Toyota Sienna Fuse Box Locations and Diagrams (1997-2003)

The first-generation Toyota Sienna (Model Code: XL10), produced from 1997 to 2003, marked Toyota’s entry into the North American minivan market with a front-wheel-drive platform based on the Camry. Known for its smooth ride, reliability, and efficient V6 engine, the XL10 Sienna became a practical and family-friendly option, earning a reputation for long-term dependability.

In this article, you will find fuse box diagrams for the Toyota Sienna, covering model years 1997, 1998, 1999, 2000, 2001, 2002, and 2003. These diagrams offer crucial information for identifying and understanding the location and function of each fuse and relay.

What’s Included:

Fuse Box Diagrams – Visual layouts that clearly label each fuse and relay for accurate identification.
Fuse Panel Locations – Step-by-step assistance in locating the fuse boxes inside the cabin and engine compartment.
Fuse Assignments – Descriptions of each fuse and relay’s purpose, aiding in diagnostics and repairs.

Whether you’re replacing a blown fuse or troubleshooting an electrical issue, this guide provides the detailed information you need to keep your Toyota Sienna (1997–2003) running reliably and safely.

What’s Included

Fuse Box Locations

Passenger Compartment

It is located behind the cover to the left and below the steering wheel. To the left of it, there is another fuse, to access it, you need to remove the panel under the steering wheel.

Engine Compartment

There are two fuse boxes near the battery.

Fuse Box Diagrams

1997, 1998, 1999 and 2000

Passenger Compartment

Instrument panel fuse box diagram: Toyota Sienna (1998, 1999, 2000)

Assignment of the fuses in the instrument panel (1997-2000)

№	Name	Amp	Description
17	HEATER	10A	Air conditioning system, rear window defogger
18	GAUGE	10A	Gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning light), power windows, daytime running light system, back-up lights
19	WIPER	20A/25A	Windshield wipers and washer (1998-1999 – 20A; 2000 – 25A)
20	MIRROR-HEATER	10A	Multiport fuel injection system/sequential multiport fuel injection system, outside rear view mirror defogger
21	ECU-IG	15A	Cruise control system, anti-lock brake system, locking with wireless remote control system, theft deterrent system
22	IGN	5A	Gauges and meters, charging system, SRS airbag system, seat belt pretensioners, multiport fuel injection system/sequential multiport fuel injection system
23	STOP	15A	Stop lights, cruise control system, high-mounted stoplight, tail lights
24	TAIL	10A	Parking lights, front side marker lights, license plate lights, tail lights
25	PWR-VENT	15A	Power rear quarter windows
26	OBD	7.5A	On-board diagnosis system
27	PWR-OUTLET	15A	Power outlet
28	STARTER	5A	Gauges and meters, SRS airbag system, seat belt pretensioners, multiport fuel injection system/ sequential multiport fuel injection system
29	DOOR	20A	Power door lock system, theft deterrent system
30	PANEL	7.5A	Gauge and meter, car audio system, clock, air conditioning system, instrument panel light control, rear window defogger, electronically controlled automatic transmission system, emergency flashers, parking lights
31	TURN	7.5A	Turn signal lights, emergency flashers
32	RADIO №2	7.5A	Car audio system
33	CIG	15A	Cigarette lighter, clock, power rear view mirror controls, SRS airbag system, seat belt pretensioners, back-up lights, theft deterrent system
34	A/C	5A	Air conditioning system
43	DEF	30A	Rear window defogger, ’’MIRROR-HEATER” fuse
44	AM1	40A	“INP” fuse
45	PWR	30A	Power windows, electric moon roof, power seat, power sliding door, “PWR-VENT” fuse

Engine Compartment Fuse Box #1

Under-hood fuse box #1 diagram: Toyota Sienna (1998, 1999, 2000)

Assignment of the fuses in the Fuse Box #1 (1997-2000)

№	Name	Amp	Description
1	–		Spare fuse
2	–		Spare fuse
3	–		Spare fuse
4	ALT-S	5A	Charging system
5	H-LP RH	15A	Right-hand headlight
6	EFI	15A	Multiport fuel injection system/sequential multiport fuel injection system
7	HORN	10A	Horn, theft deterrent system
8	HAZ	10A	Emergency flashers
9	AM2	30A	“IGN” and “STARTER” fuses
10	H-LP LH	15A	Left-hand headlight
11	RADIO №.1	20A	Car audio system
12	DOME	10A	Clock, personal lights, vanity mirror lights, door courtesy lights, luggage compartment light, open door warning light, ignition switch light, theft deterrent system, daytime running light system, interior lights
13	ECU-B	10A	Cruise control system, SRS airbag warning light, power sliding door
35	A/F HTR	25A	EFI system
38	CDS FAN	30A/40A	Electric cooling fans (with towing package – 40A; without towing package – 30A)
39	RDI FAN	30A/40A	Electric cooling fans (with towing package – 40A; without towing package – 30A)
40	MAIN	40A	“DRL”, “H-LP RH” and “H-LP LH” fuses
41	R/R A/C	40A	Rear air conditioning system
42	HTR	50A	Air conditioning system
46	ALT	140A	Charging system, “FL ABS”, “INP”, “HTR” and “R/R A/C” fuses
47	INP	100A	“AM1” and “DEF” fuses

Engine Compartment Fuse Box #2

Under-hood fuse box #2 diagram: Toyota Sienna (1998, 1999, 2000)

Assignment of the fuses in the Fuse Box #2 (1997-2000)

№	Name	Amp	Description
14	DRL	5A	Daytime running light system
15	H-LP LH (LWR)	10A	Left-hand headlight (low beam)
16	H-LP RH (LWR)	10A	Right-hand headlight (low beam)
48	FL ABS	60A	Anti-lock brake system

