We consider fuses and relays in the Lexus RX350 car – 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.
Fuses in the cabin of Lexus RX270, RX350
The interior fuse box is located at the bottom of the instrument panel on the driver’s side.

Lexus RX270, RX350 fuse box diagram

Description
| F1 | (7.5A) Diagnostic Link Connector (DLC) |
| F2 | (25A) |
| F3 | (25A) Electric window lifters |
| F4 | (25A) |
| F5 | (25A) Electric window lifters |
| F6 | (25A) Windscreen wiper/washer |
| F7 | (15A) Rear window wiper/washer |
| F8 | (20A) Rear Window Wiper/Washer |
| F9 | (30A) Windscreen wiper/washer |
| F10 | (10A) |
| F11 | (7.5A) Instrument cluster |
| F12 | (15A) Seat heater |
| F13 | (15A) Seat heater |
| F14 | (30A) Seat heater |
| F15 | (7.5A) 4WD control system |
| F16 | |
| F17 | (7.5A) Rear fog lights |
| F18 | (25A) |
| F19 | (10A Air Conditioner/Heater |
| F20 | (10A) |
| F21 | (10A) Instrument cluster lighting |
| F22 | (10A) |
| F23 | (20A) Air suspension |
| F24 | (30A) Seat heater |
| F25 | (15A) Additional equipment power socket |
| F26 | (10A) |
| F27 | (15A) Lexus Rx270, Lexus Rx350 Cigarette Lighter Fuse |
| F28 | (7.5A) |
| F29 | (10A) |
| F30 | (10A) |
| F31 | (10A) |
| F32 | (30A) Hatch |
| F33 | (7.5A) |
| F34 | (30A) Seat Belt Tensioner Control Unit |
| F35 | (30A) Electronic steering column adjustment unit |
| F36 | (10A) Central locking |
| F37 | (15A) Fog lights |
Fuses and relays under the hood of Lexus RX350, RX270


