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Lexus ES300 (2002 - 2003) - fuse box diagram

avatar Jonathan Yarden May 06, 2021 · 5 min. read

In this article you will find a description of fuses and relays Lexus, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2002, 2003

Engine compartment

Lexus ES - fuse box - engine compartment

Lexus ES - fuse box - engine compartment

Driver’s side instrument panel

Lexus ES - fuse box - driver's side instrument panel

Fuse Ampere rating [A] Circuit protected
1 ABS NO.4 7,5 Anti−lock brake system, vehicle skid control system, traction control system, brake assist system
2 A/F 25 Multiport fuel injection system/sequential multiport fuel injection system
3 DOOR1 25 Multiplex communication system (power door lock system, auto−door locking system, wireless remote control system)
4 TEL 5 No circuit
5 AM2 30 All components in “IGN” and “IG2” fuses and starting system
6 EFI 20 Multiport fuel injection system/sequential multiport fuel injection system
7 ALT−S 5 Charging system
8 HEAD LH UPR 10 Left−hand headlight (high beam)
9 ETCS 10 Multiport fuel injection system/sequential multiport fuel injection system
10 HORN 10 Horns
11 IGN 15 Starting system
12 HEAD RH UPR 10 Right−hand headlight (high beam)
13 HAZ 15 Emergency flashers
14 D.C.C 30 All components in “ECU−B”, “RAD NO.1” and “DOME” fuses
15 IG2 10 Multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system, front seat belt pretensioners, cruise control system
16 ST 5 Starting system
17 ADJ PDL 30 Power adjustable pedals
18 CDS 30 Electric cooling fan
19 ABS NO.2 40 Anti−lock brake system, vehicle skid control system, traction control system, brake assist system
20 MAIN 40 All components in “HEAD LH LWR”, “HEAD RH LWR”, “HEAD LH UPR”, “HEAD RH UPR” and “DRL” fuses
21 ABS NO.3 40 Anti−lock brake system, vehicle skid control system, traction control system, brake assist system
22 HTR 50 Air conditioning system
23 RDI 30 Electric cooling fan
24 SPARE 5 Spare fuse
25 SPARE 10 Spare fuse
26 ABS NO.1 60 All components in “RDI FAN”, “ABS NO.2”, “ABS NO.3”, “CDS”, “HTR (50 A)” and “ADJ PDL” fuses and anti−lock brake system, vehicle skid control system, traction control system, brake assist system
27 ALT 120 All components in “DEF”, “PWR NO.1”, “PWR NO.2”, “PWR NO.3”, “PWR NO.4”, “STOP”, “DOOR NO.2”, “OBD”, “PWR SEAT”, “FUEL OPEN”, “FOG”, “AMP”, “PANEL”, “TAIL”, “AM1”, “CIG”, “POWER POINT”, “RAD NO.2”, “ECU−ACC”, “GAUGE1”, “GAUGE2”, “ECU−IG”, “WIPER”, “WASHER”, “HTR (10 A)”, “SEAT HTR”, and “SUN−SHADE” fuses
28 SPARE 15 Spare fuse
29 A/C 10 Air conditioning system
30 DRL 5 Daytime running light system
31 HEAD RH LWR 15 Right−hand headlight (low beam)
32 HEAD LH LWR 15 Left−hand headlight (low beam) and front fog lights
33 ECU−B 10 Multiplex communication system (power door lock system, security system, auto−door locking system, automatic light control system, headlight delay off system, tail light auto cut system, illuminated entry system, daytime running light system, wireless remote control system) air conditioning system, electronic modulated suspension, driving position memory system
34 DOME 7,5 Ignition switch light, interior light, personal lights, foot lights, door courtesy lights, trunk light, vanity lights, garage door opener, clock, outside temperature gauge, multi−information display
35 CIG 15 Cigarette lighter
36 ECU−ACC 5 Power rear view mirrors, clock, multi−information display, driving position memory system
37 RAD NO.2 10 Car audio system, navigation system
38 POWER POINT 15 Power outlet
39 RAD NO.1 20 Car audio system, navigation system
40 GAUGE1 10 Gauges and meters, clock, outside temperature gauge, multi−information display, shift lock system
41 ECU−IG 10 SRS airbag system, power windows, anti−lock brake system, electronic modulated suspension, driving position memory system
42 WIPER 25 Windshield wipers
43 HTR 10 Air conditioning system
44 MIR HTR 10 Outside rear view mirror heaters
45 AM1 5 Starting system
46 FOG 15 Front fog lights
47 SUN−SHADE 15 Rear sunshade
48 GAUGE2 10 Auto anti−glare inside rear view mirror, compass, back−up lights, automatic light control system, automatic headlight leveling system, cruise control system, seat belt reminder lights
49 PANEL 10 Glove box light, console box light, clock, outside temperature gauge, multi−information display, instrument cluster lights, instrument panel lights, overdrive−off indicator light
50 TAIL 10 Tail lights, parking lights, license plate lights
51 PWR NO.4 20 Rear passenger’s power window (left side)
52 PWR NO.2 20 Front passenger’s door lock system, front passenger’s power window
53 OBD 7,5 On−board diagnosis system
54 SEAT HTR 20 Seat heaters
55 WASHER 15 Windshield washer
56 FAN RLY 10 Electric cooling fans
57 STOP 15 Stop lights, high mounted stoplight
58 FUEL OPEN 5 Fuel filler door opener
59 DOOR NO.2 25 Multiplex communication system (power door lock system, auto−door locking system, wireless remote control system)
60 AMP 25 Car audio system
61 PWR NO.3 20 Rear passenger’s power window (right side)
62 PWR SEAT 30 Power seats, driving position memory system
63 PWR NO.1 30 Driver’s door lock system, driver’s power window, electric moon roof
64 DEF 40 Rear window defogger

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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