Lexus LFA 2012 Fuse Box Info
Passenger compartment fuse box location:
The fuse boxes A and B are located under the instrument panel on the driver’s side, and on the passenger’s side.
Engine compartment fuse box location:
Luggage compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box A (Driver’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. D-P/W | 20A | Power window (driver's side) |
| 2. D-PWR SEAT | 30A | Power seat (driver's side) |
| 3. DRLCK ALT | 25A | Main body ECU |
| 4. RLY SIG | 5A | PANEL |
| 5. OBD | 10A | On-board diagnosis |
| 6. AM1 | 5A | 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, D-IG1-4, P-IG1-1, P-IG1-2, P-IG1-3, P-IG1-4, RR-IG1 |
| 7. D-S/HTR | 15A | Seat heater (driver's side) |
| 8. D-ACC | 5A | Main body ECU |
| 9. R/MIR | 10A | Outside rear view mirrors |
| 10. D-IG1-1 | 5A | CAN gateway ECU |
| 11. D-IG1-4 | 5A | Seat heater (driver's side) |
| 12. D-IG1-2 | 5A | Main body ECU, rear hatch, EPS (Electric Power Steering), tire pressure warning system, charging system, turn signal lights, emergency flashers |
| 13. D-IG1-3 | 5A | Electronically controlled brake system, VDIM (Vehicle Dynamics Integrated Management) |
| 14. ABS MAIN D2 | 10A | Electronically controlled brake system |
| 15. ABS MAIN D1 | 10A | Electronically controlled brake system |
| 16. STOP | 10A | Multiport fuel injection system/sequential multiport fuel injection system, electronically controlled brake system, ASG (Automated Sequential Gearbox), stop/tail lights, high mounted stoplight |
| 17. DRLCK BAT | 25A | Main body ECU |
| 18. HAZ | 10A | Turn signal lights, emergency flashers, gauges and meters |
| 19. AM2 | 5A | IGN, E/G IG, EFI NO.1, EFI NO.2, ECU-IG2, GAUGE, ASG-IG2 |
| 20. PANEL | 5A | Interior lights |
| 21. DOME | 5A | Interior lights |
| 22. MPX-B | 10A | 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) |
Passenger compartment fuse box B (Passenger’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. P-PWR SEAT | 30A | Power seat (passenger's side) |
| 2. P-P/W | 20A | Power window (passenger's side) |
| 3. DISPLAY2 | 10A | Navigation system |
| 4. DISPLAY1 | 10A | Remote Touch, navigation system, air conditioning system |
| 5. A/C | 10A | Air conditioning system |
| 6. P-ACC | 5A | Remote Touch, navigation system, air conditioning system, Lexus Enform |
| 7. P-CIG | 15A | Power outlet |
| 8. P-IG1-4 | 5A | Seat heater (passenger's side) |
| 9. P-IG1-1 | 5A | Multiport fuel injection system/sequential multiport fuel injection system, air conditioning system |
| 10. P-IG1-3 | 5A | SRS airbag system, VDIM (Vehicle Dynamics Integrated Management) |
| 11. P-IG1-2 | 5A | Navigation system, air conditioning system |
| 12. ABS MAIN P1 | 10A | - |
| 13. ABS MAIN P2 | 10A | Electronically controlled brake system |
| 14. PMG | 5A | Electric power control system |
| 15. RAD NO.1 | 10A | Audio system |
| 16. MAYDAY | 5A | Lexus Enform |
| 17. P-S/HTR | 15A | Seat heater (passenger's side) |
| 18. MIR HTR | 15A | Outside rear view mirror defoggers |
| 19. P-MPX-B | 15A | Multiport fuel injection system/sequential multiport fuel injection system, wireless remote door lock function, power seat (passenger’s side) |
| 20. GAUGE | 10A | Gauges and meters |
| 21. ECU-IG2 | 5A | Multiport fuel injection system/sequential multiport fuel injection system, ASG (Automated Sequential Gearbox), electric power control system, passenger occupant classification system, CAN gateway ECU, Lexus Enform |
Engine compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 1. INJ | 10A | Multiport fuel injection system/sequential multiport fuel injection system, noise filter |
| 2. A/PMP HTR | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 3. EFI | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 4. A/F HTR | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 5. SPARE | 30A | Spare fuse |
| 6. SPARE | 20A | Spare fuse |
| 7. SPARE | 10A | Spare fuse |
| 8. CDS FAN | 40A | Electric cooling fan |
| 9. WIP | 40A | Windshield wiper |
| 10. ABS MTR1 | 50A | Electronically controlled brake system |
| 11. ACC CUT | 7.5A | Starter system |
| 12. H-LP RH | 15A | Headlight low/high beam (right-side) |
| 13. H-LP LH | 15A | Headlight low/high beam (left-side) |
| 14. E/G IG | 5A | Multiport fuel injection system/sequential multiport fuel injection system, ASG (Automated Sequential Gearbox) |
| 15. IGN | 10A | Multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system, electronically controlled brake system, electric power control system |
| 16. EFI NO.2 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 17. EFI NO.1 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 18. P/I | 50A | INJ, A/PMP HTR, EFI, A/F HTR |
| 19. ST | 30A | Starter system |
| 20. MAIN | 30A | H-LP RH, H-LP LH |
| 21. ABS MTR2 | 50A | Electronically controlled brake system |
| 22. F/PMP | 30A | Multiport fuel injection system/sequential multiport fuel injection system |
| 23. IG2 | 20A | IGN, E/G IG, ECU-IG2, GAUGE |
| 24. D/C CUT | 20A | MPX-B, DOME, P-MPX-B (for suppressing parasitic current) |
| 25. HORN | 15A | Horn |
| 26. ETCS-RH | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 27. ETCS-LH | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 28. BI XENON | 10A | Headlight low/high beams |
Luggage compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 1. VSSR | 5A | Electric power control system |
| 2. RR-IG1 | 10A | Active rear wing, electric cooling fans, electronic parking brake, electronically controlled brake system, seat belts, navigation system, rear window defogger, back-up lights |
| 3. WASH | 20A | Windshield washer |
| 4. F/OPN | 10A | Fuel filler door opener |
| 5. TAIL | 10A | Parking lights, front side marker lights, rear side marker lights, license plate lights, stop/tail lights |
| 6. RR FOG | 7.5A | - |
| 7. AMP RH | 30A | Audio system |
| 8. AMP LH | 30A | Audio system |
| 9. OIL PMP | 25A | ASG (Automated Sequential Gearbox) |
| 10. RR ECU-B | 7.5A | Active rear wing, electronic parking brake |
| 11. ASG-IG2 | 7.5A | ASG (Automated Sequential Gearbox) |
| 12. ASG-B | 7.5A | ASG (Automated Sequential Gearbox) |
| 13. BK/UP BAT | 10A | Electronically controlled brake system |
| 14. ASG-SOL | 10A | ASG (Automated Sequential Gearbox) |
