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

Hyundai Tucson (LM) 2010-2015 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Repair procedures

Inspection
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.
SJB Connectors

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
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
3.
Remove the SJB (A) (Smart Junction Box) after removing bolt, nuts and connectors.

Installation
1.
Install SJB (Smart Junction Box).
2.
Connect the SJB connectors.
3.
Install the crash pad lower panel.
Relay Box (Passenger Compartment) Description and Operation
Description SJB (Smart Junction Box) 1. Specification ItemRequirementRemarkRated voltageDC 12VxVoltage rangeDC 8 ~ 16VNormal operating in this rangeStorage temperature-40°C ~ +95°CxOperating ...

ICM (Integrated Circuit Module) Relay Box Components and Components Location
Component ...

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