Relay Box (Interior) Repair Procedures

Fuse Inspection

1. 1
   Make sure that there is no play in the fuse holders and that the fuses are securely installed.
2. 2
   Is the rating of the fuse specified correctly for each circuit?
3. 3
   Is there a blown fuse? If a fuse must be replaced, be sure to use a new fuse of the same capacity. Always determine why the fuse blew first and fully correct the problem before installing a new fuse.

Inspection

1. 1
   The SJB can be diagnosed using GDS. The SJB communicates with GDS, which then displays the input and output data along with the codes.
2. 2
   To diagnose the SJB function, select the vehicle model, BCM and SJB.

   

3. 3
   To view the SJB input/output current value, select "Current DATA". It provides information on the SJB input/output conditions.

   

4. 4
   To perform a functional check of the SJB outputs, select "Actuation Test".

   

Removal

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the lower crash pad panel (A). (Refer to BD group - "Crash Pad")

   

3. 3
   Disconnect the connectors (A) from the fuse side of the intelligent junction box.

   

4. 4
   Remove the intelligent junction box by loosening the mounting nuts (2 pcs).
5. 5
   Disconnect the connectors from the rear side of the intelligent junction box.

Installation

1. 1
   Install the smart junction box.
2. 2
   Install the emergency pad lower panel.
3. 3
   Make sure that the entire system operates normally.