The Lexus RX is a mid-size premium crossover SUV manufactured by Japanese automaker Toyota since 1998. In 2015, the company unveiled the fourth generation of the vehicle at the New York Auto Show. It is equipped with a 3.5-liter V6 engine with 300 hp and an eight-speed automatic transmission. In this article, we will take a detailed look at the fuse diagrams for the Lexus RX 350 (fourth generation; designation AL20; body make GGL25) 2016, 2017, 2018, 2019, 2020, 2021 and 2022 model years.
Here you will find the location and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.
In the engine compartment
The fuse box is located on the left side of the underhood.
Access example.
| Diagram | |
|---|---|
|
|
| Name | Relay assignment |
| FAN | Electric cooling fan |
| FUEL PMP | Fuel pump (gas pump relay) |
| H-LP CLN | Headlight cleaner |
| H-LP LH | Left headlight |
| H-LP RH | Right headlight |
| HORN | Siren / Horn |
| IG1 – MAIN | Protects several circuits |
| INJ | Fuel injectors |
| PTC HTR NO.1 | Additional heater |
| PTC HTR NO.3 | Additional heater |
| S-HORN | Siren / anti-theft system |
| ST | Starting system |
| WIPER | Windshield wipers |
| Name | Fuse assignment |
| ABS 1 | Anti-lock brakes |
| ABS 2 | Anti-lock brakes |
| ALT | Battery and charging system |
| AMP | Audio system |
| DOOR-DL | Double door lock |
| ECU-IG1 №6 | Engine ECU |
| ECU-IG1 №7 | Engine ECU |
| ECU-IG1 №9 | Engine ECU |
| EFI-MAIN | Multi-port fuel injection system |
| EPS | Electric power steering |
| ETCS | Electronic throttle control system |
| FAN | Electric cooling fan |
| FUEL PMP | Fuel pump (gasoline pump fuse) |
| H-LP CLN | Headlight cleaner |
| H-LP LH | Left headlight |
| H-LP LH-LO | Left low beam headlight |
| H-LP RH | Right headlight |
| HORN | Siren / Horn |
| HTR | Air conditioning system |
| IG1-MAIN | Multiple circuit protection |
| IG2 | Multi-circuit protection |
| IG2-MAIN | Multiple Circuit Protection |
| INJ | Fuel injectors |
| INV Power outlet | DC/AC inverter |
| P INJ | Fuel injectors |
| P/OUTLET | Cigarette lighter fuse / socket outlet |
| P/SEAT R/L | Power seat (rear left) |
| P/SEAT R/R | Power seat (rear right) |
| PBD | Electrically operated tailgate |
| PTC HTR NO.1 | Additional heater |
| PTC HTR NO.2 | Additional heater |
| PTC HTR NO.3 | Additional heater |
| RADIO NO.2 | Radio and audio system |
| S/HTR F/L | Front seat heating |
| S/HTR F/R | Heated seats |
| S/ROOF NO.2 | Sunroof |
| S-HORN | Siren / anti-theft system |
| SPARE | Spare fuse |
| ST | Starter |
| STRG HTR | Heated steering wheel |
| TOWING BRK | Trailer brakes |
| TOWING | Trailer lights |
| WIPER NO.2 | Wipers |
| WIPER NO.3 | Wipers |
| H-LP RH-LO | Right dipped beam headlight |
In the passenger compartment
The fuse box is located under the dashboard on the driver's side.
Access example.
| Diagram | |
|---|---|
|
|
| Name | Description / Amps |
| A-BAG | Airbags 10A |
| BKUP LP | Reverse light 7.5A |
| D/L | Daytime running lights. 20А |
| DOME | Interior lighting 7.5A |
| DOOR BACK | Rear door 7.5A |
| DOOR R/L | Rear left door 20A |
| DOOR R/R | Rear right door 20A |
| FOG RR | Rear fog lights 7.5A |
| HAZ | Emergency signalling, indicator lamps 10A |
| METER | Instruments (dashboard) 10A |
| METER-IG2 | Instruments (dashboard) 5A |
| ODB | Diagnostic socket 7.5A |
| P/OUTLET | Cigarette lighter (socket) 15A |
| STOP | Stop lights 7.5A |
| STRG LOCK | Steering lock system 10A |
| TAIL | Parking lights, licence plate lights 10A |
| TI&TE | Steering column adjustments 20A |
| WASHER | Washer 20A |
| WIPER RR | Rear wiper 15A |
