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 any fuse blown?

   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 completely eliminate the problem before installing a new fuse.

Diagnosis with GDS

1. 1
   The body electrical system can be quickly diagnosed for faulty parts using the Global Diagnostic System (GDS). The GDS provides the following information.

   1. 1) Self-diagnosis: Check the diagnostic trouble code (DTC) and display.
   2. 2) Current data: Check the input/output status of the system.
   3. 3) Actuator test: Check the operating status of the system.
   4. 4) Additional functions: Other controls such as system option and zero point adjustment.
2. 2
   Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
3. 3
   Select "Smart Junction Box (SJB)".
4. 4
   Select the "Current Data" menu to check the current input/output status. The input/output data for the sensors related to the Smart Junction Box (SJB) can be checked.

   

5. 5
   If you force-check the power door lock operation, select "Activation Check".

   

6. 6
   To change a user setting, select "User Settings".

   

   

Removal

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the emergency pad lower panel. (Refer to Body - "Emergency Pad Lower Panel")
3. 3
   Disconnect the connectors (A) from the fuse side of the SJB.

   

4. 4
   Remove the SJB (A) after loosening the mounting nuts.

   

5. 5
   Disconnect the connectors from the rear side of the SJB.

   

Installation

1. 1
   Install the smart junction box.
2. 2
   Install the emergency pad lower panel.
3. 3
   Connect the negative (-) battery terminal.
4. 4
   Make sure that the entire system operates normally.