Lexus RX350 3G Fuse and Relay

Lexus RX 350 3rd generation was produced in 2009, 2010, 2011, 2012, 2013, 2014 and 2015 with the designation AL10. During this time, the model has undergone restyling. In our post you can find a description of fuses and relays Lexus RX350 3rd generation with fuse box diagrams, their locations and photos. Let’s note the cigarette lighter fuse.

RX350 3G

The fuse and relay assignment may vary from the one shown and depends on the year of manufacture, the level of electrical equipment and the region of delivery of your vehicle.

Passenger compartment

Fuse box

There is a fuse box in the passenger compartment on the left-hand side of the vehicle, under the instrument panel.

location fuse box in salon rx350

Photo example

Photo

Check the assignment of the elements with your diagram on the protective cover.

covery

Diagram

Diagram

Assignment

115A P/POINT – Power outlet
210A ECU-ACC – Navigation, electric mirror control unit (2010-2012), multiplex unit, multi-information display, windscreen indicator, air conditioning (2013-2015), audio system (2013-2015)
315A CIG – Cigarette lighter (socket)
47.5A RADIO NO. 2 – Audio system, socket (2010-2012), navigation (2013-2015)
510A GAUGE NO. 1 – Emergency alarm, navigation, windscreen indicator light , air conditioning (2013-2015), charging system (2013-2015)
610A ECU-IG1 NO. 3 – Mirror control unit, wiper and washer, seat heating, starter, power socket, sunroof, automatic high beam control system (2010-2012), air conditioning (2013-2015)
710A ECU-IG1 NO.1 – Multiplex unit, electric steering system, transmission selector lock, steering column adjustment, starter, automatic transmission control unit, boot door, tyre pressure check system, vehicle stability control system (2013-2015), pre-emergency safety system (2013-2015)
830A S/ROOF – Sunroof
97.5A FUEL OPN – Fuel tank filler flap
1030A PSB – Pre-emergency safety system
1130A TI&TE – Steering column adjustments
1210A DR LOCK – Central locking system
1315A FR FOG – 2010-2012: Front fog lights
7.5A FR FOG – 2013-2015: Front fog lights
1430A P-SEAT LH – Electric left seat drive
157.5A 4WD – Four Wheel Drive System
1620A INVERTER – 2013-2015: Power outlet
177.5A RR FOG – Rear Fog Lights
1825A D/LALTB – Multiplex unit, central locking (2013-2015), boot door (2013-2015)
1910A HEATER – 2010-2012: Air Conditioner
10A ESP – 2013-2015: Electric steering system
2010A ECU-IG1 NO. 2 – 2010-2012: Air conditioning, engine electronics, multi-information display, passive safety system (SRS)
2013-2015: Intuitive Park Assist, four-wheel drive system, pre-emergency safety system
2110A PANEL – 2010-2012: Light switch, navigation, windscreen wiper, heated seats, tailgate, headlight washer, audio system, air conditioning, multi-information display, height stabilisation system
2013-2015: Light switch, navigation, audio system, multi-information display, transmission control unit
2210A TAIL – Clearance light, licence plate light, front fog lights, trailer connector
2320A AIR SUS – 2010-2012: Air Suspension
2430A P-SEAT RH – Electric right seat drive
257.5A OBD – On-Board diagnosis
2625A FR DOOR – Front right window, power mirror (2013-2015)
2725A RR DOOR – Rear right window lift
2825A FL DOOR – Front left window, power mirror (2013-2015)
2925A RL DOOR – Rear left window lift
3025A FR WASH – Front window washer
3115A RR WIP – Rear Wiper
3220A RR WASH – Rear window washer
3330A FR WIP – Front Wiper
3410A ECU IG2 – 2010-2012: Starter, Intuitive Park Assist, Four Wheel Drive System
2013-2015: Engine electronics, front passenger classification system, passive safety system (SRS), brake light bulbs, transmission control unit, steering wheel lockout
357.5A GAUGE NO. 2 – 2010-2012: Starter
2013-2015: Instrument cluster
3615A RH S-HTR – Right seat heater
3715A LH S-HTR – Left seat heating

Fuses 1 and 3 for 15A are responsible for the cigarette lighter operation.

Relay box

It is installed behind the fuse box.

Diagram

Relay diagram

Designation

  • R1 – Fuel filler flap opening relay
  • R2 – Relay of rear fog lamps
  • R3 – Instrument panel relay

The brake light control relay is mounted side by side, separately outside the block.

