1999-2003 Lexus RX300 (XU10) fuse box diagram

This article focuses on the first-generation Lexus RX (XU10), manufactured from 1999 to 2003. It provides fuse box diagrams for the Lexus RX 300 from 1999 to 2003, details the locations of the fuse panels inside the vehicle, and explains the function of each fuse.

Cigar lighter (power outlet) fuses in the Lexus RX300 are the fuses #24 “CIG” (Cigarette lighter) and #26 “PWR OUTLET” (Power outlets) in the Instrument panel fuse box.

Engine Compartment

2TOWING20Trailer lights
3H-LP R LWR15Right-hand headlight (low beam)
4H-LP L LWR15Left-hand headlight (low beam)
5HAZARD15Emergency flashers, Turn signal lights
6AM220Starting system
8FL DOOR20Power door lock system
9SPARE7.5Spare fuse
10SPARE15Spare fuse
11SPARE25Spare fuse
12ALT-S7.5Charging system
13HORN10Theft deterrent system, Horn
14EFI20Multiport fuel injection system/Sequential multiport fuel injection system
15DOME10Interior light, Vanity lights, Foot lights, Rear personal light, Gauges and meters, Multi-display
16ECU-B7.5Multiplex computer
17RAD NO.125Audio system
18ABS 37.5Anti-lock brake system
19H-LP R UPR15Right-hand headlight (high beam)
20H-LP L UPR15Left-hand headlight (high beam)
21A/F HTR25Air fuel ratio sensor
46ABS60Anti-lock brake system
47ALT140Charging system
48RDI40Cooling fan system
49CDS40Cooling fan system
50RR DEF30Rear window and outside rear view mirror defogger
52MAIN50Starting system

Relay Box

1DRL7.5Daytime running light system

Passenger Compartment

22IGN7.5SRS system, Multiport fuel injection/Sequential multiport fuel injection system
23RADIO NO.27.5Audio system, Multiplex computer
24CIG15Cigarette lighter, Outside rear view mirrors, Power door lock system
25D RR DOOR20Rear door lock, Rear power window
26PWR OUTLET15Power outlets
27FR FOG15Fog lights
28SRS-IG15SRS system
29ECU-IG15Telephone, Inside rear view mirror, Anti-lock brake system, Traction control system, Multi-display
30WIPER25Windshield wipers
31P RR DOOR20Rear door lock, Rear power window
32P FR DOOR20Front door lock, Front power window
33S/ROOF20Moon roof
34HEATER15Air conditioning system
35GAUGE7.5Multiplex computer, Service reminder indicators
36RR WIP15Rear window wiper
37STOP20Stop lights, High mounted stoplight, Anti-lock brake system, Traction control system
38OBD7.5On-board diagnosis system
39SEAT HTR15Seat heater system
40STARTER7.5Starting system
42RR FOG7.5No circuit
43FR DEF20Rear window and outside rear view mirror defogger
44TAIL10Tail lights, Side marker lights, License plate lights, Parking lights
45PANEL7.5Instrument panel lights
53AM140Ignition system
54POWER30Power seats
Next Post: 2003-2009 Lexus RX330 / RX350 (XU30) fuse box diagram

Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.

Leave a comment