2015 Lexus GS Fuse Box Diagram

The 3 fuse boxes on the 2015 Lexus GS, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Where it isUnder the hood in the engine bay. Page 430 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 430 of your owner's manual.

ENGINE COMPARTMENT (TYPE A FUSE BOX) · SLOT MAP, NOT TO SCALE140A240A340A480A5150A6100A780A810A97.5A1080A1180A1250A1340A1450A1550A1650A1750A1830A1930A2030A217.5A227.5A237.5A2410A2510A2620A2750A2830A2940A3080A3160A3230A3340A347.5A3510A

2015 GS engine bay (type a) fuses

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

No.AmpsTypeProtects
140AFuse (size not listed)LH J/B-B: Left-hand junction block
240AFuse (size not listed)VGRS: VGRS
340AFuse (size not listed)RH J/B-B: Right-hand junction block
480AFuse (size not listed)P/I-B NO.2: F/PMP, EFI MAIN, A/F HTR, EDU, IG2 MAIN
5150AFuse (size not listed)ALT: RH J/B ALT, P/I ALT, LH J/B ALT, LUG J/B ALT
6100AFuse (size not listed)P/I ALT: RR DEF, TAIL, FR FOG, DEICER, PANEL, RR S/SHADE
780AFuse (size not listed)RH J/B ALT: Right-hand junction block
810AFuse (size not listed)MPX-B: Smart access system with push-button start, CAN gateway ECU, electric tilt and telescopic steering column, power seats, headup display, front right-hand door ECU, gauges and meters, steering sensor, yaw rate and G sensor, overhead module, RR CTRL SW, clock, front left-hand door ECU, power trunk lid, body ECU
97.5AFuse (size not listed)DOME: Personal lights, ornament lights, trunk light, footwell lights, door courtesy lights, vanity lights, rear door inside handle illuminations, power trunk opener and closer
1080AFuse (size not listed)EPS: EPS
1180AFuse (size not listed)ARS: Dynamic rear steering
1250AFuse (size not listed)HTR: Air conditioning system
1340AFuse (size not listed)ABS NO.1: VDIM
1450AFuse (size not listed)LUG J/B ALT: Luggage compartment junction block
1550AFuse (size not listed)PTC NO.1: PTC heater
1650AFuse (size not listed)PTC NO.2: PTC heater
1750AFuse (size not listed)ABS NO.2: VDIM
1830AFuse (size not listed)ST: Starting system
1930AFuse (size not listed)H-LP LO: Headlights, H-LP RLY
2030AFuse (size not listed)D/C CUT: DOME, MPX-B
217.5AFuse (size not listed)DCM: DCM
227.5AFuse (size not listed)ECU-B: VGRS, smart access system with push-button start
237.5AFuse (size not listed)ALT-S: Charging system
2410AFuse (size not listed)ETCS: Multiport fuel injection system/sequential multiport fuel injection system
2510AFuse (size not listed)HORN: Horn
2620AFuse (size not listed)R/B-B: EPS-B, ODS, TV
2750AFuse (size not listed)P/I-B NO.1: Headlights, daytime running lights
2830AFuse (size not listed)EPB: Parking brake
2940AFuse (size not listed)LUG J/B-B: Luggage compartment junction block
3080AFuse (size not listed)FAN NO.1: Electric cooling fans
3160AFuse (size not listed)LH J/B ALT: Left-hand junction block
3230AFuse (size not listed)H-LP CLN
3340AFuse (size not listed)FAN NO.2
347.5AFuse (size not listed)A/C COMP
3510AFuse (size not listed)FILTER

2015 GS engine bay (type b) fuses

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

No.AmpsTypeProtects
110AFuse (size not listed)Fuse IGN
210AFuse (size not listed)INJ
310AFuse (size not listed)EFI NO.2
420AFuse (size not listed)IG2 MAIN
525AFuse (size not listed)EFI MAIN
615AFuse (size not listed)A/F
720AFuse (size not listed)EDU
825AFuse (size not listed)F/PMP
930AFuse (size not listed)SPARE
1020AFuse (size not listed)SPARE: Spare fuse
1110AFuse (size not listed)SPARE: Spare fuse
1220AFuse (size not listed)H-LP LH-LO: Left-hand headlight
1320AFuse (size not listed)H-LP RH-LO: Right-hand headlight
145AFuse (size not listed)WASH-S: Driver support system
157.5AFuse (size not listed)WIP-S: Windshield wipers, power management system
165AFuse (size not listed)COMB SW: Windshield wipers
177.5AFuse (size not listed)TV: Remote Touch screen
185AFuse (size not listed)EPS-B: Electric power steering
195AFuse (size not listed)ODS: Occupant classification system
205AFuse (size not listed)IG2 NO.1: Power management system, DCM, CAN gateway ECU
215AFuse (size not listed)GAUGE: Gauges and meters
225AFuse (size not listed)IG2 NO.2: Multiport fuel injection system/sequential multiport fuel injection system

2015 GS driver's side panel fuses

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

No.AmpsTypeProtects
17.5AFuse (size not listed)STOP: Stop lights, high mounted stoplight
25AFuse (size not listed)P/W-B: Power window master switch
330AFuse (size not listed)P/SEAT1 F/L: Power seats
425AFuse (size not listed)D/L NO.1: Power door lock system
510AFuse (size not listed)NV-IR: Lexus night view
610AFuse (size not listed)FL S/HTR: Seat heaters/ventilators
730AFuse (size not listed)WIPER: Windshield wipers
85AFuse (size not listed)WIPER-IG: Windshield wipers
910AFuse (size not listed)LH-IG: Seat belts, body ECU, AFS, overhead module, raindrop sensor, inside rear view mirror, lane camera sensor (LKA), head-up display, shift lock system, intuitive parking assist, front left-hand door ECU, driver monitor system, Remote Touch screen, electric tilt and telescopic steering column, power seats, moon roof, intuitive parking assist switch, Blind Spot Monitor buzzer
1010AFuse (size not listed)LH ECU-IG: VDIM, D-SW MODULE (Blind Spot Monitor, heated steering wheel), driver support system, AFS, EPB
1130AFuse (size not listed)DOOR FL: Outside rear view mirror defoggers, power window (front left-hand)
1210AFuse (size not listed)CAPACITOR (HV)
1315AFuse (size not listed)STRG LOCK: Steering lock
1425AFuse (size not listed)D/L NO.2: Power door lock system
1530AFuse (size not listed)DOOR RL: Power window (rear left-hand)
1615AFuse (size not listed)HAZ: Turn signal lights, emergency flashers
1710AFuse (size not listed)LH-IG2: Multiport fuel injection system/sequential multiport fuel injection system, stop lights, smart access system with push-button start, steering lock system
187.5AFuse (size not listed)LH J/B-B: Body ECU
1920AFuse (size not listed)S/ROOF: Moon roof
2025AFuse (size not listed)P/SEAT2 F/L: Power seats
2120AFuse (size not listed)& TE: Electric tilt and telescopic steering column
227.5AFuse (size not listed)A/C: Air conditioning system

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 GS Owner's Manual, "Fuses" section, p. 430 and 432 and 434.

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