KIA Sorento (MQ4; 2021 – 2024) – fuse and relay box diagram

Posted on 17 February 202517 February 2025 by admin

KIA Sorento (MQ4; 2021 – 2024) – fuse and relay box diagram

Year of production: 2021, 2022, 2023, 2024

This article covers the fourth-generation KIA Sorento (MQ4), produced from 2021 to the present. It provides fuse box diagrams for the 2021, 2022, 2023 and 2024 models, details the locations of the fuse panels within the vehicle, and explains the function of each fuse (fuse layout) and relay.

Passenger Compartment Fuse Box

Fuse Box Location

The fuses are located behind the cover on the driver’s side.

KIA Sorento (MQ4; 202q - 2024) - fuse and relay location - passenger compartment — KIA Sorento (MQ4; 202q – 2024) – fuse and relay location – passenger compartment

Fuse Box Diagram

KIA Sorento (MQ4; 202q - 2024) - fuse and relay diagram - passenger compartment — KIA Sorento (MQ4; 202q – 2024) – fuse and relay diagram – passenger compartment

Assignment of the fuses in the instrument panel

Name	Amps	Circuit Protected
AMP	25A	AMP (Amplifier)
LDC	30A	Low DC (Direct Current) – DC (Direct Current) Converter
P/SEAT (DRV)	30A	Driver Power Seat Switch, IMS (Integrated memory system) Control Module
P/WINDOW (LH)	25A	Rear Power Window Switch LH, Rear Safety Power Window Module LH, Driver Safety Power Window Module
P/SEAT (PASS)	30A	Passenger Power Seat Switch
S/HEATER (FRT)	20A	Driver Air Ventilation Seat Warmer, Driver Seat Warmer, Data Link Connector
S/HEATER (REAR LH)	15A	2nd Seat Warmer LH Control Module
2nd ROW SEAT FOLDING (RH)	20A	2nd Seat RH Folding Actuator
P/WINDOW (RH)	25A	Rear Power Window Switch RH, Rear Safety Power Window Module RH, Passenger Power Window Switch, Passenger Safety Power Window Module
TAILGATE OPEN	15A	Tail Gate Relay
2nd ROW SEAT FOLDING (LH)	20A	2nd Seat LH Folding Actuator
DOOR LOCK	20A	Door Lock/Unlock Relay, Dead Lock Relay
REAR A/C 2	10A	Rear A/C Control Module
MULTIMEDIA 1	25A	Low DC (Direct Current) – DC (Direct Current) Converter
S/HEATER (REAR RH)	15A	2nd Seat Warmer RH Control Module
MEMORY	10A	Passenger Power Outside Mirror, Driver Power Outside Mirror, 1st Air Ventilation Seat Control Module, Head-Up Display, 1st Seat Warmer Control Module, Power Tailgate Unit, Rear A/C Control Module, Front A/C Control Module, Front A/C Control Panel, Low DC (Direct Current) – DC (Direct Current) Converter, ROA, Surround View Monitor Unit
START	10A	Ignition Switch
USB CHARGER 1	10A	Luggage USB Charge Connector LH/RH
USB CHARGER 2	15A	Rear Console USB Charge Connector LH/RH, 1st Air Ventilation Seat Control Module, 1st Seat Warmer Control Module
MODULE 3	7.5A	IBU (Integrated Body Control Unit), ADAS Unit, Front View Camera (ADAS), Crash Pad Switch, Surround View Monitor Unit, 4WD ECU, Front Console Switch, Front Seat Ventilation Switch LH/RH, Front Radar Unit, ATM (Automatic Transmission) Shift Lever (Indicator), Rear Corner Radar Unit LH/RH, Electronic Shift Dial
AIR BAG	15A	SRS (Supplemental Restraint System) Control Module, Passenger Occupant Detection Sensor
WASHER	15A	Multifunction Switch
MODULE	10A	ADAS Unit, Surround View Monitor Unit, IBU (Integrated Body Control Unit), Front USB Charge Connector LH/RH, Low DC (Direct Current) – DC (Direct Current) Converter
MODULE 9	10A	Key Solenoid, Driver/Passenger Smart Key Outside Handle, Driver Door Area Unit
IBU	7.5A	IBU (Integrated Body Control Unit)
MODULE 2	7.5A	Driver Door Area Unit, ATM (Automatic Transmission) Shift Lever
REAR A/C 1	15A	Rear A/C Blower Motor, ICU Junction Block (Fuse – Rear A/C Control Module)
A/BAG IND	7.5A	Instrument Cluster, Overhead Console
MODULE 8	7.5A	ADAS Unit, Rear Console AC Inverter Outlet, AC Inverter, 2nd Seat Warmer LH/RH Control Module, Rear A/C Control Module
IBU 2	15A	IBU (Integrated Body Control Unit)
MODULE 10	10A	Stop Lamp Switch
MODULE 5	10A	AMP (Amplifier), Front Wireless Charger Unit, Low DC (Direct Current) – DC (Direct Current) Converter
A/C	7.5A	Front A/C Control Module, Front A/C Control Panel, E/R Junction Block (PTC (Positive Temperature Coefficient) Heater #1 Relay, Blower Relay)
AIR BAG 2	10A	SRS (Supplemental Restraint System) Control Module
CLUSTER	7.5A	Instrument Cluster, Head-Up Display
MODULE 4	10A	Audio, Data Link Connector, Front A/C Control Panel, Front A/C Control Module, Crash Pad Switch, Electro Chromic Mirror, 1st Air Ventilation Seat Control Module, 2nd Seat Warmer LH/RH Control Module
MODULE 7	7.5A	IBU (Integrated Body Control Unit)
MULTIMEDIA 2	10A	Surround View Monitor Unit, Instrument Cluster, ADAS Unit, Front A/C Control Panel, Front A/C Control Module, Front Wireless Charger Unit
BRAKE SWITCH	7.5A	IBU (Integrated Body Control Unit), Stop Lamp Switch
MDPS	7.5A	EPS / MDPS (Electric Power Steering) Unit

