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Lexus GS300 (2003 - 2005) - fuse box diagram

avatar Jonathan Yarden May 05, 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: 2003, 2004, 2005

Driver’s side kick panel

Lexus GD200 - fuse box - driver's side kick panel

Passenger’s side kick panel

Lexus GS300 - fuse box - passenger's side kick panel

Engine compartment

Lexus GS300 - fuse box - engine compartment

Lexus GS300 - fuse box - engine compartment

Fuse Ampere rating [A] Circuit protected
1 WASHER 20 Windshield washer
2 FR FOG 15 Fog lights
3 TAIL 10 Tail lights, Side marker lights, License plate lights, Parking light
4 GAUGE 10 Back–up lights, Gauges and meters, service reminder indicators and buzzers
5 FUEL OPN 10 Fuel filler door opener
6 PANEL 7,5 Emergency flashers, Headlight cleaner
7 HEATER 10 Air conditioning
8 SRS–B 5 Gauges and meters, service reminder indicators and warning buzzers
9 D P/SEAT 30 Power seat system
10 RADIO NO.2 15 Audio, Shift lock system
11 WIPER 25 Windshield wipers
12 OBD 7,5 On–board diagnosis
13 STOP 15 Stop lights, Anti–lock brake system, Traction control system
14 CIG 15 Cigarette lighter, Power outlet
15 ECU–IG 15 Power window, Door lock system, Wireless remote control, Theft deterrent system
16 STARTER 5 Starting system
17 IGN 5 Multiport fuel injection system/sequential multiport fuel injection system, SRS, Anti–lock
brake system, Vehicle skid control system, Cruise control system
18 D RR DOOR 20 Power window system, Door lock system, Wireless remote control
19 RR FOG 10 No circuit
20 M/R HTR 10 Outside rear view mirror
21 S/ROOF 25 Electronic moon roof
22 ECU–B3 20 Power window system, Door lock system, Wireless remote control
23 P P/SEAT 30 Power seat system, Tilt and telescopic steering
24 DOME 10 Interior lights, Personal lights, Vanity lights, Trunk light, Clock
25 SEAT HTR 20 Seat heater
26 4WS 25 No circuit
27 TV 15 No circuit
28 ECU–B2 5 Power seat system
29 P RR DDOR 20 Power window system, Door lock system, Wireless remote control
30 ECU–B1 20 Power window system, Door lock system, Wireless remote control, Theft deterrent system, Trunk lid opener, Interior lights, Personal lights, Clock, Headlight cleaner
31 P FR DOOR 10 Power window system, Door lock system, Wireless remote control
32 D FR DOOR 20 Power window system, Door lock system, Wireless remote control
33 HORN 10 Horn
34 ETCS 15 Electronic throttle control system
35 AM2 15 Starting system, Multiport fuel injection system/sequential multiport fuel injection system
36 TEL 15 No circuit
37 TURN–HAZ 10 Turn signal lights
38 EFI 25 Multiport fuel injection system/sequential multiport fuel injection system, Emission control system
39 ALT–S 5 Charging system
40 RADIO NO.1 20 Audio
41 DRL NO.2 30 Daytime running light system
42 DRL NO.1 30 Daytime running light system
43 H–LP L LWR 15 Left–hand headlight (low beam)
44 H–LP R LWR 15 Right–hand headlight (low beam)
45 H–LP R UPR 15 Right–hand headlight (high beam)
46 H–LP L UPR 15 Left–hand headlight (high beam)
* SPARE Spare fuse

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

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