Hyundai Genesis: Fuses And Relays / Relay Box (Engine Compartment) Repair procedures
1. |
Disconnect the negative (-) battery terminal. |
2. |
Pull out the relay from the engine compartment relay box. |
Power Relay (Type A)
Check for continuity between the terminals.
A : start relay
1. |
After supplying power to between No. 85 and 86 power relay
terminals, check that there is continuity between No. 30 and 87
terminals. |
2. |
After disconnecting power between No. 85 and 86 power relay
terminals, check that there is no continuity between No. 30 and 87
terminals.
Engine Room Relay Box 
Diesel Box 

|
Power Relay (Type B)
Check for continuity between the terminals.
A : Cooling fan relay
1. |
After supplying power to between No. 85 and 86 power relay
terminals, check that there is continuity between No. 30 and 87
terminals. |
2. |
After disconnecting power between No. 85 and 86 power relay
terminals, check that there is no continuity between No. 30 and 87
terminals. 


|
Metal Core PCB block
1. |
Disconnect the battery(-) terminals. |
2. |
Push the four hooks in the direction of the arrow and lift up the metal core PCB block (A). 
|
3. |
Remove the metal core PCB by disconnecting the connector. |
Fuse
1. |
Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders. |
2. |
Check that each fuse circuit has the exact fuse capacity. |
3. |
Check the fuses for any damage.
If a fuse is to be replaced, be sure to use a new fuse of the
same capacity. Always identify the cause of the blown fuse and
completely eliminate the problem before installing a new fuse. |
|
Multi Fuse
Engine room fuse is to optimize the package.



- |
The entire multi fuse has to be replaced even if only one fuse is damaged. |
- |
When replacing it, refer to "the Engine compartment-
component location" diagram to check fuse capacities and circuit
arrangement. |
- |
Use the multi fuse of the exact fuse capacity for each circuit. |
|
Component Location
Engine room junction block
Battery junction block
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Component Location
Interior Junction Block
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Other information:
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the cover (A).
3.
Disconnect the ECM connector (A), TCM connector (B) and IDB connector (C).
4.
Remove the TCM & ECM & IDB after removing the bolts (A) and nut (B).
Tightening t ...
Component Location
1. Horn switch2. Horn relay (Built - in Metal Core Block PCB)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring
...