Engine Compartment Fuse Box

Fuse Box Location

KIA Sorento (MQ4; 202q - 2024) - fuse and relay location - engine compartment — KIA Sorento (MQ4; 202q – 2024) – fuse and relay location – engine compartment

Fuse Box Diagram

KIA Sorento (MQ4; 202q - 2024) - fuse and relay diagram - engine compartment — KIA Sorento (MQ4; 202q – 2024) – fuse and relay diagram – engine compartment

Assignment of the fuses in the engine compartment

Name	Amps	Circuit Protected
COOLING FAN 1	80A	Cooling Fan Motor
TCU 3	60A	TCM (Transmission Control Module)
PTC HEATER 1	50A	E/R Junction Block (PTC (Positive Temperature Coefficient) Heater #1 Relay)
B+ 2	50A	ICU Junction Block (IPS)
E-CWT 1	50A	E/R Junction Block (E-CVVT (Electric – Continuously variable valve timing) Relay)
EOP 2	40A	Electronic Oil Pump
ABS 1	40A	ESC (Electronic Stability Control) Control Module
ABS 2	30A	ESC (Electronic Stability Control) Control Module
MDPS	100A	EPS / MDPS (Electric Power Steering) Unit
COOLING FAN 2	60A	Cooling Fan Motor
B+ 6	60A	PCB Junction Block (Start Relay, IG2 Relay, IG1 Relay, ACC Relay)
EOP 1	60A	Electronic Oil Pump
B+ 5	50A	ICU Junction Block (Fuse – P/SEAT (DRV), P/WINDOW (LH), P/SEAT (PASS), S/HEATER (REAR LH), 2nd ROW SEAT FOLDING (RH))
REAR HEATED	40A	E/R Junction Block (Rear Heated Relay)
POWER TAILGATE	40A	Power Tailgate Unit
SUNROOF	40A	Sunroof Motor (Glass)
ABS 3	60A	ESC (Electronic Stability Control) Control Module
B+ 3	50A	ICU Junction Block (IPS)
VACUUM PUMP 1	20A	Smartstream 2.5 T-GDI: E/R Junction Block (Vacuum Pump Relay)
FUEL PUMP	20A	E/R Junction Block (Fuel Pump Relay)
CHILD LOCK	15A	PCB Junction Block (Child Lock/Unlock Relay)
BLOWER	50A	E/R Junction Block (Blower Relay)
B+ 4	50A	ICU Junction Block (Fuse – AMP, LDC, S/HEATER (REAR RH), P/WINDOW (RH), 2nd ROW SEAT FOLDING (LH))
TRAILER	30A	Trailer Module
INVERTER	30A	AC Inverter
B+ 1	40A	ICU Junction Block (Long Term Load Latch Relay, Fuse – TAILGATE OPEN, DOOR LOCK, S/ HEATER (REAR RH), START, MODULE 9, IBU 2, A/BAG 2, BRAKE SWITCH)
4WD	20A	4WD ECU
TCU 1	15A	PCM (Power train Control Module)
AMS	10A	Battery Sensor
VACUUM PUMP 2	10A	ESC (Electronic Stability Control) Control Module
E-CVVT 3	20A	PCM (Power train Control Module)
HEATED MIRROR	10A	Front A/C Control Panel, Front A/C Control Module, Driver/Passenger Power Outside Mirror
A/C 1	10A	Front A/C Control Module
E-CVVT 2	20A	PCM (Power train Control Module)
IG2	40A	E/R Junction Block (Start Relay), PCB Junction Block (IG2 Relay)
