Hyundai Genesis (DH): Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Hyundai Genesis (DH) 2013-2016 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Fuse Inspection
1.
Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders.
2.
Check that each fuse circuit has the exact fuse capacity.
3.
Check the fuses for any damage.
   
If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always identify the cause of the blown fuse and completely eliminate the problem before installing a new fuse.
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
Passenger Compartment Junction Block (SJB)
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the connectors from the indoor junction box (smart junction block).
4.
Remove the smart junction block after loosening the mounting nuts (2EA) and bolt.

5.
Disconnect the connectors from the back side of the smart junction block.
Installation
1.
Install the smart junction box.
2.
Install the crash pad lower panel.
3.
Check that all system operates normally.
4.
Connect the battery terminal (-).

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