Fuse Box Diagrams

2015 Lexus LX Fuse Box Diagram

The 4 fuse boxes on the 2015 Lexus LX, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Year2011201320142015All years

Where it isUnder the hood in the engine bay, left side. Page 791 of the owner's manual shows the exact spot.

Slot map: the fuses are listed in the manual's order, not where they sit in the box. Match the numbers to the label inside the box cover, or the drawing on page 791 of your owner's manual.

ENGINE COMPARTMENT (FUSE BOX ON THE LEFT SIDE) · SLOT MAP, NOT TO SCALE115A210A325A430A550A625A720A815A915A1025A1130A1230A1350A1450A1550A1650A1750A1840A1940A2030A2130A22100A2350A2430A25150A26180A2750A2850A2940A3050A3130A3230A337.5A345A357.5A365A3730A387.5A3930A4025A4120A4215A4320A4410A455A4630A4710A485A4910A5015A5115A5210A535A5410A555A5615A5715A587.5A597.5A605A615A6215A6330A

2015 LX engine bay (left side) fuses

Engine compartment (fuse box on the left side). Tap a row to find it on the diagram.

No.AmpsTypeProtects
115AFuse (size not listed)A/F: A/F heater
210AFuse (size not listed)HORN: Horn
325AFuse (size not listed)EFI MAIN: Multiport fuel injection system/ sequential multiport fuel injection system, A/F heater, fuel pump
430AFuse (size not listed)IG2 MAIN: INJ, IGN, MET
550AFuse (size not listed)RR A/C: Blower controller
625AFuse (size not listed)CDS FAN: Condenser fan
720AFuse (size not listed)RR S/HTR: Rear seat heater
815AFuse (size not listed)FR FOG: Front fog lights
915AFuse (size not listed)STOP: Stoplights, high mounted stoplight, brake controller, ABS, VSC, main body ECU, Multiport fuel injection system/sequential multiport fuel injection system, trailer
1025AFuse (size not listed)SEAT-A/C LH: Seat heaters and ventilators
1130AFuse (size not listed)HWD4
1230AFuse (size not listed)HWD3
1350AFuse (size not listed)AHC: 4-Wheel AHC
1450AFuse (size not listed)PTC-1: PTC heater
1550AFuse (size not listed)PTC-2: PTC heater
1650AFuse (size not listed)PTC-3: PTC heater
1750AFuse (size not listed)RH-J/B: RH-J/B
1840AFuse (size not listed)SUB BATT: Towing
1940AFuse (size not listed)VGRS: VGRS ECU
2030AFuse (size not listed)H-LP CLN: Headlight cleaner
2130AFuse (size not listed)DEFOG: Rear window defogger
22100AFuse (size not listed)SUB-R/B: SUB-R/B
2350AFuse (size not listed)HTR: Front air conditioning system
2430AFuse (size not listed)PBD: Power back door ECU
25150AFuse (size not listed)LH-J/B: LH-J/B
26180AFuse (size not listed)ALT: Alternator
2750AFuse (size not listed)A/PUMP NO.1: AI DRIVER
2850AFuse (size not listed)A/PUMP NO.2: AI DRIVER 2
2940AFuse (size not listed)MAIN: Headlight, daytime running light system, HEAD LL, HEAD RL, HEAD LH, HEAD RH
3050AFuse (size not listed)ABS1: ABS
3130AFuse (size not listed)ABS2: ABS
3230AFuse (size not listed)ST: Starter system
337.5AFuse (size not listed)IMB: ID code box, smart access system with push-button start, GBS
345AFuse (size not listed)AM2: Main body ECU
357.5AFuse (size not listed)DOME2: Vanity lights, overhead module, rear interior light
365AFuse (size not listed)ECU-B2: Driving position memory system, power back door ECU, power third seat
3730AFuse (size not listed)AMP 2: Audio system
387.5AFuse (size not listed)RSE: Rear seat entertainment
3930AFuse (size not listed)TOWING: Towing
4025AFuse (size not listed)DOOR NO.2: Main body ECU
4120AFuse (size not listed)STR LOCK: Steering lock system
4215AFuse (size not listed)TURN-HAZ: Meter, front turn signal lights, side turn signal lights, rear turn signal lights, trailer
4320AFuse (size not listed)EFI MAIN2: Fuel pump
4410AFuse (size not listed)ETCS: Multiport fuel injection system/ sequential multiport fuel injection system
455AFuse (size not listed)ALT-S: IC-ALT
4630AFuse (size not listed)AMP 1: Audio system
4710AFuse (size not listed)RAD NO.1: Navigation system, audio system, parking assist system
485AFuse (size not listed)ECU-B1: Smart access system with push-button start, overhead module, yaw rate & G sensor, tilt and telescopic steering, meter, cool box, gateway ECU, steering sensor, VGRS
4910AFuse (size not listed)DOME1: Illuminated entry system, power third seat switch, power back door switch, clock
5015AFuse (size not listed)HEAD LH: Headlight high beam (left)
5115AFuse (size not listed)HEAD LL: Headlight low beam (left)
5210AFuse (size not listed)INJ: Injector, ignition system
535AFuse (size not listed)MET: Meter
5410AFuse (size not listed)IGN: Circuit open, SRS airbag system, gateway ECU, smart access system with push-button start, ABS, VSC, steering lock system, GBS
555AFuse (size not listed)DRL: Daytime running lights
5615AFuse (size not listed)HEAD RH: Headlight high beam (right)
5715AFuse (size not listed)HEAD RL: Headlight low beam (right)
587.5AFuse (size not listed)EFI NO.2: Air injection system, air flow meter
597.5AFuse (size not listed)RR A/C NO.2
605AFuse (size not listed)DEF NO.2: Outside rear view mirror defoggers
615AFuse (size not listed)SPARE: Spare fuse
6215AFuse (size not listed)SPARE: Spare fuse
6330AFuse (size not listed)SPARE: Spare fuse

