The 1st generation Toyota Aristo was produced in 1991, 1992, 1993, 1994, 1995, 1996 and 1997. During this time, the model has been restyled. The most popular were the models in the bodies of 147 and 141. Lexus GS 300 with left-hand drive is made on the common base of Toyota Aristo 1. These cars have similar electrical circuits. In our publication you will find information on the location of electronic control units, a description of fuses and relays for Toyota Aristo 147 (Lexus gs300) with box diagrams and photo examples of their execution. Highlight the cigarette lighter fuse. In conclusion, we offer complete electrical diagrams for download.
The arrangement of the blocks and the purpose of the elements in them may differ from the one presented. Check the information with your diagrams on the box cover.
Contents
Passenger compartment
Location
Layout
Assignment
- Integrated relay
- Daytime running light relay
- Relay box
- Anti-theft control unit
- Fuse box
- Wiper relay
- Distribution block
- Air conditioner control unit
- Traction control control unit
- Air conditioner amplifier
- Anti-lock braking and traction control control unit
- Heater relay
- Engine control unit (M / T) / Engine and automatic transmission control unit (A / T)
- Selector lever lock control unit
- Central airbag unit
- Cruise control control unit
- PPS ECU
- Tilt and Power Telescopic ECU
Fuse box
It is located at the bottom of the dashboard on the steering side, behind the protective cover.
Type 1
Diagram
Type 2
Photo
Diagram
Designation
| SEAT HTR | Heated seats |
| STOP | Stop lamps, auxiliary brake light, gear selector lock, ABS, TRC, multiport fuel injection system / sequential multiport fuel injection system |
| GAUGE | Instrument cluster, reversing lamps, heated rear window, heated mirrors, heater control unit, air conditioning, service indicators, warning buzzer, charging system, automatic transmission indicators, daytime running lights |
| ECU-IG | Gear selector lock, telephone, central locking, seat belts, ABS, TRC, power steering, cruise control, steering column tilt and height adjustment, aerial, cooling fan, instrument panel illumination, automatic lighting system, gear selector |
| CIG | Cigarette lighter (front / rear), clock, air conditioning, audio system, gear selector lock, SRS airbag system, central locking, power mirrors, aerial, anti-theft system |
| TURN | Direction indicators |
| WIPER | Windscreen wiper and washer, headlight cleaners |
| PANEL | Automatic transmission indicators, heater control unit, hazard warning lights, glove box light, ashtray light, clock, cigarette lighter light, audio system, gear selector, instrument panel light, daytime running lights |
| SRS | SRS airbag system |
| TAIL | Side light, license plate lighting |
| MIR HTR | Heated mirrors |
| POWER | Power windows, sunroof, power seats, central locking, steering column adjustment, power relay (POWER) |
| DEFOG | Heated rear window, fuse: “MIR HTR” |
| DOOR | Doors, central locking. |
The fuse designated as CIG is responsible for the cigarette lighter.
Relay
A relay can be mounted on the back of the unit.
Scheme
Functions
- R1 Short pin
- R2 Side light
- R3 Heated rear window
Relay box
Diagram
Circuits protected
| R1 | Turn signal flasher |
| R2 | Daytime running light system №4 |
| R3 | Fog light |
| R4 | Power main |
Additional elements
Diagram
Appointment
- Moon Roof Control Relay
- Wireless Door Lock ECU
- Stereo Component Amplifier
- Auto Antenna Motor and Relay
- Fuel Pump ECU
Engine compartment
Location
Layout
Decoding
- Fuse and Relay Box
- Headlight cleaner relay
- Traction solenoid relay
Fuse and relay box
Photo example
Diagram from the box cover
Diagram
Assignment
| 1 | 15A FOG – Fog light |
| 2 | 7,5A DRL – Daytime running lights |
| 3 | 10A TRAC – Traction Control |
| 4 | 10A DOME – Interior lighting, sunroof, cruise control, open door indicator, personal lighting, luggage compartment lighting, door lighting, legroom lighting, ignition switch lighting, ABS clock, antenna, audio system, anti-theft system, wireless remote system management |
| 5 | 7,5A ECU-B – Wireless Remote Control System, ABS, TRC, Cruise Control, Daytime Running Lights, Air Conditioning |
| 6 | 7,5A ALT SENSING – Charging system |
| 7 | 15A AM2 – Multiport fuel injection system / sequential multiport fuel injection system, SRS airbag system, battery charge indicator, ignition system, instrument cluster, service indicators, warning buzzer |
| 8 | 15A TEL – Phone |
| 9 | 20A HAZ. HORN – Emergency signaling, sound signal |
| 10 | 20A EFI – Automatic transmission control unit, multiport fuel injection system / sequential multiport fuel injection system |
| 11 | 25A RADIO NO. 1 – Audio system, antenna |
| 12 | 30A IG2 – Ignition system |
| 13 | 7.5A OBD II – 1996-1997: Diagnostic connector |
| 14 | 15A HEAD RH – Right headlight |
| 10A HEAD RH-UPR – High beam right | |
| 15 | 15A HEAD LH – Left headlight |
| 10A HEAD LH-UPR – High beam left | |
| 16 | 10A HEAD RH-LWR – Low beam right |
| 17 | 10A HEAD LH-LWR – Low beam left |
| 18 | 30A RDI FAN – Cooling fan |
| 19 | – |
| 20 | 40A AM1 – Ignition switch, fuses: “ECU-IG”, “WIPER”, “GAUGE”, “TURN”, “SEAT-HTR”, “CIG” |
| 21 | 50A HEATER – Heater relay |
| 22 | 60A ABS – Cooling Fan Main Relay, Traction Control Relay, Antilock Brake System Relay, Fuses: “TRAC” |
| 23 | 100A ALT – Side light relay, alternator, fuses: “FOG”, “AM1”, “HEATER”, “DEFOG”, “ABS”, “STOP”, “SRS”, “POWER” |
| 24 | 50A MAIN – Headlight relay, daytime running light relay No. 2, starter relay |
| 25 | 40A ABS No.2 – Traction control motor, anti-lock brake system motor |
| Relay | |
| R1 | Daytime running light system №3 |
| R2 | Radiator fan |
| R3 | Daytime running light system №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 |
Wiring diagram
Need more information? Explore Lexus GS300 electrical component diagrams: “download“.