IG1	40A	PCB Junction Block (IG1 Relay, ACC Relay)
FRT WIPER 2	7.5A	IBU (Integrated Body Control Unit)
SENSOR 1	20A	Ignition Coil #1/#2/#3/#4
SENSOR 7	10A	Electronic Oil Pump
ECU 2	10A	PCM (Power train Control Module)
SENSOR 5	10A	E/R Junction Block (Fuel Pump Relay)
SENSOR 3	20A	PCM (Power train Control Module)
SENSOR 2	15A	Oxygen Sensor (Up/Down)
FRT WIPER 1	30A	Front Wiper Motor, Front Wiper (Low) Relay
RR WIPER	15A	Rear Wiper Relay, Rear Wiper Motor
HORN	15A	Horn Relay
A/C 2	10A	A/Con Relay
B/A HORN	15A	B/A Horn Relay
E-SHIFTER 3	7.5A	Not Used
TCU 2	10A	TCM (Transmission Control Module)
SENSOR 4	10A	Purge Control Solenoid Valve, PCM (Power train Control Module), Cooling Fan Motor, Oil Control Valve (Exhaust), Variable Oil Pump Solenoid Valve, Canister Close Valve, A/Con Relay, Smartstream 2.5 GDI: Variable Intake Solenoid Valve Smartstream 2.5 T-GDI: RCV (Recirculation Valve Control) Control Solenoid Valve
SENSOR 6	15A	Injector #l/#2/#3/#4
ECU 1	15A	PCM (Power train Control Module)
ABS 4	7.5A	ESC (Electronic Stability Control) Control Module
P/OUTLET 2	20A	Rear Console Power Outlet
P/OUTLET 1	20A	Luggage Power Outlet
Relay
VACUUM PUMP		Smartstream 2.5 T-GDI: Vacuum Pump Relay
START		Start Relay
FUEL PUMP		Fuel Pump Relay
E-CVVT		E-CVVT (Electric – Continuously variable valve timing) Relay
PTC HEATER 1		PTC (Positive Temperature Coefficient) Heater #1 Relay
B/ALARM HORN		B/Alarm Horn Relay
BLOWER		Blower Relay
REAR HEATED		Rear Heated Relay

Battery terminal

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market

Cupra Formentor (2020 – 2022) – fuse box and relay diagram

Posted on 27 January 202527 January 2025 by admin

Cupra Formentor (2020 – 2022) – fuse box and relay diagram

Year of production: 2020, 2021, 2022

The Cupra Formentor, a compact crossover, has been in production from 2020 to the present. This article provides fuse box diagrams for the 2020, 2021, and 2022 models, along with details about the locations of the fuse panels within the vehicle and the functions of each fuse (fuse layout) and relay.

Passenger Compartment Fuse Box

Fuse Box Location

Left-hand drive vehicles: The fuse panel is behind the cover. Fold the cover down to access.

Cupra Formentor (2020 - 2022) - fuse and relay box location - passenger compartment (LHD) — Cupra Formentor (2020 – 2022) – fuse and relay box location – passenger compartment (LHD)

Right-hand drive vehicles: The fuses are located in the glove compartment.