2015 LX engine bay (right side) fuses

Engine compartment (fuse box on the right side). Tap a row to find it on the diagram.

No.AmpsTypeProtects
130AFuse (size not listed)HWD1
230AFuse (size not listed)TOW BRK: Brake controller
330AFuse (size not listed)RR P/SEAT: Power second seat
47.5AFuse (size not listed)PWR HTR
520AFuse (size not listed)DEICER: Windshield wiper de-icer
610AFuse (size not listed)ALT-CDS: ALT-CDS
75AFuse (size not listed)SECURITY: SECURITY
825AFuse (size not listed)SEAT A/C RH: Seat heaters and ventilators
910AFuse (size not listed)AI PMP HTR: AI pump heater
1030AFuse (size not listed)TOW TAIL: Towing tail light system
1130AFuse (size not listed)HWD2

2015 LX driver's side panel fuses

Driver’s side instrument panel. Tap a row to find it on the diagram.

No.AmpsTypeProtects
115AFuse (size not listed)CIG: Cigarette lighter
210AFuse (size not listed)BK/UP LP: Back-up lights, trailer
37.5AFuse (size not listed)ACC: Audio system, parking assist system, multi-display assembly, main body ECU, mirror ECU, satellite radio, smart access system with push-button start
410AFuse (size not listed)PANEL: Ashtray, brake controller, cigarette lighter, cool box, center differential lock, driving mode switches, multiinformation display, air conditioning system, glove box light, audio system, emergency flashers, headlight cleaner switch, driving position memory buttons, outside rear view mirror switches, overhead module, roll sensing curtain shield airbags off switch, rear heater panel, shift lever switch, power back door main switch, camera switch, VSC OFF switch, steering switch, console switch, instrument panel light control
510AFuse (size not listed)ECU-IG No.2: Air conditioning system, rear heater panel, overhead module, ABS, VSC, steering sensor, yaw rate & G sensor, main body ECU, stoplights, moon roof, anti-glare inside rear view mirror
65AFuse (size not listed)WINCH
710AFuse (size not listed)A/C IG: Cool box, condenser fan, cooler compressor, rear window and outside rear view mirror defoggers, smog sensor
815AFuse (size not listed)TAIL: Tail lights, license plate lights, front fog lights, parking lights, side marker lights
930AFuse (size not listed)WIPER: Windshield wiper
1020AFuse (size not listed)WSH: Windshield washer
1115AFuse (size not listed)RR WIPER: Rear window wiper and washer
1220AFuse (size not listed)4WD: Four-wheel drive system
135AFuse (size not listed)LH-IG: Alternator, towing, seat heater and ventilators, windshield wiper de-icer, front seat belt, emergency flasher, inverter switch, shift lever switch
