Toyota Highlander Fuse Box Locations and Diagrams (2000-2007)

The first-generation Toyota Highlander—also known as the Toyota Kluger in Japan and Australia—was produced from 2000 to 2007 under the model code XU20. As one of Toyota’s earliest mid-size crossover SUVs, it combined the driving dynamics of a car with the practicality and interior space of an SUV, making it a favorite among families and commuters during its run.

In this article, you will find fuse box diagrams for the Toyota Highlander, covering model years 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. These diagrams are useful for identifying fuse locations, diagnosing electrical issues, and replacing blown fuses and faulty relays.

What’s Included:

Fuse Box Diagrams – Visual layouts of the fuse and relay arrangements.
Fuse Panel Locations – Instructions on where to locate the fuse panels inside the vehicle (e.g., under the dashboard, in the engine bay).
Fuse Assignments – A detailed list of what each fuse and relay controls, helping with accurate troubleshooting and repair.

Whether you’re addressing a non-working accessory, headlight issue, or dashboard warning light, this guide will help you quickly locate and understand the fuse layout in your 2000–2007 Toyota Highlander (XU20).

What’s Included

Passenger Compartment

Fuse box location

The fuse box is located on the left side of the instrument panel, behind the cover to the left of the steering wheel.

The location of the fuses in the passenger compartment: Toyota Highlander (XU20; 2001-2007)

Fuse box diagram

Assignment of the fuses in the Passenger Compartment

№	Name	Amp	Protected components
1	IGN	7.5	2001-2003: Gauges and meters, SRS airbag system
1	IGN	10	2004-2007: Gauges and meters, SRS airbag system, multiport fuel injection system/sequential multiport fuel injection system, front passenger occupant classification system
2	RADIO NO.2	7.5	Audio system, shift lock system, navigation system, rear seat entertainment system, air conditioning system, multiplex communication system
3	CIG	15	Cigarette lighter
4	D RR DOOR	20	2001-2003: Power windows
4	P RR DOOR	20	2004-2007: Power windows
5	PWR OUTLET	15	Power outlets
6	FR FOG	10	2001-2003: Front fog lights
6	FR FOG	20	2004-2007: Front fog lights
7	SRS-IG	15	2001-2003: SRS airbag system
8	ECU-IG	15	2001-2003: Electric moon roof, anti-lock brake system, vehicle skid control system, shift lock system, charging system, cruise control system, emergency flashers, starting system
8	ECU-IG	10	2004-2007: Electric moon roof, anti-lock brake system, vehicle stability control system, shift lock system, charging system, starting system
9	WIPER	25	Windshield wipers and washer
10	P RR DOOR	20	2001-2003: Power windows
10	D RR DOOR	20	2004-2007: Power windows
11	P FR DOOR	25	2001-2003: Power windows, door courtesy lights, power door lock system
11	D FR DOOR	25	2004-2007: Power windows, door courtesy lights, power door lock system
12	S/ROOF	20	Electric moon roof
13	HEATER	15	2001-2003: Air conditioning system, electric cooling fan, rear defogger, outside rear view mirror defogger, gauges and meters
13	HEATER	10	2004-2007: Air conditioning system, electric cooling fan, rear window defogger, outside rear view mirror defogger, gauges and meters
14	IG1	7.5	Back up lights, vehicle skid control system, multiport fuel injection system/sequential multiport fuel injection system, outside rear view mirror heaters, power door lock system, wireless remote control system, navigation system, multiplex communication system
15	RR WIP	15	Rear window wiper
16	STOP	20	Stop lights, high mounted stoplight, anti-lock brake system, vehicle skid control system, shift lock system, cruise control system, multiport fuel injection system/sequential multiport fuel injection system, trailer lights, multiplex communication system
17	OBD	7.5	On-board diagnosis system
18	SEAT HTR	15	Seat heaters
19	IG2	15	Multiport fuel injection system/sequential multiport fuel injection system, charging system, starter system
20	WASHER	20	Washer fluid level warning light
21	RR FOG	7.5	Rear fog lights
22	FR DEF	20	Air conditioning system, outside rear view mirror defoggers
23	D FR DOOR	20	2001-2003: Power windows, door courtesy lights
23	P FR DOOR	20	2004-2007: Power windows, door courtesy lights, multiplex communication system
24	TAIL	10	Tail lights, license plate lights, instrument panel lights, front fog lights, front side marker lights, rear side marker lights, parking lights
25	PANEL	7.5	Instrument panel lights, trailer lights
26	AM1	40	Multiport fuel injection system/sequential multiport fuel injection system, starting system
27	POWER	30	Power seat

№	Relay
R1	Tail Lights
R2	Fog Lights
R3	Accessory Relay (ACC)

Relay Box

№	Relay
R1	Circuit Opening Relay
R2	Seat Heater Relay
R3	Deicer Relay

Engine Compartment

Fuse box location

The fuse box is located in the engine compartment (left-side).

