Lexus IS F 2008 Fuse Box Info
Passenger compartment fuse box location:
The fuse boxes are located under the instrument panel on the driver’s side, and on the passenger’s side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Driver’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. FR P/SEAT LH | 30A | Power seat |
| 2. A/C | 7.5A | Air conditioning system |
| 3. MIR HTR | 15A | Outside rear view mirror defoggers |
| 4. TV NO. 1 | 10A | Display |
| 5. FUEL OPEN | 10A | Fuel filler door opener |
| 6. TV NO. 2 | 7.5A | - |
| 7. PSB | 30A | Pre-collision seat belt |
| 8. S/ROOF | 25A | Moon roof |
| 9. TAIL | 10A | Tail lights, license plate lights, parking lights, rear side marker lights |
| 10. PANEL | 7.5A | Switch illumination, air conditioning system, display |
| 11. RR FOG | 7.5A | - |
| 12. ECU-IG LH | 10A | Cruise control, air conditioning system, electric power steering, shift lock system, moon roof, tire inflation pressure warning system |
| 13. FR S/HTR LH | 15A | Seat heaters and ventilators |
| 14. RR DOOR LH | 20A | Power windows |
| 15. FR DOOR LH | 20A | Power windows, outside rear view mirror (left) |
| 16. SECURITY | 7.5A | Smart access system with push-button start |
| 17. H-LP LVL | 7.5A | AFS |
| 18. LH-IG | 10A | Charging system, headlight cleaner, rear window defogger, electric cooling fans, emergency flashers, turn signal lights, back-up lights, stop lights, outside rear view mirror defoggers, seat belts, intuitive parking assist, air conditioning system |
| 19. FR WIP | 30A | Windshield wipers |
Passenger compartment fuse box (Passenger’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. FR P/SEAT RH | 30A | Power seat |
| 2. DOOR DL | 15A | - |
| 3. OBD | 7.5A | On-board diagnosis system |
| 4. STOP SW | 7.5A | Stop lights, VDIM |
| 5. TI & TE | 20A | Electric tilt and telescopic steering column |
| 6. RAD NO. 3 | 10A | Audio system |
| 7. GAUGE | 7.5A | Meters and gauges |
| 8. IGN | 10A | SRS airbag system, stop lights, steering lock system, fuel system, front passenger occupant classification system |
| 9. ACC | 7.5A | Clock, air conditioning system, audio system, navigation system, display, outside rear view mirrors, smart access system with push-button start, glove box light, console box light |
| 10. CIG | 15A | Cigarette lighter |
| 11. PWR OUTLET | 15A | Power outlet |
| 12. RR DOOR RH | 20A | Power windows |
| 13. FR DOOR RH | 20A | Power windows, outside rear view mirrors |
| 14. AM2 | 7.5A | Smart access system with push-button start |
| 15. RH-IG | 7.5A | Seat belts, intuitive parking assist, automatic transmission, seat heaters and ventilators |
| 16. FR S/HTR RH | 15A | Seat heaters and ventilators |
| 17. ECU-IG RH | 10A | Power seats, smart access system with push-button start, outside rear view mirrors, VDIM, air conditioning system, pre-collision seat belt, electric tilt and telescopic steering, power windows, navigation system |
Engine compartment fuse box (Fuse box A):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. ABS 3 | 25A | VDIM |
| 2. ALT-S | 7.5A | Charging system |
| 3. TURN-HAZ | 15A | Emergency flashers, turn signals |
| 4. IG2 MAIN | 20A | IG2, IGN, GAUGE |
| 5. RAD NO. 2 | 30A | Audio system |
| 6. D/C CUT | 20A | DOME, MPX-B |
| 7. RAD NO. 1 | 30A | Audio system |
| 8. MPX-B | 10A | Headlights, front fog lights, parking lights, license plate lights, windshield washer, horns, power door lock system, power windows, power seats, electric tilt and telescopic steering column, meters and gauges, smart access system with push-button start, outside rear view mirrors, air conditioning system, security system |
| 9. DOME | 10A | Interior lights, meters and gauges |
| 10. CDS | 10A | Electric cooling fans |
| 11. E/G-B | 60A | FR CTRL-B, ETCS, A/F, STR LOCK, INJ2 |
| 12. P/I-B | 60A | EFI, F/PMP, INJ |
| 13. ABS 1 | 50A | VDM |
| 14. RH J/B-B | 30A | FR DOOR RH, RR DOOR RH, AM2 |
| 15. VVT | 40A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 16. MAIN | 30A | H-LP R LWR, H-LP L LWR, headlight low beams |
| 17. STARTER | 30A | Smart access system with push-button start |
| 18. LH J/B-B | 30A | FR DOOR LH, RR DOOR LH, SECURITY |
| 19. EPS | 80A | Electric power steering |
| 20. ALT | 180A | LH J/B-AM, E/G-AM, HEATER, FAN1, FAN2, DEFOG, RH J/B-AM |
| 21. LH J/B-AM | 80A | S/ROOF, FR P/SEAT LH, TV NO.1, A/C, FUEL OPEN, PSB, FR WIP, H-LP LVL, LH-IG, ECU-IG LH, PANEL, TAIL, MIR HTR, TV NO. 2, FR S/HTR LH |
| 22. RH J/B-AM | 80A | OBD, STOP SW, TI&TE, FR P/SEAT RH, RAD NO. 3, ECU-IG RH, RH-IG, FR S/HTR RH, ACC, CIG, PWR OUTLET |
| 23. DEFOG | 50A | Rear window defogger |
| 24. FAN2 | 40A | Electric cooling fans |
| 25. FAN1 | 40A | Electric cooling fans |
| 26. HEATER | 50A | CDS, air conditioning system |
| 27. E/G-AM | 60A | H-LP CLN, FR CTRL-AM |
Engine compartment fuse box (Fuse box B):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. SPARE | 30A | Spare fuse |
| 2. SPARE | 25A | Spare fuse |
| 3. SPARE | 10A | Spare fuse |
| 4. FR CTRL-B | 25A | HORN, headlight high beams |
| 5. A/F | 15A | Exhaust system |
| 6. ETCS | 10A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 7. INJ2 | 25A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 8. STR LOCK | 25A | Steering lock system |
| 9. H-LP CLN | 30A | Headlight cleaner |
| 10. DEICER | 25A | - |
| 11. FR CTRL-AM | 30A | FR FOG, WASHER, FR TAIL |
| 12. IG2 | 10A | Ignition system |
| 13. EFI NO. 2 | 10A | Fuel system, exhaust system, multiport fuel injection system/sequential multiport fuel injection system |
| 14. H-LP R LWR | 15A | Headlight low beam (right) |
| 15. H-LP L LWR | 50A | Headlight low beam (left) |
| 16. F/PMP | 25A | Fuel system |
| 17. EFI | 25A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 18. INJ | 25A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 19. H-LP UPR | 15A | Headlight beams |
| 20. HORN | 10A | Horns |
| 21. WASHER | 20A | Windshield washer |
| 22. FR TAIL | 10A | Parking lights, side marker lights |
| 23. FR FOG | 15A | Front fog lights |
