Hyundai Santa Fe (DM): Relay Box (Passenger Compartment). Repair procedures
Fuse Inspection
1. |
Be sure there is no play in the fuse holders, and
that the fuses are held securely.
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2. |
Are the fuse capacities for each circuit correct?
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3. |
Are there any blown fuses?
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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.
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2. |
To diagnose the SJB function, select the vehicle
model, BCM and SJB.
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3. |
To consult the present input/out value of SJB, "Current
DATA". It provides information of SJB input/output conditions.
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4. |
To perform functional test on SJB outputs, select
"Actuation Test"
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Removal
Passenger Compartment Junction Box (SJB)
1. |
Disconnect the negative(-) battery terminal.
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2. |
Remove the crash pad lower panel.
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3. |
Disconnect the connectors from the fuse side of the
smart junction box.
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4. |
Remove the smart junction box after loosening the
mounting nuts (2EA) and bolt.
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5. |
Disconnect the connectors from the back side of the
smart junction box.
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Installation
1. |
Install the smart junction box.
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2. |
Install the crash pad lower panel.
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3. |
Check that all system operates normally.
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Relay Box (Passenger Compartment). Description and Operation
Description Smart Junction Box(SJB) 1. General function : Interior Junction Box + some functions of BCM It controls loads with CAN communication and IPS. 2. Main function A. Low speed CAN communication(100 ...
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