2023 HYUNDAI I20 heater

9-50
Maintenance
6PDUWVWUHDP*7*'L6PDUWVWUHDP*7*'L+(9
Fuse Name Symbol Relay Name Type
RLY.1 E30Main Relay MINI
RLY.2 E31
Cooling Fan Relay MINI
RLY.3 E32
Wiper (High) Relay MICRO
RLY.4 E33
Wiper (Low) Relay MICRO
RLY.5 E34
Fuel Pump Relay MICRO
RLY.6 E36
Start Relay MICRO
RLY.7 E36
RR WIPER Relay MICRO
RLY.10 E39 A/CON Relay MICRO
RLY.11 E40
Horn Relay MICRO
RLY.12 E41
B/Alarm Horn Relay MICRO
RLY.13 E42
Blower Relay MICRO
RLY.14 E43
PTC Heater Relay MICRO

9-52
Maintenance
Fuse Name Symbol (A) Circuit Protected
IGN COIL15A Ignition Coil #1/#2/#3
ECU5
20A ECM
ECU6
15A ECM
SENSOR 1
10AE/R Junction Block (RLY.2/10),
Oil Control Valve #1/#2 (Intake/Exhaust),
Purge Control Solenoid Valve, RCV Control, V_Oil
Pump Solenoid Valve
SENSOR 2
10A Oxygen Sensor (Up/Down)
RR DEFOG
40A ICU Junction Block (Rear Defogger Relay)
ABS 1
40A ESP Control Module
BLOWER
40A E/R Junction Block (RLY.13)
PTC
HEATER
50A E/R Junction Block (RLY.14)
ABS 2
30A ESP Control Module
POWER
OUTLET
40A ICU Junction Block (Power Outlet Relay)
WIPER 2
10A E/T Junction Block (RLY. 4), Front Wiper Motor, IBU
SENSOR3
15A E/T Junction Block (RLY. 5)
MHSG
10A Mild Hybrid Starter & Generator Motor
BATTERY
C/FAN
10A BMS Cooling Fan, E/R Junction Block (Fuse - F8)
WIPER 1
25AE/T Junction Block (RLY. 4), Front Wiper Motor,
Ignition Switch
BATTERY
MANAGEMENT2
10ABMS Control Module, E/R Junction Block (Fuse -
F8)
6PDUWVWUHDP*7*'L6PDUWVWUHDP*7*'L+(9

9-53
09
6PDUWVWUHDP*
RR WIPER Relay Symbol Relay Name Type
RLY.1 E30Main Relay MINI
RLY.3 E32
Wiper (High) Relay MICRO
RLY.4 E33
Wiper (Low) Relay MICRO
RLY.5 E34
Fuel Pump Relay MICRO
RLY.6 E36
Start Relay MICRO
RLY.7 E36
RR WIPER Relay MICRO
RLY.8 E37
A/CON Relay MICRO
RLY.9 E38
Cooling Fan High Relay MICRO
RLY.10 E39
Cooling Fan Low Relay MICRO
RLY.11 E40
Horn Relay MICRO
RLY.12 E41
B/Alarm Horn Relay MICRO
RLY.13 E42
Blower Relay MICRO
RLY.14 E43
PTC Heater Relay MICRO

9-55
09
6PDUWVWUHDP*
Fuse Name Symbol (A) Circuit Protected
BLOWER40A E/R Junction Block (RLY.13)
PTC
HEATER
50A E/R Junction Block (RLY.14)
ABS 2
30A ESP Control Module
POWER
OUTLET
40A ICU Junction Block (Power Outlet Relay)
WIPER 2
10A E/R Junction Block (RLY. 4), Front Wiper Motor, IBU
INJECTOR1
15AE/R Junction Block (RLY. 5), Injector #1-1/#2-1/#3-
1/#4-1
INJECTOR2
15A Injector #1-2/#2-2/#3-2/#4-2
WIPER 1
25AE/T Junction Block (RLY. 4), Front Wiper Motor,
Ignition Switch

9-56
Maintenance
3HWURO
Fuse Name Symbol Relay Name Type
RLY.1 E30Main Relay MINI
RLY.3 E32
Wiper (High) Relay MICRO
RLY.4 E33
Wiper (Low) Relay MICRO
RLY.5 E34
Fuel Pump Relay MICRO
RLY.6 E36
Start Relay MICRO
RLY.7 E36
RR WIPER Relay MICRO
RLY.9 E38
Cooling Fan High Relay MICRO
RLY.10 E39
Cooling Fan Low Relay MICRO
RLY.11 E40
Horn Relay MICRO
RLY.12 E41
B/Alarm Horn Relay MICRO
RLY.13 E42 Blower Relay MICRO
RLY.14 E43
PTC Heater Relay MICRO

9-58
Maintenance
3HWURO
Fuse Name Symbol (A) Circuit Protected
ABS 140A ESP Control Module
BLOWER
40A E/R Junction Block (RLY.13)
PTC
HEATER
50A E/R Junction Block (RLY.14)
ABS 2
30A ESP Control Module
POWER
OUTLET
40A ICU Junction Block (Power Outlet Relay)
WIPER 2
10A E/R Junction Block (RLY. 4), Front Wiper Motor, IBU
INJECTOR
15A E/R Junction Block (RLY. 5), Injector #1/#2/#3/#4
WIPER 1
25AE/R Junction Block (RLY. 4), Front Wiper Motor,
Ignition Switch