2001, 2002 and 2003

Passenger Compartment

Instrument panel fuse box diagram: Toyota Sienna (2001, 2002, 2003)

Assignment of the fuses in the instrument panel (2001-2003)

№	Name	Amp	Description
22	HEATER	10A	Air conditioning system, rear window defogger
23	GAUGE	10A	Gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning light), power windows, daytime running light system, back-up lights, power sliding door, auto antiglare inside rear view mirror, compass
24	WIPER	25A	Windshield wipers and washer, rear window wiper and washer
25	MIRROR-HEATER	10A	Multiport fuel injection system/sequential multiport fuel injection system, outside rear view mirror defogger
26	ECU-IG	15A	Cruise control system, anti-lock brake system, vehicle skid control system, locking with wireless remote control system, theft deterrent system
27	IGN	5A	Gauges and meters, charging system, SRS airbag system, seat belt pretensioners, multiport fuel injection system/sequential multiport fuel injection system
28	STOP	15A	Stop lights, cruise control system, high-mounted stoplight, tail lights
29	TAIL	10A	Parking lights, front side marker lights, license plate lights, tail lights, power sliding door
30	PWR-VENT	15A	Power rear quarter windows
31	OBD	7.5A	On-board diagnosis system
32	PWR-OUTLET	15A	Power outlets
33	STARTER	5A	Multiport fuel injection system/sequential multiport fuel injection system
34	DOOR	25A	Power door lock system, theft deterrent system
35	PANEL	7.5A	Gauge and meter, car audio system, clock, air conditioning system, instrument panel light control, rear window defogger, electronically controlled automatic transmission system, emergency flashers, parking lights, seat heaters, power rear quarter windows, power sliding door
36	TURN	7.5A	Turn signal lights, emergency flashers
37	RADIO №2	7.5A	Car audio system
38	CIG	15A	Cigarette lighter, clock, power rear view mirror controls, SRS airbag system, seat belt pretensioners, back-up lights, theft deterrent system, air conditioning system
39	A/C	5A	Front air conditioning system
49	DEF	30A	Rear window defogger, “MIRROR-HEATER” fuse
50	PWR	30A	Power windows, electric moon roof, power seat, power sliding door (right side), “PWR-VENT” fuse
51	AM1	40A	“CIG”, “RADIO №2”, “ECU-IG”, “WIPER”, “HEATER”, “GAUGE” and “TURN” fuses

Engine Compartment Fuse Box #1

Under-hood fuse box #1 diagram: Toyota Sienna (2001, 2002, 2003)

Assignment of the fuses in the Fuse Box #1 (2001-2003)

№	Name	Amp	Description
1	SEAT HTR	20A	Seat heaters
2	A/F HTR	25A	Air fuel ratio sensor
3	SPARE		Spare fuse
4	SPARE		Spare fuse
5	SPARE		Spare fuse
6	ALT-S	5A	Charging system
7	HEAD (RH)	15A	Right-hand headlight (high beam)
8	EFI	15A	Multiport fuel injection system/sequential multiport fuel injection system
9	HORN	10A	Horn, theft deterrent system
10	HAZARD	10A	Emergency flashers
11	AM2	30A	“IGN” and “STARTER” fuses
12	HEAD (LH)	15A	Left-hand headlight (high beam)
13	RADIO №1	20A	Car audio system
14	DOME	10A	Clock, personal lights, vanity mirror lights, door courtesy lights, luggage compartment light, open door warning light, ignition switch light, theft deterrent system, daytime running light system, interior lights, air conditioning system, wireless remote control, garage door opener
15	ECU-B	10A	Cruise control system, SRS warning light, power sliding door
42	CDS	30A/40A	Electric cooling fans (with towing package – 40A; without towing package – 30A)
43	RDI	30A/40A	Electric cooling fans (with towing package – 40A; without towing package – 30A)
44	MAIN	40A	Daytime running light system, “H-LP RH (LO)” and “H-LP LH (LO)” fuses
45	R/R A/C	40A	Rear air conditioning system
46	HTR	50A	Front air conditioning system
52	ALT	140A	Charging system, “FL ABS”, “INP”, “HTR” and “R/R A/C” fuses
53	INP	100A	“AM1” and “DEF” fuses

Engine Compartment Fuse Box #2

Under-hood fuse box #2 diagram: Toyota Sienna (2001, 2002, 2003)

Assignment of the fuses in the Fuse Box #2 (2001-2003)

№	Name	Amp	Description
16	FOG	20A	Front fog lights
17	ABS №3	25A	Vehicle skid control system
18	ABS №2	25A	Vehicle skid control system
19	H-LP LH (LO)	10A	Left-hand headlight (low beam)
20	H-LP RH (LO)	10A	Right-hand headlight (low beam)
21	ABS №4	5A	Vehicle skid control system
47	PWR SLD	30A	Power sliding door (left side)
48	Rr CLR	40A	Rear air conditioning system
54	FL ABS	60A	Anti-lock brake system

FAQ

Which fuses control the cigar lighter and power outlet in the Toyota Sienna?

In the Toyota Sienna, the 12 V auxiliary power system is covered by two fuses located in the Instrument Panel Fuse Box:

Fuse labeled “PWR‑OUTLET” – protects the auxiliary power outlet (12 V power socket)
Fuse labeled “CIG” – dedicated to the cigar lighter / cigarette socket

If your front power socket or cigar lighter stops working, check these fuses first and replace them if they are blown using the correct amp rating specified in your vehicle’s manual.