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
...
Component Location
Interior Junction Block
...
Other information:
Brake Booster Operating Test
For simply checking the brake booster operation, perform the following tests.
1.
Run the engine for one or two minutes, and then stop
it.Depress the pedal several times, and if the pedal stroke gradually
decreases, the brake booster operates properly. If there ...
Description
1.
Function
The TPMS monitors the pressure and temperature of the tires
and warns the driver of changes that could potentially influence driving
conditions.
The cluster warning lamp displays the messages generated from processing the data.
The ECU processes the data received ...