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Hyundai Equus: Relay Box (Passenger Compartment) Repair procedures - Fuses And Relays - Body Electrical System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Relay Box (Passenger Compartment) Repair procedures

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Inspection
1.
The SJB can be diagnosed by using the GDS. The SJB communicates with the GDS which then displays inputs and outputs along with codes.
2.
To diagnose the SJB function, select the vehicle model, BCM and SJB.

3.
To consult the present input/out value of SJB, "Current DATA". It provides information of SJB input/output conditions.

4.
To perform functional test on SJB outputs, select "Actuation Test"

Removal
Samrt Junction Box (SJB)
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the smart junction box (SJB) connectors and nuts.

4.
Disconnect the connector (A) in the back side of the smart junction box.

Installation
1.
Connect the connectors and receiver antenna cable on the smart junction box.
2.
Install the smart junction box module.
3.
Install the crash pad lower panel.
4.
Connect the negative (-) battery terminal.
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