2012 Lexus IS C Fuse Box Diagram
The 3 fuse boxes on the 2012 Lexus IS C, 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 462 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 462 of your owner's manual.
Where it isUnder the hood in the engine bay. Page 465 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 465 of your owner's manual.
Where it isInside the car, under or behind the dashboard, driver's side. Page 467 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 467 of your owner's manual.
2012 IS C engine bay (type a) fuses
Engine compartment (type A fuse box). Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 15A | Fuse (size not listed) | TURN-HAZ: Emergency flashers, turn signals |
| 2 | 20A | Fuse (size not listed) | IG2 MAIN: IG2, IGN, GAUGE |
| 3 | 30A | Fuse (size not listed) | RAD NO.2: Audio |
| 4 | 20A | Fuse (size not listed) | D/C CUT: DOME, MPX-B |
| 5 | 30A | Fuse (size not listed) | RAD NO.1: Audio |
| 6 | 10A | Fuse (size not listed) | MPX-B: Headlights, front fog lights, parking lights, license plate lights, windshield washer, power windows, power seats, electric tilt and telescopic steering column, meter, smart access system with push-button start, outside rear view mirrors, air conditioning system, retractable hardtop, clock |
| 7 | 10A | Fuse (size not listed) | DOME: Interior lights, meter, outer foot lights |
| 8 | 10A | Fuse (size not listed) | CDS: Power source |
| 9 | 60A | Fuse (size not listed) | E/G-B: FR CTRL-B, ETCS, ALT-S, A/F, TEL, STR LOCK |
| 10 | 50A | Fuse (size not listed) | ABS1: VDIM |
| 11 | 30A | Fuse (size not listed) | RH J/B-B: FR DOOR RH, AM2 |
| 12 | 30A | Fuse (size not listed) | MAIN: H-LP R LWR, H-LP L LWR |
| 13 | 30A | Fuse (size not listed) | STARTER: Smart access system with push-button start |
| 14 | 30A | Fuse (size not listed) | LH J/B-B: FR DOOR LH, SECURITY |
| 15 | 60A | Fuse (size not listed) | P/I-B: INJ, F/PMP, EFI |
| 16 | 80A | Fuse (size not listed) | EPS: Power steering |
| 17 | 150A | Fuse (size not listed) | ALT: LH J/B-AM, E/G-AM, GLW PLG2, HEATER, FAN1, FAN2, ABS2, RH J/B-AM, GLW PLG1, RR R/B-AM |
| 18 | 80A | Fuse (size not listed) | RR R/B-AM: DEFOG, PSB, ROOF RH, ROOF LH, LGG RH, LGG LH, LGG LCK RH, LGG LCK LH, P-TRAY MAIN, P-TRAY SIDE |
| 19 | 50A | Fuse (size not listed) | GLW PLG1: PTC heater |
| 20 | 80A | Fuse (size not listed) | RH J/B-AM: 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, DOOR DL |
| 21 | 30A | Fuse (size not listed) | ABS2: VDIM |
| 22 | 40A | Fuse (size not listed) | FAN2: Electric cooling fans |
| 23 | 40A | Fuse (size not listed) | FAN1: Electric cooling fans |
| 24 | 50A | Fuse (size not listed) | HEATER: Air conditioning system |
| 25 | 50A | Fuse (size not listed) | GLW PLG2: PTC heater |
| 26 | 60A | Fuse (size not listed) | E/G-AM: H-LP CLN, FR CTRL-AM, DEICER, A/C COMP |
| 27 | 80A | Fuse (size not listed) | LH J/B-AM: FR P/SEAT LH, TV NO.1, A/C, FUEL OPN, FR WIP, LH-IG, ECU-IG LH, PANEL, TAIL, MIR HTR, FR S/HTR LH, TV NO. 2, RR FOG |
2012 IS C engine bay (type b) fuses
Engine compartment (type B fuse box). Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 30A | Fuse (size not listed) | SPARE: Spare fuse |
| 2 | 25A | Fuse (size not listed) | SPARE: Spare fuse |
| 3 | 10A | Fuse (size not listed) | SPARE: Spare fuse |
| 4 | 25A | Fuse (size not listed) | FR CTRL-B: Headlight high beam, HORN |
| 5 | 15A | Fuse (size not listed) | A/F: Exhaust system |
| 6 | 10A | Fuse (size not listed) | ETCS: Multiport fuel injection system/ sequential multiport fuel injection system |
| 7 | 7.5A | Fuse (size not listed) | ALT-S: Charging system |
