| SONATA(YF) >2013 > G 2.4 GDI > Body Electrical System > Fuses And Relays > 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.

2. | Are the fuse capacities for each circuit correct?

3. | Are there any blown fuses? 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.

Relay Inspection

Door Lock

1. | There should be continuity between the No.38 terminal in the I/P-E and No.21(or 34) terminal in the I/P-A when power and ground are connected to the No.38 terminal in the I/P-E and ground.

2. | There should be no continuity between the No.38 terminal in the I/P-E and No.21(or 34) terminal in the I/P-A when power is disconnected.

Door Unlock

1. | There should be continuity between the No.38 terminal in the I/P-E and No.22(or 35) terminal in the I/P-A when power and ground are connected to the No.38 terminal in the I/P-E and ground.

2. | There should be no continuity between the No.38 terminal in the I/P-E and No.22(or 35) terminal in the I/P-E when power is disconnected.

Trunk Lid Open

1. | There should be continuity between the No.1 terminal in the I/F-C and No.36 terminal in the I/F-A when power and ground are connected to the No.1 terminal in the I/F-C and ground.

2. | There should be no continuity between the No.1 terminal in the I/F-C and No.36 terminal in the I/F-A when power is disconnected.

Removal

Passenger Compartment Junction Box (SJB)

1. | Disconnect the negative(-) battery terminal.

2. | Remove the crash pad lower panel (A). (Refer to the BD group - "Crash pad")

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

4. | Remove the smart junction box after loosening the mounting nuts (2EA).

5. | Disconnect the connectors from the back side of the smart junction box.

Installation

1. | Install the smart junction box.

2. | Install the crash pad lower panel.

3. | Check that all system operates normally.