1999–2003 Lexus RX 300 Description Fuses

Fuse box locations

  1. Engine compartment
  2. Engine compartment
  3. Driver’s side instrument panel

Passenger compartment fuse box



Fuses Specifications
No. Name A Description
22 IGN 7.5 SRS system, Multiport fuel injection/Sequential multiport fuel injection system
23 RADIO NO,2 7.5 Audio system, Multiplex computer
24 CIG 15 Cigarette lighter, Outside rear view mirrors, Power door lock system
25 D RR DOOR 20 Rear door lock, Rear power window
26 PWR OUTLET 15 Power outlets
27 FR FOG 15 Fog lights
28 SRS-IG 15 SRS system
29 ECU-IG 15 Telephone, Inside rear view mirror, Anti-lock brake system, Traction control system, Multi-display
30 WIPER 25 Windshield wipers
31 P RR DOOR 20 Rear door lock, Rear power window
32 P FR DOOR 20 Front door lock, Front power window
33 S/ROOF 20 Moon roof
34 HEATER 15 Air conditioning system
35 GAUGE 7.5 Multiplex computer, Service reminder indicators
36 RR WIP 15 Rear window wiper
37 STOP 20 Stop lights, High mounted stoplight, Anti-lock brake system, Traction control system
38 OBD 7.5 On-board diagnosis system
39 SEAT HTR 15 Seat heater system
40 STARTER 7.5 Starting system
41 WASHER 10 1999: Washer
20 2000-2003: Washer
42 RR FOG 7.5 No circuit
43 FR DEF 20 Rear window and outside rear view mirror defogger
44 TAIL 10 Tail lights, Side marker lights, License plate lights, Parking lights
45 PANEL 7.5 Instrument panel lights
53 AM1 40 Ignition system
54 POWER 30 Power seats

Engine compartment fuse box

  1. Pull–out tool
  2. Spare fuse


Fuses Specifications
No. Name A Description
2 TOWING 20 Trailer lights
3 H-LP R LWR 15 Right-hand headlight (low beam)
4 H-LP L LWR 15 Left-hand headlight (low beam)
5 HAZARD 15 Emergency flashers, Turn signal lights
6 AM2 20 Starting system
7 TEL 15 Telephone
8 FL DOOR 20 Power door lock system
9 SPARE 7.5 Spare fuse
10 SPARE 15 Spare fuse
11 SPARE 25 Spare fuse
12 ALT-S 7.5 Charging system
13 HORN 10 Theft deterrent system, Horn
14 EFI 20 Multiport fuel injection system/Sequential multiport fuel injection system
15 DOME 10 Interior light, Vanity lights, Foot lights, Rear personal light, Gauges and meters, Multi-display
16 ECU-B 7.5 Multiplex computer
17 RAD NO.1 25 Audio system
18 ABS 3 7.5 Anti-lock brake system
19 H-LP R UPR 15 Right-hand headlight (high beam)
20 H-LP L UPR 15 Left-hand headlight (high beam)
21 A/F HTR 25 Air fuel ratio sensor
46 ABS 60 Anti-lock brake system
47 ALT 140 Charging system
48 RDI 40 Cooling fan system
49 CDS 40 Cooling fan system
50 RR DEF 30 Rear window and outside rear view mirror defogger
51 HEATER 50 Blower
52 MAIN 50 Starting system


Engine compartment relay box

Fuses Specifications
No. Name A Description
1 DRL 7.5 Daytime running light system