Hyundai Sonata: 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 block. |
Power Relay (Type A)
Check for continuity between the terminals.
3) |
Head lamp (high) relay |

1. |
There should be continuity between the No.30 and No.87
terminals when power and ground are connected to the No.85 and No.86
terminals. |
2. |
There should be no continuity between the No.30 and No.87 terminals when power is disconnected.
Engine Room Relay Block 


|
Power Relay (Type B)
Check for continuity between the terminals.

1. |
There should be continuity between the No.30 and No.87
terminals when power and ground are connected to the No.85 and No.86
terminals. |
2. |
There should be no continuity between the No.30 and No.87 terminals when power is disconnected. 


|
Metal Core PCB Block
1. |
Disconnect the negative (-) battery terminal. |
2. |
Put up the metal care PCB block (A) after push 4 hooks (B) in the block assembly. 

|
3. |
Remove the metal care PCB block after disconnet the connector. |
Fuse
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. |
|
Multi Fuse
Engine room fuse is to optimize the package.



- |
Multi fuse has to replace in the mass when it damaged only one fuse. |
- |
When replacing the multi fuse, refer to the "Engine compartment - component location" diagram exactly. |
- |
Use the multi fuse capacities for each circuit correctly. |
|
Component Location
[Engine room junction block]
[Metal Core Block (PCB)]
...
Component Location
[Interior Junction Block]
...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Winter Driving
Snow or Icy Conditions
You need to keep sufficient distance between your vehicle and the vehicle in
front of you.
Apply the brakes gently. Speeding, rapid acceleration, sudden brake applications,
and sharp turns are potentially very hazardous practices. During deceleration, use
engine braking to ...
Hyundai Sonata LF 2014-2019 Service Manual: Water pump Repair procedures
Removal
1.
Loosen the drain plug (A), and drain the engine coolant. Remove the radiator cap to drain with speed.
System is under high pressure when the engine is hot.To avoid
danger of releasing scalding engine coolant, remove the cap only when
the engine is cool.
...