Cupra Formentor (2020 - 2022) - fuse and relay box location - passenger compartment (RHD) — Cupra Formentor (2020 – 2022) – fuse and relay box location – passenger compartment (RHD)

Fuse Box Diagram (-SC-)

Cupra Formentor (2020 - 2022) - fuse and relay box diagram - passenger compartment (holder C) — Cupra Formentor (2020 – 2022) – fuse and relay box diagram – passenger compartment (holder C)

Assignment of the fuses in the instrument panel (Fuse holder C)

№	Amps	Function/component
SC1	–	–
SC2	–	–
SC3	25A	Trailer detector control unit
SC4	20A	SCR, Adblue
SC5	25A	Parking lock sender Parking lock actuator
SC6	30A	Onboard supply control unit (interior light)
SC7	30A	Heated deats Heater and air conditioning controls Heater and air conditioning system control unit
SC8	20A	Sliding sunroof adjustment control unit
SC9	30A	Driver door control unit (LHD) Rear left door control unit Front passenger door control unit (RHD)
SC10	–	–
SC11	15A	Trailer detector control unit
SC12	40A	Onboard supply control unit (right lights)
SC13	40A	Onboard supply control unit (central locking)
SC14	30A	Digital sound package amplifier
SC15	–	–
SC16	7.5A	Airbag control unit
SC17	10A	Relay for reducing agent metering system
SC18	7.5A	Interface for entry and start system (KESSY) Control unit 2 for break-in protection Control unit 3 for break-in protection Control unit for electronic steering column lock Control unit 5 for break-in protection Control unit 4 for break-in protection Driver exterior door handle
SC19	7.5A	Emergency call module control unit and communication unit Dash panel insert
SC20	7.5A	Storage compartment with interface for mobile telephone Transmission and reception stabilisation control unit USB connection 1
SC21	7.5A	Rear overhead view camera Control unit for overhead view camera Blind spot monitor control unit Blind Spot Monitor control unit 2 Rear lid power opening control unit
SC22	–	–
SC23	–	–
SC24	15A	All-wheel drive control unit
SC25	25A	Front left seat belt (LHD) Front right seat belt (RHD)
SC26	30A	Front passenger door control unit (LHD) Rear right door control unit Driver door control unit (RHD)
SC27	25A	Front left seat belt (LHD) Front right seat belt (RHD)
SC28	10A	Hybrid battery unit Pilot line connector 1
SC29	15A	Trailer detector control unit
SC30	20A	Multimedia system Control unit 1 for information electronics
SC31	25A	Trailer detector control unit
SC32	–	–
SC33	–	–
SC34	30A	DC/AC converter with socket, 12V – 230V
SC35	40A	Onboard supply control unit (left lights)
SC36	40A	Fresh air blower control unit
SC37	30A	Rear lid control unit
SC38	–	–
SC39	10A	Heated steering wheel Steering column electronics control unit
SC40	7.5A	Alarm horn Anti-theft alarm system horn
SC41	7.5A	Data bus diagnostic interface
SC42	7.5A	Selector mechanism Selector lever position display Control unit for electronic steering column lock
SC43	10A	Operating and display unit for rear air conditioning system Heater and air conditioning controls Heater and air conditioning system control unit Vehicle interior temperature sensor Heated rear window relay Heater and air conditioning system control unit
SC44	7.5A	Switch module 1 in centre console Operating unit for lighting Air humidity, rain and light detector sensor Front roof module Anti-theft alarm sensor Diagnostic connection
SC45	7.5A	Steering column electronics control unit
SC46	7.5A	Display unit for front information display and operating unit control unit
SC47	15A	Electronically controlled damping control unit
SC48	7.5A	USB charging socket 1
SC49	–	–
SC50	–	–
SC51	–	–
SC52	20A	12V socket 12V socket 2
SC53	–	–
SC54	–	–
SC55	–	–
SC56	–	–
SC57	–	–
SC58	7.5A	Parking aid control unit Adaptive cruise control unit Front camera for driver assist systems
SC59	7.5A	Switch module 1 in centre console Relay for power sockets Air quality sensor Pressure sender for refrigerant circuit Interior mirror Reversing light switch Control unit for structure-borne sound
SC60	7.5A	Diagnostic connection
SC61	7.5A	Hybrid battery unit Power and control electronics for electric driveDNFB: Starter relay 1 Starter relay 2DNWB: Terminal 15 voltage supply relay DNNA: Starter relay 2
SC62	–	–
SC63	–	–
SC64	–	–
SC65	10A	Engine sound generator control unit
SC66	15A	Rear window wiper motor
SC67	30A	Amplitude modulation (AM) frequency filter Frequency modulation (FM) frequency filter in positive wire Heated rear window

Individual fuses

Assignment of the fuses in the instrument panel (Individual fuses)

№	Amps	Function/component
A	15A	Driver seat adjustment control unit Control unit for front right seat adjustment Control unit for front left seat adjustment
B	–	–
C	7.5A	USB charging socket 1 USB connection 1
D	–	–
E	–	–

Engine Compartment Fuse Box

Fuse Box Location

Press the locking tabs to release the cover.

