Toyota Highlander Hybrid Fuses (2005-2007)

The first-generation Toyota Highlander Hybrid—also known as the Toyota Kluger Hybrid in Australia—was produced from 2005 to 2007 under the model code MHU28. As Toyota’s first mid-size SUV to feature hybrid technology, it combined the spaciousness and versatility of a crossover with the fuel efficiency of a hybrid powertrain, setting a new standard for eco-friendly family vehicles.

In this article, you will find fuse box diagrams for the Toyota Highlander Hybrid, covering model years 2005, 2006, and 2007. These diagrams are essential for understanding the fuse layout, helping you locate, inspect, or replace fuses and relays related to key electrical systems.

What’s Included:

Fuse Box Diagrams – Detailed visuals showing the arrangement of fuses and relays.
Fuse Panel Locations – Step-by-step guidance on where to find fuse panels inside the vehicle.
Fuse Assignments – A complete breakdown of what each fuse and relay controls, aiding in diagnostics and repairs.

Whether you’re replacing a faulty fuse or troubleshooting an electrical issue, this guide will help you maintain the performance and reliability of your Toyota Highlander Hybrid (2005–2007).

What’s Included

Passenger Compartment

Fuse box location

Remove the lid to access.

Location of the fuses in the passenger compartment: Toyota Highlander Hybrid (XU20; 2006-2007)

Fuse box diagram

Assignment of the fuses in the instrument panel

№	Name	Amp	Description
34	IGN	10A	Meters and gauges, SRS airbag system, hybrid system, electronically controlled brake system, engine immobilizer system
35	RAD №2	7.5A	Audio system, rear seat entertainment system, navigation system, air conditioning system, multiplex communication system
36	CIG	15A	Cigarette lighter
37	P RR DOOR	20A	Power windows
38	PWR OUTLET1	15A	Power outlets (12V DC)
39	FR FOG	20A	Front fog lights
40	ECU-IG	10A	Electronically controlled brake system, transmission control system, electric power steering system, theft deterrent system
41	WIPER	25A	Windshield wipers
42	D RR DOOR	20A	Power windows
43	D FR DOOR	25A	Power windows, power door lock system, door courtesy light
44	S/ROOF	20A	Electric moonroof
45	HEATER	10A	Air conditioning system, rear heater system, rear window defogger, hybrid system
46	IG1	7.5A	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	15A	Rear window wiper
48	STOP	20A	Stop lights, high mounted stoplight, electronically controlled brake system, transmission control system, hybrid system
49	OBD	7.5A	On-board diagnosis system
50	SEAT HTR	15A	Seat heaters
51	IG2	15A	Multiport fuel injection system/sequential fuel injection system, engine ignition system
52	WASHER	20A	Windshield washer, rear window washer
53	FUEL OPN	7.5A	Fuel filler door opening system
54	FR DEF	20A	Windshield wiper deicer, rear view mirror defoggers
55	P FR DOOR	20A	Power windows, door courtesy light
56	TAIL	10A	Parking lights, tail lights, side marker lights, license plate lights, front fog lights
57	PANEL	7.5A	Instrument panel lights
67	AM1	40A	Fuses: “ECU-IG”, “WASHER”, “IG1”, “WIPER”, “RR WIP”, “HEATER (10 A)”, “RAD №2” and “CIG”
68	POWER	30A	Power seat

Engine Compartment

Fuse box location

Fuse box diagram No.1

Under-hood fuse box #1 diagram: Toyota Highlander Hybrid (XU20; 2006-2007)

Assignment of the fuses in the Fuse Box No.1

№	Name	Amp	Description
1	ETCS	10A	Hybrid system
2	DC/DC-S	10A	Hybrid system
3	ABS №2	10A	Electronically controlled brake system
4	ABS №1	10A	Electronically controlled brake system
5	BATT FAN	15A	Hybrid system
6	ABS №3	15A	Electronically controlled brake system
7	OIL PUMP	10A	Transmission fluid cooling system
8	ST	7.5A	Hybrid system
9	RR HTR	15A	Rear heater system
58	ABS MTR2	30A	Electronically controlled brake system
59	ABS MTR1	30A	Electronically controlled brake system

Fuse box diagram No.2

Under-hood fuse box #2 diagram: Toyota Highlander Hybrid (XU20; 2006-2007)

Assignment of the fuses in the Fuse Box No.2

№	Name	Amp	Description
10	DRL	7.5A	Daytime running light system
11	H-LP L LWR	15A	Left-hand headlight (low beam)
12	H-LP L UPR	15A	Left-hand headlight (high beam)
13	H-LP R UPR	15A	Right-hand headlight (high beam)
14	PWR OUTLET №2	20A	Power outlet (115V AC)
15	TOWING	20A	Trailer lights
16	HAZ	15A	Turn signal lights, emergency flashers
17	SECURITY	15A	Theft deterrent system
18	AM2 №1	30A	Fuses: “IGN”, “IG2” and “ST”
19	MPX-B1	7.5A	Electric power steering system
20	HORN	10A	Horns
21	RADIO №1	25A	Audio system
22	ECU-B №1	7.5A	Theft deterrent system, air conditioning system, gauges and meters, electric moonroof, engine immobilizer system, multiplex communication system
23	DOME	10A	Personal lights, interior lights, vanity lights, ignition switch light, wireless remote control system, gauges and meters, navigation system
24	DOOR №1	25A	Power door lock system
25	A/F	25A	Air/fuel control system
26	CRT	7.5A	Rear seat entertainment system, navigation system screen
27	H-LP R LWR	15A	Right-hand headlight (low beam)
28	INV W/P	15A	Hybrid system
29	IGCT №5	10A	Hybrid system
60	HEATER	50A	Air conditioning system, “WATER PUMP” fuse
61	RR HTR	30A	Rear heater system
62	RR DEF	30A	Rear window defogger
63	RDI FAN №1	40A	Electric cooling fan
64	RDI FAN №2	40A	Electric cooling fan
65	MAIN	40A	Fuses: “H-LP L LWR”, “H-LP L UPR”, “H-LP R LWR”, “H-LP R UPR” and “DRL”
66	IGCT №1	50A	Fuses: “INV W/P”, “IGCT №2”, “IGCT №3”, “IGCT №4” and “IGCT №5”
69	DC/DC	120A	Hybrid system

Fuse box diagram No.3

Under-hood fuse box #3 diagram: Toyota Highlander Hybrid (XU20; 2006-2007)

Assignment of the fuses in the Fuse Box No.3

№	Name	Amp	Description
30	WATER PUMP	10A	Air conditioning system
31	IGCT №4	10A	Emission control system, transmission control system, air/fuel control system
32	IGCT №3	10A	Hybrid system, fuel pump
33	IGCT №2	10A	Hybrid system