type B)
Check for continuity between the terminals.
A : Wiper relay (Low)
B : Wiper relay (High)
C : Wiper Frt 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.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
Power Relay (Type C)
Check for continuity between the terminals.
A : Cooling fan relay
B : Blower Frt relay
C : Rear heated 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.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
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).

Hyundai Palisade. Repair procedures
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

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
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Multi fuse (A) 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.

    Component Location 1. Engine room relay box 2. ICU Junction block 3. ICM relay box

    Description and operation Dscription and Operation ICU (Integrated Central Control Unit) ICU (Integrated Central Control Unit) is an integrated model of smart junction block and central gateway.

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    Hyundai Palisade (LX2) 2020-2026 Service Manual: Auto Defogging Actuator

    Description and operation Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives a signal from the sensor and restrains moisture and eliminates defog by the intake actuato

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Rear Corner Safety ON/OFF Switch

    Components and components location Circuit Diagram Repair procedures Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crashpad Lower Panel") 3.

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