Engine compartment

Fuse and relay box

Under the hood, in the engine compartment on the left-hand side is the main fuse and relay box.

location fuse box under the hood

Diagram

Diagram 2

Allocation

180A RDI FAN NO. 1 – Cooling system fans
250A RR DEF – Rear window heater
350A AIR SUS – 2010-2012: Air suspension
450A HTR – Air conditioning
5
6
730A ABS NO.2 – 2010-2012: ABS
2013-2015: Vehicle Stabilisation System
830A H-LP CLN – Headlight Washer
930A PBD – Electric boot opener
1030A ST – Starter
1150A PD – 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
122010-2012: ABS
50A ABS NO.1 – 2013-2015: Vehicle Stabilisation System
1360A EPS – Electric Steering System
14140A ALT – 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
1530A AMP1 – Audio System
1630A EFI MAIN – 2010-2012: Engine electronics, fuses: EFI NO. 1, EFI NO. 2
2013-2015: Engine electronics, transmission control unit, fuses: EFI NO. 1, EFI NO. 2, F/PMP
1730A AMP2 – Audio system
1830A IG2 – 2010-2012: Starter, fuses: IGN, GAUGE NO. 2, ECU IG NO. 2
2013-2015: Fuses: IGN, GAUGE NO. 2, ECU IG 2
1925A IP JB – Central locking
2020A STR LOCK – Starter
2115A RAD NO. 3 – 2010-2012: Instrument cluster illumination, instrument cluster illumination, navigation, audio system, rear passenger entertainment system
2013-2015: Instrument cluster lighting, navigation, audio system
2215A HAZ – Emergency alarm system
2310A ETCS – Engine Electronics
2410A RAD NO. 1 – Audio system, navigation (2013-2015)
257.5A AM2 – Starter
267.5A ECU-BNO. 2 – 2010-2012: Air conditioning, front passenger classification system, starter
2013-2015: Air conditioning, front passenger classification system, audio system, power windows, vehicle stability system
277.5A MAYDAY/TEL – 2013-2015: MAYDAY/TEL
282013-2015: IMMOBI
297.5A IMMOBI – Charging system
3010A IGN – 2010-2012: Starter, engine electronics
2013-2015: Engine electronics
3110A DOME – Luggage compartment lighting, interior lighting, visor mirror lighting, door lamps. footwell lighting
327.5A ECU-B NO. 1 – 2010-2012: Interior lighting, steering column adjustment, multiflex unit, instrument cluster. windows, driver’s memory, seat control unit, boot door, windscreen indicator, starter, air conditioning, central locking system.
10A ECU-B NO. 1 – 2013-2015: Steering column adjustments, multifunction control unit, instrument cluster. driver’s settings memory, seat control unit, boot door, windscreen indicator, starter, mirror control unit, garage door remote control
3310A EFI NO. 1 – Engine electronics, transmission control unit (2013-2015)
347.5A WIP-S – 2010-2012: Wiper and washer unit
2013-2015: Cruise control
357.5A AFS – 2010-2012: Adaptive Lighting System
10A ECU-IG1 NO. 4 – 2013-2015: Air conditioning, heated rear window, cooling fans, vehicle stabilisation system
367.5A BK/UP LP – Back-up lamps
377.5A HEATER NO. 2 – 2010-2012: Air conditioning, four-wheel drive system
ECU-IG1 NO. 5 – 2013-2015: Air conditioner
3810A ECU IG1 – 2010-2012: Adaptive lighting system, headlight washer, cooling fan, air suspension, vehicle stabilisation system, integrated vehicle dynamics control system
ECU-IG1 NO. 6 – 2013-2015: Headlight washer, cruise control, vehicle stabilisation system, blind spot monitoring system
3910A EFI NO.2 – Engine electronics
4015A F/PUMP – Engine electronics
4125A DEICER – Windscreen wiper and washer
427.5A STOP – 2010-2012: Vehicle stabilisation system, integrated vehicle dynamics control system, additional stop signal
2013-2015: Vehicle stabilisation system, integrated vehicle dynamics control system, brake light bulbs, transmission control unit, engine electronics, transmission selector lock, starter motor
4320A TOWING BATT – Trailer battery
4430A TOWING – Trailer Lighting
4510A FILTER – 2010-2012: Air conditioner fan
4630A IG1 MAIN – 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
4715A H-LP RH HI – Right high beam
4815A H-LP LH HI – Left high beam
4910A BIXENON – 2010-2012: Headlights
5015A H-LP RH LO – Near right light
5115A H-LP LH LO – Near left light
5210A HORN – Horn
5320A A/F – Engine electronics
547.5A S-HORN – Anti-theft system siren
557.5A DRL – Daytime Running Lights

Relay

Relays

Appointment

  • R1 – Starter relay
  • R2 – Air conditioner compressor clutch relay
  • R3 – IG1 relay
  • R4 – Brush defroster relay
  • R5 – AHC system relay
  • R6 – Injection system main relay
  • R7 –
  • R8 – Fuel pump cut-off relay
  • R9 – IG2 relay
  • R10 – Fuel pump relay
  • R11 – Rear window heater relay
  • R12 – Electric fan motor relay.

Fuse box

A further fuse box is located at the front of the engine compartment.

location C

Diagram

Diagram 3

Decoding

  1. ECB MAIN 1 – 10A Brake system
  2. ECB MAIN 2 – 10A Brake system
  3. BATT FAN – 15A Battery cooling fan
  4. OIL PUMP – 10A Oil pump (hybrid system)
  5. A/C W/P – 10A Air conditioning and ventilation system.

In the luggage compartment, a high power fuse box is located on the battery plus terminal.

location LC

Purpose

  1. 180A MAIN – Main (all electrical components)
  2. 50A RR-B – Capacitor, DCDC-S
  3. 80A EPS – Electric power steering.

 

That’s all for now, and if you have anything to add – write in the comments.

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