Cupra Formentor (2020 - 2022) - fuse and relay box location - engine compartment — Cupra Formentor (2020 – 2022) – fuse and relay box location – engine compartment

Fuse Box Diagram

Cupra Formentor (2020 - 2022) - fuse and relay box diagram - engine compartment (holder B) — Cupra Formentor (2020 – 2022) – fuse and relay box diagram – engine compartment (holder B)

Assignment of the fuses in the engine compartment (Fuse holder B)

№	Amps	Function/component
SB1	80A	Power steering control unit
SB2	7.5A	ABS control unit DGEA, DNNA: Main relay Engine control unit
SB3	7,5A/10A/20A	Charging unit 1 for high-voltage battery Power and control electronics for electric drive Fuel pump control unitDNFB, DNNA: Engine component current supply relayDNWB: Starter relay 2
SB4	15A	Front left headlight
SB5	15A	Front right headlight
SB6	–	–
SB7	30A	Gearbox oil cooling pump
SB8	40A	Brake servo
SB9	15A	Horn relay
SB10	30A	Windscreen wiper motor
SB11	7,5A	Engine component current supply relay (PHEV Climate)
SB12	30A/15A	Mechatronic unit for dual clutch gearbox
SB13	25A	ABS control unit
SB14	20A	Engine component current supply relay (Heater)
SB15	40A	ABS control unit
SB16	50A	Mechatronic unit for dual clutch gearbox / PHEV
SB17	40A/50A	Auxiliary air heater element
SB18	40A	Auxiliary air heater element
SB19	–	–
SB20	15A	Axle differential lock control unit
SB21	7.5A	Engine control unit
SB22	30A	Starter
SB23	15A	Engine control unit
SB24	7,5A/10A	Regeneration air blower Oil level and oil temperature sender Radiator fan Engine component current supply relayDGEA: Activated charcoal filter solenoid valve 1 Exhaust camshaft control valve 1 Valve for oil pressure control Inlet camshaft control valve 1DNFB: Activated charcoal filter solenoid valve 1 Intake manifold flap valve Camshaft control valve 1 Turbocharger air recirculation valve Exhaust camshaft control valve 1 Valve for oil pressure control Inlet camshaft control valve 1 DNWB: Injector 2, cylinder 1~5 Secondary air pump relay Starter relay 2
SB25	7,5A/10A	DNFB: Cam adjustment actuator 1~8DGEA: Coolant circulation pump before power and control electronics for electric drive Heater coolant shut-off valve Coolant valve for gearbox Coolant changeover valve 1DNWB: Coolant shut-off valve Solenoid for coolant circuit
SB26	7,5A/10A	DNFB: Coolant valve for gearbox Exhaust flap control unit Exhaust flap control unit 2 Coolant circulation pumpDGEA: Charge air cooling pumpDNWB: Camshaft control valve 1 Exhaust camshaft control valve 1 Engine/motor control unit Exhaust cam actuator for cylinder 1~5 DNNA Coolant circulation pump
SB27	10A/15A	Lambda probe 1 after catalytic converter Lambda probe 1 before catalytic converter
SB28	10A/20A	2021-2022: Ignition coil 1~4 with output stage
SB29	15A/20A/30A	Fuel pump control unit
SB30	10A	Coolant pump for low-temperature circuit 2 DGEA: Auxiliary pump for heating Fuel tank shut-off valve DNWB: Oil level and oil temperature sender Charge pressure control solenoid valve Turbocharger air recirculation valve Crankcase breather valve Intake manifold flap valve Activated charcoal filter solenoid valve 1
SB31	–	–
SB32	–	–
SB33	40A	Auxiliary air heater element
R1		Main relay (petrol) Terminal 30 voltage supply relay (diesel)
R2		High heat output relay (diesel) Secondary air pump relay (petrol 2.0L/2.5L)
R3		Horn relay
R4		Starter relay 1
R5		Starter relay 2
R6		Engine component current supply relay (petrol 2.0L/2.5L) Fuel pump relay (petrol 1.5L) Air conditioning system relay (hybrid)
R7		Automatic glow period control unit (diesel)
R8		Low heat output relay (diesel)

