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Lexus SC 300 (1991 - 2000) - 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: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000

Passenger compartment fuse box

Lexus SC 300 - fuse box diagram - passenger compartment

Number Fuse Ampere ratting [A] Protected circuit
1 ENGINE 7,5 Charging system
2 HTR 10 Air conditioner system, rear window defogger
3 WIPER 20 Windshield wipers and washer
4 ST 7,5 Starting system, cruise control system, multiport fuel injection system/sequential multiport fuel injection system, instrument panel lights
5 IGN 7,5 Discharge warning light, multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system
6 PANEL 7,5 Instrument panel lights, glovebox light
7 MIR-HTR 10 Outside rear view mirror defogger
8 TURN 20 1991-1994: Turn signal lights, cornering lights
TURN 7,5 1995-2000: Turn signal lights
9 STOP 15 Stop lights, cruise control system cancel device
10 CIG 15 Cigarette lighter, theft deterrent system, shift lock system, SRS airbag system, instrument panel lights
11 RADIO NO. 2 7,5 Radio, cassette tape player, compact disc player, power antenna, power rear view mirrors
12 TAIL 15 Tail lights, parking lights, side marker lights, license plate lights
13 15 ECU-IG Cruise control system, power steering control system, shift lock system, anti–lock brake system, SRS airbag system, power door lock system, preset steering system, traction control system, electronically controlled hydraulic–driven cooling system, passenger’s seat control system
14 GAUGE 10 Gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning lights), back–up lights, electronically controlled automatic transmission system, automatic transmission overdrive system, headlight
15 ECU-B 15 SRS airbag system, power rear view mirrors
16 OBD 7,5 1996-2000: On–board diagnosis system
17 FOG 15 1995-2000: Fog lights
18 ST-HTR 15 Seat heater
19 PWR 30 Preset steering, electronic moon roof, power windows, theft deterrent system.
20 IG SW 40 Starting system
21 DOOR 30 Theft deterrent system, seat control system, fuel opener control system, power door lock system.

Engine compartment fuse box

Lexus SC 300 - fuse box diagram - engine compartment

Number Fuse Ampere ratting [A] Protected circuit
20 DOME 10 Interior light, personal lights, door courtesy lights, ignition switch light, open door warning light, trunk room light, electronic moon roof system, preset steering system, seat belt warning system, cruise control system, air conditioner system, inside rear view mirror, door lock and theft deterrent system, foot light, power rear view mirror, locking with wireless remote control system, passenger’s seat control system
21 EFI 30 Multiport fuel injection system/sequential multiport fuel injection system
22 HAZ-HORN 25 1991-1994: Emergency flashers, horns
HAZ-HORN 15 1995-2000: Emergency flashers, horns
23 RADIO NO. 1 20 Radio, cassette tape player, compact disc player, power antenna
24 TEL 15 Telephone
25 ALT-S 7,5 Charging system
26 TRAC 7,5 1991-1998: Traction control system
TRAC 15 1999-2000: Traction control system
27 HEAD. R 15 Right-hand headlight (low beam)
28 HEAD. L 15 Left-hand headlight (low beam)
29 HEAD R. UP 15 Right-hand headlight (high beam)
30 HEAD L. UP 15 Left-hand headlight (high beam)
31 INJ 30 Starting system
32 DRL 7,5 Daytime Running Light System

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

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