The location of the fuses in the engine compartment: Toyota Highlander (XU20; 2001-2007)

Fuse box diagram

Assignment of the fuses in the Engine Compartment

№	Name	Amp	Protected components
1	–	–	–
2	–	–	–
3	A/F	25	2004-2007: Air fuel ratio sensor
4	CRT	7.5	2004-2007: Rear seat entertainment system, navigation system
5	STARTER	7.5	2004-2007: Multiport fuel injection system/sequential multiport fuel injection system
6	STARTER	7.5	2001-2003: Multiport fuel injection system/sequential multiport fuel injection system
7	ABS3	7.5	2001-2003: Vehicle skid control system
7	EFI NO.2	10	2004-2007: Multiport fuel injection system/sequential multiport fuel injection system
8	HEAD LP RH LWR	15	2001-2003: Right-hand headlight (low beam)
8	ETCS	10	2004-2007: Multiport fuel injection system/sequential multiport fuel injection system
9	HEAD LP LH LWR	15	2001-2003: Left-hand headlight (low beam)
9	RR HTR	15	2004-2007: Rear air conditioning system
10	A/F	25	2001-2003: Air fuel ratio sensor
10	H-LP RH LWR	15	2004-2007: Right-hand headlight (low beam)
11	H-LP LH LWR	15	2004-2007: Left-hand headlight (low beam)
12	ALT-S	7.5	Charging system
13	POWER OUTLET2	20	2004-2007: Power outlets
14	TOWING	20	Trailer lights
15	HORN	10	Horns
16	SECURITY	15	Theft deterrent system
17	HEAD LP RH UPR	10	2001-2003: Right-hand headlight (high beam)
17	H-LP RH UPR	10	2004-2007: Right-hand headlight (high beam)
18	ECU-B	7.5	Theft deterrent system, air conditioning system, vehicle skid control system, gauges and meters, wireless remote control system, power door lock, multiplex communication system, electronic moon roof, front passenger occupant classification system
19	EFI	20	2001-2003: Multiport fuel injection system/sequential multiport fuel injection system, fuel pump, engine immobiliser system
19	EFI NO.1	20	2004-2007: Multiport fuel injection system/sequential multiport fuel injection system, fuel pump
20	DOOR LOCK	25	Power door lock system, theft deterrent system
21	HEAD LP LH UPR	10	2001-2003: Left-hand headlight (high beam)
21	H-LP LH UPR	10	2004-2007: Left-hand headlight (high beam)
22	RADIO NO.1	25	Audio system
23	DOME	10	Personal light, interior lights, vanity mirror lights, ignition switch light, wireless remote control system, gauges and meters, navigation system
24	–	–	Short
25	HAZARD	15	Emergency flashers, instrument panel light, trailer lights
26	SPARE	7.5	Spare fuse
27	SPARE	15	Spare fuse
28	SPARE	25	Spare fuse
29	MAIN	40	2001-2003: “HEAD LP RH LWR”, “HEAD LP LH LWR”, “HEAD LP RH UPR” and “HEAD LP LH UPR” fuses 2004-2007: “H-LP RH LWR”, “H-LP LH LWR”, “H-LP RH UPR” and “H-LP LH UPR” fuses
30	AM2	30	Multiport fuel injection system/sequential multiport fuel injection system, starting system
31	ABS2	40	2001-2003: Anti-lock brake system, vehicle stability control system
31	ABS2	50	2004-2007: Anti-lock brake system, vehicle stability control system
32	ABS1	40	2001-2003: Anti-lock brake system, vehicle stability control system
32	ABS1	30	2004-2007: Anti-lock brake system, vehicle stability control system
33	HEATER	50	2001-2003: Air conditioning system
33	HTR	50	2004-2007: Air conditioning system
34	RDI	30	Electric cooling fans
35	RR DEF	30	Rear window defoggers
36	CDS	30	Electric cooling fans
37	ALT	140	“ABS1”, “ABS2”, “RDI”, CCDS”, “RR DEF”, “HEATER”, “AM1”, “AM2”, “CTAIL”, “PANEL”, “STOP”, D”S/ROOF” and D”SEAT HTR” fuses
38	RDI	50	No circuit

Relay
R1			Electric cooling fans (FAN NO.1)
R2			Starter
R3			Electric cooling fans (FAN N0.3)
R4			Air fuel ratio sensor (A/F)
R5			Inverter
R6			–
R7			Electric cooling fans (FAN N0.2)
R8			–
R9			Air conditioner compressor clutch (MG CLT)
R10			Horn
R11			EFI
R12			Rear windshield defogger
R13			Headlight (HEAD LAMP)
R14			–

ABS Relay Box

№	Name	Amp	Protected components
1	–	–	–

Relay
R1			–
R2			ABS CUT
R3			ABS MTR

Additional Fuse Box (if equipped)

Additional Fuse Box: Toyota Highlander (2001, 2002, 2003, 2004, 2005, 2006, 2007)

№	Name	Amp	Protected components
1	DRL	7.5	Daytime running light system

Relay
R1			Daytime running light system (DRL No.2)
R2			Daytime running light system (DRL No.4)
R3			Daytime running light system (DRL No.3)

FAQ

Which fuses control the cigar lighter and power outlets in the Toyota Highlander?

The fuses controlling the cigar lighter and power outlets in the Toyota Highlander are:

Fuse #3 “CIG” – for the cigarette lighter
Fuse #5 “PWR OUTLET1” – for the power outlets

Both are located in the instrument panel fuse box.