Connection and Distribution Box 2 (SX2)

Assignment of the fuses in the engine compartment (Connection and Distribution Box 2 (SX2))

№	Amps	Function/Component
B1	–	Supply fuse holder A
D1	400A	Starter

Fuse Holder A (Hybrid drive)

Cupra Formentor (2020 - 2022) - fuse and relay box diagram - engine compartment (Holder A (Hybrid drive)) — Cupra Formentor (2020 – 2022) – fuse and relay box diagram – engine compartment (Holder A (Hybrid drive))

Assignment of the fuses in the engine compartment (Holder A (Hybrid drive))

№	Amps	Function/component
SA1	150A	Fuse holder B
SA2	50A	Radiator fan
SA3	200A	Auxiliary air heater element
SA4	125A	Fuse holder C
SA5	125A	Fuse holder C

Single fuse (JX1)

Assignment of the fuses in the engine compartment (Single fuse (JX1))

№	Amps	Function/component
A	80A	power and control electronics for electric drive

Single fuse (SX6)

Assignment of the fuses in the engine compartment (Single fuse (SX6))

№	Amps	Function/component
A	350A	Hybrid battery unit (switching unit for high-voltage battery)

Luggage Compartment Fuses

Fuse Holder A (2.5L petrol)

Cupra Formentor (2020 - 2022) - fuse and relay box diagram - luggage compartment (Holder A (2.5L petrol) — Cupra Formentor (2020 – 2022) – fuse and relay box diagram – luggage compartment (Holder A (2.5L petrol)

Assignment of the fuses in the luggage compartment (Holder A (2.5L petrol))

№	Amps	Function / component
A	125A	Fuse holder C, A1
B	80A	Fuse holder C, A2
C	–	not assigned
D	125A	Fuse 4 on fuse holder A Power steering control unit Fuse 1 on fuse holder B Fuse 2 on fuse holder B Main relay

Fuse Holder F (Hybrid)

Cupra Formentor (2020 - 2022) - fuse and relay box diagram - luggage compartment (Holder F (Hybrid)) — Cupra Formentor (2020 – 2022) – fuse and relay box diagram – luggage compartment (Holder F (Hybrid))

Assignment of the fuses in the luggage compartment (Holder F (Hybrid))

№	Amps	Function/component
A1A	175A	Fuse 3 on fuse holder A Relay and fuse carrier 1
B1A	–	–

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Toyota Highlander Hybrid (XU40; 2006 – 2007) – fuse and relay box diagram

Posted on 9 August 20165 October 2024 by admin

Toyota Highlander Hybrid (XU40; 2006 – 2007) – fuse and relay box diagram

Year of production: 2006, 2007

The 1st generation Toyota Highlander was produced in 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 with the U20 designation. In some countries it is known as Toyota Kluger V. In this publication we will show the locations of the electronic control units, describe in detail the fuses and relays of the Toyota Highlander 1 Kluger with box diagrams.

Engine compartment

Fuse Box Location

Fuse Box №1 Diagram

Toyota Highlander Hybrid - fuse box diagram - engine compartment (fuse box no.1) — Toyota Highlander Hybrid – fuse and relay box diagram – engine compartment (fuse box no.1)

Fuse Box №2 Diagram

Toyota Highlander Hybrid - fuse box diagram - engine compartment (fuse box no.2) — Toyota Highlander Hybrid – fuse and relay box diagram – engine compartment (fuse box no.2)

Fuse Box №3 Diagram

Toyota Highlander Hybrid - fuse box diagram - engine compartment (fuse box no.3) — Toyota Highlander Hybrid – fuse and relay box diagram – engine compartment (fuse box no.3)

Instrument panel

Fuse Box Location

Remove the lid to access.

Fuse Box Diagram

Fuses (type A)