| 8 | 10A | Fuse (size not listed) | TEL: Lexus Enform |
| 9 | 25A | Fuse (size not listed) | STR LOCK: Steering lock system |
| 10 | 30A | Fuse (size not listed) | H-LP CLN: Headlight cleaner |
| 11 | 7.5A | Fuse (size not listed) | A/C COMP: Air conditioning system |
| 12 | 25A | Fuse (size not listed) | DEICER: Windshield wiper de-icer |
| 13 | 30A | Fuse (size not listed) | FR CTRL-AM: WASHER, FR TAIL, FR FOG |
| 14 | 10A | Fuse (size not listed) | IG2: Ignition system, multiport fuel injection system/sequential multiport fuel injection system |
| 15 | 10A | Fuse (size not listed) | EFI NO.2: Fuel system, exhaust system |
| 16 | 15A | Fuse (size not listed) | H-LP R LWR: Headlight low beam (right) |
| 17 | 15A | Fuse (size not listed) | H-LP L LWR: Headlight low beam (left) |
| 18 | 25A | Fuse (size not listed) | F/PMP: Fuel system |
| 19 | 25A | Fuse (size not listed) | EFI: Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO. 2 |
| 20 | 20A | Fuse (size not listed) | INJ: Multiport fuel injection system/ sequential multiport fuel injection system |
| 21 | 15A | Fuse (size not listed) | H-LP UPR: Headlight high beams |
| 22 | 10A | Fuse (size not listed) | HORN: Horns |
| 23 | 20A | Fuse (size not listed) | WASHER: Windshield washer |
| 24 | 10A | Fuse (size not listed) | FR TAIL: Parking lights, front side marker lights |
| 25 | 15A | Fuse (size not listed) | FR FOG: Front fog lights |
2012 IS C driver's side panel fuses
Driver’s side instrument panel. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 30A | Fuse (size not listed) | FR P/SEAT LH: Power seat |
| 2 | 7.5A | Fuse (size not listed) | A/C: Air conditioning system |
| 3 | 15A | Fuse (size not listed) | MIR HTR: Outside rear view mirror defoggers |
| 4 | 10A | Fuse (size not listed) | TV NO.1: Display |
| 5 | 10A | Fuse (size not listed) | FUEL OPN: Fuel filler door opener |
| 6 | 7.5A | Fuse (size not listed) | TV NO.2 |
| 7 | 10A | Fuse (size not listed) | TAIL: Tail lights, license plate lights, parking lights, side marker lights |
| 8 | 7.5A | Fuse (size not listed) | PANEL: Air conditioning system, display, clock, cigarette lighter, power steering, headlight cleaner, retractable hardtop, ECT, ETCS, seat heaters and ventilators, trunk opener, outside rear view mirrors, shift lever light, traction control, audio, instrument panel light control |
| 9 | 7.5A | Fuse (size not listed) | RR FOG |
| 10 | 10A | Fuse (size not listed) | ECU-IG LH: Cruise control, air conditioning system, power steering, rain sensor, antiglare inside rear view mirror, shift lock system, tire inflation pressure warning system, vehicle stability control |
| 11 | 15A | Fuse (size not listed) | FR S/HTR LH: Seat heaters and ventilators, air conditioning system |
| 12 | 20A | Fuse (size not listed) | FR DOOR LH: Power windows, outside rear view mirrors |
| 13 | 7.5A | Fuse (size not listed) | SECURITY: Smart access system with push-button start |
| 14 | 7.5A | Fuse (size not listed) | H-LP LVL: Automatic head light leveling system |
| 15 | 10A | Fuse (size not listed) | LH-IG: Charging system, headlight cleaner, rear window defogger, electric cooling fans, emergency flashers, turn signal lights, back-up lights, stop lights, mirror heaters, seat belt pretensioner, intuitive parking assist, cruise control, PTC heater, exhaust system, smart access system with push-button start |
| 16 | 30A | Fuse (size not listed) | FR WIP: Windshield wipers |
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 IS C Owner's Manual, "Fuses" section, p. 462 and 465 and 467.
Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.