Description
| No. | Name | A | Purpose |
| 1 | RDI FAN NO. 1 | 80 | Cooling system fans |
| 2 | RR DEF | 50 | Rear window heating |
| 3 | AIR SUS | 50 | 2010-2012: Air suspension |
| 4 | HTR | 50 | Air conditioner |
| 5 | SPARE | 30 | — |
| 6 | SPARE | 40 | — |
| 7 | ABS NO.2 | 30 | 2010-2012: ABS 2013-2015: Vehicle Stability Control |
| 8 | H-LP CLN | 30 | Headlight washer |
| 9 | PBD | 30 | Electric trunk opening drive |
| 10 | ST | 30 | Starter |
| 11 | P.D. | 50 | 2010-2012: Daytime Running Lights, Engine Electronics, Fuses: A/F, H-LP RH HI, H-LP LH LO, H-LP RH LO, H-LP LH HI, HORN, S-HORN 2013-2015: Fuses: A/F, H-LP RH HI, H-LP LH LO, H-LP RH LO, H-LP LH HI, HORN, SHORN |
| 12 | ABS NO.1 | 50 | 2010-2012: ABS 2013-2015: Vehicle Stability Control |
| 13 | EPS | 60 | Electric steering system |
| 14 | ALT | 140 | 2010-2012: Fuses: FUEL OPN, DR LOCK, OBD, RR FOG, S/ROOF, 4WD, INVERTER, ECU IG1 NO. 1, ECU IG1 NO. 2, PANEL, GAUGE NO. 1 2013-2015: Fuses: IG1 MAIN, TOWING BATT, DEICER, TOWING, STOP, RDI FAN NO. 1, FILTER, RR DEF, AIR SUS, HEATER, ABS NO. 2, H-LP CLN, PBD, ECU-IG1 NO. 1, ECU-IG1 NO. 3, GAUGE NO. 1, ECU-IG1 NO. 2, EPS, FR WIP, RR WIP, FR WASH, RR WASH, RH S-HTR, LH S-HTR, TAIL, PANEL, D/L ALT B, FR FOG, FR DOOR, FL DOOR, RR DOOR, RL DOOR, PSB, P-SEAT LH, P-SEAT RH, TI&TE, FUEL OPN, DR LOCK, OBD, RR FOG, S/ROOF, 4WD, INVERTER, ECU-ACC, P/POINT, CIG, RADIO NO. 2 |
| 15 | AMP1 | 30 | Audio system |
| 16 | EFI MAIN | 30 | 2010-2012: Engine Electronics, Fuses: EFI NO. 1, EFI NO. 2 2013-2015: Engine Electronics, Transmission Control Module, Fuses: EFI NO. 1, EFI NO. 2, F/PMP |
| 17 | AMP2 | 30 | Audio system |
| 18 | IG2 | 30 | 2010-2012: Starter, Fuses: IGN, GAUGE NO. 2, ECU IG NO. 2 2013-2015: Fuses: IGN, GAUGE NO. 2, ECU IG 2 |
| 19 | IP JB | 25 | Central lock |
| 20 | STR LOCK | 20 | Starter |
| 21 | RAD NO. 3 | 15 | 2010-2012: Instrument cluster lighting, instrument panel lighting, navigation, audio system, rear seat entertainment system 2013-2015: Instrument cluster, navigation, audio system |
| 22 | HAZ | 15 | Alarm |
| 23 | ETCS | 10 | Engine electronics |
| 24 | RAD NO. 1 | 10 | Audio system, navigation (2013-2015) |
| 25 | AM2 | 7.5 | Starter |
| 26 | ECU-BNO.2 | 7.5 | 2010-2012: Air conditioning, front passenger classification system, starter 2013-2015: Air conditioning, front passenger classification system, audio system, power windows, vehicle stability control |
| 27 | MAYDAY/TEL | 7.5 | 2013-2015: MAYDAY/TEL |
| 28 | IMMOBI | 7.5 | 2013-2015: IMMOBI |
| 29 | ALT-S | 7.5 | Charging system |
| 30 | IGN | 10 | 2010-2012: Starter, engine electronics 2013-2015: Engine electronics |
| 31 | DOME | 10 | Luggage compartment lighting, interior lighting, visor mirror lighting, door lights. footwell lighting |
| 32 | ECU-B NO. 1 | 7.5 | 2010-2012: Interior lighting, steering column adjustment, multiplex unit, instrument cluster. Power windows, driver memory settings, seat control unit, tailgate, head-up display , starter, air conditioning, central locking |
| ECU-B NO. 1 | 10 | 2013-2015: Steering column adjustment, multiplex unit, instrument cluster, driver settings memory, seat control unit, trunk lid , head-up display, starter, mirror control unit, garage door remote control | |
| 33 | EFI NO. 1 | 10 | Engine electronics, transmission control unit (2013-2015) |
| 34 | WIP-S | 7.5 | 2010-2012: Windscreen wiper and washer 2013-2015: Cruise control |
| 35 | AFS | 7.5 | 2010-2012: Adaptive Lighting System |
| ECU-IG1 NO.4 | 10 | 2013-2015: Air conditioning, rear window heating, cooling fans, vehicle stability control | |
| 36 | BK/UP LP | 7.5 | Reverse lights |
| 37 | HEATER NO. 2 | 7.5 | 2010-2012: Air conditioning, all-wheel drive system |
| ECU-IG1 NO.5 | 2013-2015: Air Conditioning | ||
| 38 | ECU IG1 | 10 | 2010-2012: Adaptive Lighting System, Headlamp Washer, Cooling Fan, Air Suspension, Vehicle Stability Control, Integrated Vehicle Dynamics Management |
| ECU-IG1 NO.6 | 2013-2015: Headlight washers, cruise control, vehicle stability control, blind spot monitoring system | ||
| 39 | EFI NO.2 | 10 | Engine electronics |
| 40 | F/PUMP | 15 | Engine electronics |
| 41 | DEICER | 25 | Windscreen wiper and washer |
| 42 | STOP | 7.5 | 2010-2012: Vehicle Stability Control, Integrated Vehicle Dynamics Control, Additional Brake Light 2013-2015: Vehicle Stability Control, Integrated Vehicle Dynamics Control, Brake Lights, Transmission Control Module, Engine Electronics, Gear Selector Lock, Starter |
| 43 | TOWING BATT | 20 | Trailer battery |
| 44 | TOWING | 30 | Trailer Lighting |
| 45 | FILTER | 10 | 2010-2012: Air Conditioner Fan |
| 46 | IG1 MAIN | 30 | 2010-2012: Fuses: ECU IG1, BK/UPLP, HEATER NO. 2,AFS 2013-2015: Fuses: ECU-IG1 NO. 6, BK/UP LP, ECU IG1 NO. 5, ECU-IG1 NO. 4 |
| 47 | H-LP RH HI | 15 | High right beam |
| 48 | H-LP LH HI | 15 | High beam left |
| 49 | BIXENON | 10 | 2010-2012: Headlights |
| 50 | H-LP RH LO | 15 | Low beam right |
| 51 | H-LP LH LO | 15 | Low beam left |
| 52 | HORN | 10 | Sound signal |
| 53 | A/F | 20 | Engine electronics |
| 54 | S-HORN | 7.5 | Anti-theft alarm siren |
| 55 | DRL | 7.5 | Daytime running lights |
Lexus RX350 fuses and relays. Lexus RX350 fuse diagram.