Fuse		Ampere rating [A]	Circuit
1	ETCS	10	Hybrid system
2	DC/DC−S	10	Hybrid system
3	ABS NO.2	10	Electronically controlled brake system
4	ABS NO.1	10	Electronically controlled brake system
5	BATT FAN	15	Hybrid system
6	ABS NO.3	15	Electronically controlled brake system
7	OIL PUMP	10	Transmission fluid cooling system
8	ST	7,5	Hybrid system
9	RR HTR	15	Rear heater system
10	DRL	7,5	Daytime running light system
11	H−LP L LWR	15	Left−hand headlight (low beam)
12	H−LP L UPR	15	Left−hand headlight (high beam)
13	H−LP R UPR	15	Right−hand headlight (high beam)
14	PWR OUTLET NO.2	20	Power outlet (115 VAC)
15	TOWING	20	Trailer lights
16	HAZ	15	Turn signal lights, emergency flashers
17	SECURITY	15	Theft deterrent system
18	AM2 NO.1	30	“IGN”, “IG2” and “ST” fuses
19	MPX−B1	7,5	Electric power steering system
20	HORN	10	Horns
21	RADIO NO.1	25	Audio system
22	ECU−B NO.1	7,5	Theft deterrent system, air conditioning system, gauges and meters, electric moonroof, engine immobilizer system, multiplex communication system
23	DOME	10	Personal lights, interior lights, vanity lights, ignition switch light, wireless remote control system, gauges and meters, navigation system
24	DOOR NO.1	25	Power door lock system
25	A/F	25	Air/fuel control system
26	CRT	7,5	Rear seat entertainment system, navigation system screen
27	H−LP R LWR	15	Right−hand headlight (low beam)
28	INV W/P	15	Hybrid system
29	IGCT NO.5	10	Hybrid system
30	WATER PUMP	10	Air conditioning system
31	IGCT NO.4	10	Emission control system, transmission control system, air/ fuel control system
32	IGCT NO.3	10	Hybrid system, fuel pump
33	IGCT NO.2	10	Hybrid system
34	IGN	10	Meters and gauges, SRS airbag system, hybrid system, electronically controlled brake system, engine immobilizer system
35	RAD NO.2	7,5	Audio system, rear seat entertainment system, navigation system, air conditioning system, multiplex communication system
36	CIG	15	Cigarette lighter
37	P RR DOOR	20	Power windows
38	PWR OUTLET1	15	Power outlets (12 VDC)
39	FR FOG	20	Front fog lights
40	ECU−IG	10	Electronically controlled brake system, transmission control system, electric power steering system, theft deterrent system
41	WIPER	25	Windshield wipers
42	D RR DOOR	20	Power windows
43	D FR DOOR	25	Power windows, power door lock system, door courtesy light
44	S/ROOF	20	Electric moonroof
45	HEATER	10	Air conditioning system, rear heater system, rear window defogger, hybrid system
46	IG1	7,5	Hybrid system, power door lock system, multiplex communication system, airbag on−off indicator lights, turn signal lights, back−up lights, outside rear view mirror defoggers, auto anti−glare inside rear view mirror, power outlet (115 VAC), seat heaters, navigation system
47	RR WIP	15	Rear window wiper
48	STOP	20	Stop lights, high mounted stoplight, electronically controlled brake system, transmission control system, hybrid system
49	OBD	7,5	On−board diagnosis system
50	SEAT HTR	15	Seat heaters
51	IG2	15	Multiport fuel injection system/sequential fuel injection system, engine ignition system
52	WASHER	20	Windshield washer, rear window washer
53	FUEL OPN	7,5	Fuel filler door opening system
54	FR DEF	20	Windshield wiper deicer, rear view mirror defoggers
55	P FR DOOR	20	Power windows, door courtesy light
56	TAIL	10	Parking lights, tail lights, side marker lights, license plate lights, front fog lights
57	PANEL	7,5	Instrument panel lights

Fuses (type B)

Fuse		Ampere rating [A]	Circuit
58	ABS MTR2	30	Electronically controlled brake system
59	ABS MTR1	30	Electronically controlled brake system
60	HEATER	50	Air conditioning system, “WATER PUMP” fuse
61	RR HTR	30	Rear heater system
62	RR DEF	30	Rear window defogger
63	RDI FAN NO.1	40	Electric cooling fan
64	RDI FAN NO.2	40	Electric cooling fan
65	MAIN	40	“H−LP L LWR”, “H−LP L UPR”, “H−LP R LWR”, “H−LP R UPR” and “DRL” fuses
66	IGCT NO.1	50	“INV W/P”, “IGCT NO.2”, “IGCT NO.3”, “IGCT NO.4” and “IGCT NO.5” fuses
67	AM1	40	“ECU−IG”, “WASHER”, “IG1”, “WIPER”, “RR WIP”, “HEATER (10 A)”, “RAD NO.2” and “CIG” fuses
68	POWER	30	Power seat

Fuses (type C)

Fuse		Ampere rating [A]	Circuit
69	DC/DC	120	Hybrid system

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.