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Lexus GS 300 S140 (1991 - 1997) 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

Passenger Compartment

Lexus GS300 - fuse box diagram - passenger compartment

Number Description
1 Integration Relay
2 Daytime Running Light Relay
3 Relay Box
4 Theft Deterrent ECU
5 Fuse Box
6 Wiper Relay
7 J/B No. 3
8 A/C Control Assembly
9 Traction ECU (with Traction Control)
10 A/C Lock Amplifier
11 ABS and Traction ECU (with Traction Control)
ABS ECU (without Traction Control)
12 Blower Motor Control Relay
13 Engine Control Module (Engine and Electronically Controlled Transmission ECU)
14 Shift Lock ECU
15 Center Airbag Sensor Assembly
16 Cruise Control ECU
17 PPS ECU
18 Tilt and Power Telescopic ECU

Passenger Compartment Fuse Box

Lexus GS300 - fuse box diagram - passenger compartment fuse box

Description Ampere rating [A] Description
1 SEAT HTR 15 Seat heater
2 STOP 20 Shift lock system, high mounted stoplight, cruise control system, anti-lock brake system, traction control system, multiport fuel injection system / sequential multiport fuel injection system, stop lights
3 GAUGE 15 Rear window and outside rear view mirror defogger, heater control system, air conditioning system, gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning lights), charging system, automatic transmission indicator, back-up lights, daytime running light system
4 ECU-IG 10 Shift lock system, telephone, power door lock system for passenger seat, seat belt system, anti-lock brake system, power steering control system, traction control system, cruise control system, driving pattern selector switch, tilt and telescopic control system, power antenna, electronic cooling fan system, instrument panel lights, automatic light control system, power door lock control system
5 CIG 15 Clock, air conditioning system, radio, cassette tape player, compact disc player, shift lock system, SRS, front and rear cigarette lighters, power door lock control system, power rear view mirror control system, power antenna, theft deterrent
6
7 TURN 10 Turn signal lights and indicator
8 WIPER 15 1991-1993: Windshield wipers and washer, headlight cleaner
20 1994-1997: Windshield wipers and washer, headlight cleaner
9 PANEL 7,5 Automatic transmission indicator, heater control system, emergency flasher switch, glovebox light, rear ashtrays, clock, front cigarette lighter light, radio, cassette tape player, compact disc player, driving pattern selector switch light, instrument panel lights, daytime running lights system
10 SRS 7,5 SRS airbag
11 TAIL 10 License plate lights, parking lights, tail lights
12 MIR HTR 10 Outside rear view mirror defogger
13 POWER 30 Moon roof, power window, power seat, theft deterrent, tilt and power telescopic, power main relay
14 DEFOG 40 Rear window defogger, “MIR HTR” fuse
Relay
R1 Integration relay

Lexus GS300 - fuse box diagram - passenger compartment fuse box

Number Relay
R1 Short pin
R2 Taillight
R3 Defogger

Passenger Compartment Relay Box

Lexus GS300 - fuse box diagram - passenger compartment relay box

Number Relay
R1 Turn signal flasher
R2 Daytime running light system No.4
R3 Fog light
R4 Power main

 

Lexus GS300 - fuse box diagram

Number Description
1 Moon Roof Control Relay
2 Wireless Door Lock ECU
3 Stereo Component Amplifier
4 Auto Antenna Motor and Relay
5 Fuel Pump ECU

 

Engine Compartment

Lexus GS300 - fuse box diagram - engine compartment

Number Description
1 Fuse Box
2 Headlight Cleaner Relay
3 Traction Solenoid Relay

 

Engine Compartment Fuse Box

Lexus GS300 - fuse box diagram - engine compartment fuse box

Number Fuse Ampere rating [A] Description
1 FOG 15 Fog lights
2 DRL 7,5 Daytime running light system
3 TRAC 10 Traction control system
4 DOME 10 Interior light, vanity lights, electric moon roof system, cruise control system, open door warning light, personal lights, trunk room light, door courtesy lights, footlights, ignition switch light, clock, anti-lock brake system, power antenna, radio, locking with wireless remote control system, theft deterrent system
5 ECU-B 7,5 Locking with wireless remote control system, anti-lock brake system, traction control system, cruise control system, daytime running light system, air conditioning system
6 ALT SENSING 7,5 Charging system
7 AM2 15 Multiport fuel injection system / sequential multiport fuel injection system, SRS airbag, charging lamp, starting system, electronic ignition system/ distributor ignition system, gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning lights)
8 TEL 15 Telephone
9 HAZ. HORN 20 Emergency flashers, horns
10 EFI 20 Electronically controlled automatic transmission system, multiport fuel injection system / sequential multiport fuel injection system
11 RADIO NO. 1 25 Radio, cassette tape player, compact disc player, power antenna
12 IG2 30 Electronic ignition system / distributor ignition system
13 OBD II 7,5 1996-1997: On−board diagnosis system
14 HEAD RH 15 Right hand headlight
HEAD RH-UPR 10 Right-hand headlight (high beam)
15 HEAD LH 15 Left-hand headlight
HEAD LH-UPR 10 Left-hand headlight (high beam)
16 HEAD RH-LWR 10 Right-hand headlight (low beam)
17 HEAD LH-LWR 10 Left-hand headlight (low beam)
18 RDI FAN 30 Electronic cooling fan system
19
20 AM1 40 Ignition switch, “ECU–IG”, “WIPER”, “GAUGE”, “TURN”, “SEAT–HTR”, “CIG” fuses
21 HEATER 50 Heater relay
22 ABS 60 Radiator fan main relay (point side), traction solenoid relay (point side), ABS solenoid relay (point side), “TRAC” fuse
23 ALT 100 Taillight relay, generator (alternator), “FOG”, “AM1”, “HEATER”, “DEFOG”, “ABS”, “STOP”, “SRS”, “POWER” fuses
24 MAIN 50 Headlight relay, daytime running light relay no.2, starter relay (point side)
25 ABS No.2 40 ABS motor relay (point side), traction motor relay (point side)
Relay
R1 Daytime running light system No.3
R2 Radiator fan
R3 Daytime running light system No.2
R4 Heater
R5 Short pin
R6 Air conditioner compressor clutch
R7 Starter
R8 ABS motor
R9 ABS solenoid
R10 Radiator fan main
R11 Ignition (IG2)
R12 Headlight
R13 Traction motor
R14 Horn
R15 EFI
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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