The third-generation Toyota MR2 , also known as the Toyota MR2-S , MR2 Spyder , MR2 Roadster , or MR Roadster (Model Code: W30 ), was produced from 1999 to 2007 . This lightweight, mid-engine convertible became a favorite among driving enthusiasts for its balanced handling, spirited performance, and open-top motoring experience.
In this article, you will find fuse box diagrams for the Toyota MR2 Spyder , covering model years 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007 . These diagrams are designed to assist you in identifying the function of each fuse and relay within your vehicle’s electrical system.
What’s Included:
Fuse Box Diagrams – Clear layouts showing the location and function of each fuse and relay.Fuse Panel Locations – Information on where to find fuse boxes within the car, such as under the dash or in the engine bay.Fuse Assignments – Descriptions of what each fuse controls, aiding in diagnostics and component replacement.
Whether you’re dealing with a blown fuse or conducting electrical troubleshooting, this guide is a valuable resource for maintaining your Toyota MR2 Spyder (1999–2007) and ensuring all systems continue to perform reliably.
It is located behind the cover on the left side of the dashboard.
The fuse box is located near the battery.
There are two fuse blocks – one to the right of the trunk compartment, the other under the trunk lining.
Assignment of the fuses in the instrument panel
№ Name Amp Description 9 WASHER 10A Windshield wiper and washer 10 HTR 10A Air conditioning system 11 WIPER 20A Windshield wiper and washer 12 ECU-IG 7.5A Power Steering system, anti-lock brake system 13 FAN-IG 7.5A Electric cooling fans 14 TURN 7.5A Turn signal lights, emergency flashers 15 GAUGE 7.5A Power window system, gauges and meters, back-up lights, charging system, rear window defogger system 16 SRS 7.5A SRS airbag system 17 DEF 25A Rear window defogger system 18 OBD 7.5A On-board diagnosis system 19 AM1 7.5A “GAUGE”, “ACC”, “TURN”, “ECU-IG”, “WIPER”, “WASHER”, “SRS”, “HTR 10A”, “FAN-IG” fuses 20 ACC 25A “RADIO2”, “CIG” fuses 21 DOOR 15A Power door lock system 22 FR FOG 15A Front fog light 23 STOP 15A Stop lights, high mounted stop light, sequential manual transmission system 24 TAIL 20A “TAIL2”, “PANEL” fuses 25 D P/W 20A Power window system 26 P P/W 20A Power window system 27 RADIO1 15A Power antenna, radio 28 DOME 10A Clock 29 ECU-B 10A Daytime running light system, gauges and meters 30 TAIL2 10A Taillights, parking lights, license plate lights, gauges and meters 31 PANEL 7.5A Clock, illuminations 32 RADIO2 7.5A Gauges and meters, outside rear view mirror system, clock 33 CIG 15A Cigarette lighter 34 I/UP 7.5A Engine idle up system
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Assignment of the fuses in the engine compartment
№ Name Amp Description 35 ALT-S 7.5A Charging system 36 ECU-B1 25A “ECU-B”, “DOME” fuses 37 SMT-B 10A 1999-2001: Not Used; 38 HORN 10A Horn 39 HAZ 15A Turn signal lights, emergency flashers 40 AM2 15A Starter system, multiport fuel injection system/sequential multi-port fuel injection system, SRS airbag system 41 IG2 15A Ignition system, multiport fuel injection system/sequential multi-port fuel injection system 42 EFI1 15A Multiport fuel injection system/sequential multiport fuel injection system, engine immobilizer system 43 ETCS 15A 1999-2001: Not Used; 44 HPU 30A 1999-2001: Not Used; 45 DRL №.1 7.5A 1999-2002: Daytime running light system 45 HEAD RH LWR 10A 2003-2007: Right-hand headlight (low beam) 46 DRL №.2 20A 1999-2002: “HEAD LH LWR”, “HEAD RH LWR”, “HEAD LH UPR”, “HEAD RH UPR” fuses 46 HEAD LH LWR 10A 2003-2007: Left-hand headlight (low beam) 47 EFI2 7.5A Multiport fuel injection sys-tem/sequential multiport fuel injection system 48 ST 7.5A Starter system 49 SMT-IG 10A 1999-2001: Not Used; 50 DRL №.1 7.5A 1999-2002: Not Used; 53 MAIN 40A 1999-2002: Starter system, “DRL”, “DRL NO.2” fuses; 54 HTR 40A Air conditioning system 55 ALT 100A “AM1”, “D P/W”, “P P/W”, “DOOR”, “STOP”, “EHPS”, “DEF”, “TAIL1”, “OBD”, “HTR 40A” fuses
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Assignment of the fuses in the trunk
№ Name Amp Description 1 – 30A Spare fuse 2 – 15A Spare fuse 3 – 20A Spare fuse 4 RDI FAN 30A Electric cooling fans 5 ABS1 20A/30A Anti-lock brake system (1999-2002 – 20A; 2003-2007 – 30A) 6 CDS FAN 30A Electric cooling fans 7 HEAD LH UPR 10A Left-hand headlight (high beam) 8 HEAD RH UPR 10A Right-hand headlight (high beam) 7a HEAD LH LWR 10A 1999-2002: Left-hand headlight (low beam); 8a HEAD RH LWR 10A 1999-2002: Right-hand headlight (low beam); 51 ABS2 40A/50A Anti-lock brake system (1999-2002 – 40A; 2003-2007 – 50A) 52 EHPS 50A Power steering system
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