145AFuse (size not listed)ECU-IG No.1: ABS, VSC, tilt and telescopic steering, gateway ECU, shift lock system, parking assist system, cruise control switch, pre-collision system, headlight cleaner, multi-display assembly, rainsensing windshield wiper, driving position memory system, power door lock system
1525AFuse (size not listed)S/ROOF: Moon roof
1620AFuse (size not listed)RR DOOR RH: Power windows
1715AFuse (size not listed)MIR: Mirror ECU, outside rear view mirror defoggers
1820AFuse (size not listed)RR DOOR LH: Power windows
1920AFuse (size not listed)FR DOOR LH: Power windows
2020AFuse (size not listed)FR DOOR RH: Power windows
217.5AFuse (size not listed)RR FOG
227.5AFuse (size not listed)A/C: Air conditioning system
235AFuse (size not listed)AM1
2415AFuse (size not listed)& TE: Tilt and telescopic steering
2530AFuse (size not listed)FR P/SEAT RH: Power seat
2615AFuse (size not listed)PWR OUTLET: Power outlet
277.5AFuse (size not listed)OBD: On Board Diagnostics
2830AFuse (size not listed)PSB: Pre-collision system
2925AFuse (size not listed)DR/LCK: Main body ECU
3030AFuse (size not listed)FR P/SEAT LH: Power seat
3115AFuse (size not listed)INVERTER: Inverter

2015 LX passenger side panel fuses

Passenger’s side instrument panel. Tap a row to find it on the diagram.

No.AmpsTypeProtects
130AFuse (size not listed)RSF LH: Third seat adjustment (left)
230AFuse (size not listed)B/DR CLSR RH: Back door closer
330AFuse (size not listed)B/DR CLSR LH: Back door closer
430AFuse (size not listed)RSF RH: Third seat adjustment (right)
515AFuse (size not listed)DOOR DL
620AFuse (size not listed)AHC-B: 4-Wheel AHC
75AFuse (size not listed)TEL: Multimedia
87.5AFuse (size not listed)TOW BK/UP: Towing
910AFuse (size not listed)AHC-B No.2: 4-Wheel AHC
105AFuse (size not listed)ECU-IG No.4: VGRS, power back door, rear ECU, 4-Wheel AHC, third seat adjustment, tire pressure warning system ECU
1110AFuse (size not listed)SEAT-A/C FAN: Ventilators
1220AFuse (size not listed)SEAT-HTR: Seat heaters
135AFuse (size not listed)AFS: Adaptive Front-lighting System
145AFuse (size not listed)ECU-IG No.3: Adaptive Front-lighting System, dynamic radar cruise control system
1510AFuse (size not listed)STRG HTR: Heated steering wheel
1610AFuse (size not listed)TV: Multi-display assembly

Blade fuse colours

  • 5A Tan
  • 7.5A Brown
  • 10A Red
  • 15A Blue
  • 20A Yellow
  • 25A Clear
  • 30A Green
  • 35A Blue-green
  • 40A Orange

Cartridge (J-case) colours

  • 20A Blue
  • 25A White
  • 30A Pink
  • 40A Green
  • 50A Red
  • 60A Yellow

Source: 2015 Lexus LX Owner's Manual, "Fuses" section, p. 791 and 795 and 796 and 800.

Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.