Fuse Box Diagrams

2012 Lexus LFA Fuse Box Diagram

The 2 fuse boxes on the 2012 Lexus LFA, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Year2012All years

Where it isUnder the hood in the engine bay. Page 290 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 290 of your owner's manual.

ENGINE COMPARTMENT · SLOT MAP, NOT TO SCALE110A220A320A410A530A620A710A840A940A1050A117.5A1215A1315A145A1510A1610A1710A1850A1930A2030A2150A2230A2320A2420A2515A2610A2710A2810A

2012 LFA engine bay fuses

Engine compartment. Tap a row to find it on the diagram.

No.AmpsTypeProtects
110AFuse (size not listed)INJ: Multiport fuel injection system/ sequential multiport fuel injection system, noise filter
220AFuse (size not listed)A/PMP HTR: Multiport fuel injection system/ sequential multiport fuel injection system
320AFuse (size not listed)EFI: Multiport fuel injection system/ sequential multiport fuel injection system
410AFuse (size not listed)A/F HTR: Multiport fuel injection system/ sequential multiport fuel injection system
530AFuse (size not listed)SPARE: Spare fuse
620AFuse (size not listed)SPARE: Spare fuse
710AFuse (size not listed)SPARE: Spare fuse
840AFuse (size not listed)CDS FAN: Electric cooling fan
940AFuse (size not listed)WIP: Windshield wiper
1050AFuse (size not listed)ABS MTR1: Electronically controlled brake system
117.5AFuse (size not listed)ACC CUT: Starter system
1215AFuse (size not listed)H-LP RH: Headlight low/high beam (right-side)
1315AFuse (size not listed)H-LP LH: Headlight low/high beam (left-side)
145AFuse (size not listed)E/G IG: Multiport fuel injection system/ sequential multiport fuel injection system, ASG (Automated Sequential Gearbox)
1510AFuse (size not listed)IGN: Multiport fuel injection system/ sequential multiport fuel injection system, SRS airbag system, electronically controlled brake system, electric power control system
1610AFuse (size not listed)EFI NO.2: Multiport fuel injection system/ sequential multiport fuel injection system
1710AFuse (size not listed)EFI NO.1: Multiport fuel injection system/ sequential multiport fuel injection system
1850AFuse (size not listed)P/I: INJ, A/PMP HTR, EFI, A/F HTR
1930AFuse (size not listed)ST: Starter system
2030AFuse (size not listed)MAIN: H-LP RH, H-LP LH
2150AFuse (size not listed)ABS MTR2: Electronically controlled brake system
2230AFuse (size not listed)F/PMP: Multiport fuel injection system/ sequential multiport fuel injection system
2320AFuse (size not listed)IG2: IGN, E/G IG, ECU-IG2, GAUGE
2420AFuse (size not listed)D/C CUT: MPX-B, DOME, P-MPX-B (for suppressing parasitic current)
2515AFuse (size not listed)HORN: Horn
2610AFuse (size not listed)ETCS-RH: Multiport fuel injection system/ sequential multiport fuel injection system
2710AFuse (size not listed)ETCS-LH: Multiport fuel injection system/ sequential multiport fuel injection system
2810AFuse (size not listed)XENON: Headlight low/high beams

2012 LFA driver's side panel fuses

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

No.AmpsTypeProtects
120AFuse (size not listed)D-P/W: Power window (driver's side)
230AFuse (size not listed)D-PWR SEAT: Power seat (driver's side)
325AFuse (size not listed)DRLCK ALT: Main body ECU
45AFuse (size not listed)RLY SIG: PANEL
510AFuse (size not listed)OBD: On-board diagnosis
65AFuse (size not listed)AM1: D-ACC, P-ACC, CDS FAN, WIP, WASH, MIR HTR, D-S/HTR, P-S/ HTR, D-IG1-1, D-IG1-2, D-IG1-3, DIG1-4, P-IG1-1, P-IG1-2, P-IG1-3, PIG1-4, RR-IG1
715AFuse (size not listed)D-S/HTR: Seat heater (driver's side)
85AFuse (size not listed)D-ACC: Main body ECU
910AFuse (size not listed)R/MIR: Outside rear view mirrors
105AFuse (size not listed)D-IG1-1: CAN gateway ECU
115AFuse (size not listed)D-IG1-4: Seat heater (driver's side)
125AFuse (size not listed)D-IG1-2: Main body ECU, rear hatch, EPS (Electric Power Steering), tire pressure warning system, charging system, turn signal lights, emergency flashers
135AFuse (size not listed)D-IG1-3: Electronically controlled brake system, VDIM (Vehicle Dynamics Integrated Management)
1410AFuse (size not listed)ABS MAIN D2: Electronically controlled brake system
1510AFuse (size not listed)ABS MAIN D1: Electronically controlled brake system
1610AFuse (size not listed)STOP: Multiport fuel injection system/ sequential multiport fuel injection system, electronically controlled brake system, ASG (Automated Sequential Gearbox), stop/tail lights, high mounted stoplight
1725AFuse (size not listed)DRLCK BAT: Main body ECU
1810AFuse (size not listed)HAZ: Turn signal lights, emergency flashers, gauges and meters
195AFuse (size not listed)AM2: IGN, E/G IG, EFI NO.1, EFI NO.2, ECU-IG2, GAUGE, ASG-IG2
205AFuse (size not listed)PANEL: Interior lights
215AFuse (size not listed)DOME: Interior lights
2210AFuse (size not listed)MPX-B: Multiport fuel injection system/ sequential multiport fuel injection system, main body ECU, rear hatch, power seat (driver's side), gauges and meters, VDIM (Vehicle Dynamics Integrated Management)

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: 2012 Lexus LFA Owner's Manual, "Fuses" section, p. 290 and 293.

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