2010 Lexus IS C Fuse Box Diagram

The 3 fuse boxes on the 2010 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 437 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 437 of your owner's manual.

ENGINE COMPARTMENT (TYPE A FUSE BOX) · SLOT MAP, NOT TO SCALE115A220A330A420A530A610A710A810A960A1050A1130A1230A1330A1430A1560A1680A17150A1880A1950A2080A2130A2240A2340A2450A2550A2660A2780A

2010 IS C engine bay (type a) fuses

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

No.AmpsTypeProtects
115AFuse (size not listed)TURN-HAZ: Emergency flashers, turn signals
220AFuse (size not listed)IG2 MAIN: IG2, IGN, GAUGE
330AFuse (size not listed)RAD NO.2: Audio
420AFuse (size not listed)D/C CUT: DOME, MPX-B
530AFuse (size not listed)RAD NO.1: Audio
610AFuse (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
710AFuse (size not listed)DOME: Interior lights, meter, outer foot lights
810AFuse (size not listed)CDS: Power source
960AFuse (size not listed)E/G-B: FR CTRL-B, ETCS, ALT-S, A/F, TEL, STR LOCK
1050AFuse (size not listed)ABS1: VDIM
1130AFuse (size not listed)RH J/B-B: FR DOOR RH, AM2
1230AFuse (size not listed)MAIN: H-LP R LWR, H-LP L LWR
1330AFuse (size not listed)STARTER: Smart access system with push-button start
1430AFuse (size not listed)LH J/B-B: FR DOOR LH, SECURITY
1560AFuse (size not listed)P/I-B: INJ, F/PMP, EFI
1680AFuse (size not listed)EPS: Power steering
17150AFuse (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
1880AFuse (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
1950AFuse (size not listed)GLW PLG1: PTC heater
2080AFuse (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
2130AFuse (size not listed)ABS2: VDIM
2240AFuse (size not listed)FAN2: Electric cooling fans
2340AFuse (size not listed)FAN1: Electric cooling fans
2450AFuse (size not listed)HEATER: Air conditioning system
2550AFuse (size not listed)GLW PLG2: PTC heater
2660AFuse (size not listed)E/G-AM: H-LP CLN, FR CTRL-AM, A/C COMP
2780AFuse (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

2010 IS C engine bay (type b) fuses

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

No.AmpsTypeProtects
130AFuse (size not listed)SPARE: Spare fuse
225AFuse (size not listed)SPARE: Spare fuse
310AFuse (size not listed)SPARE: Spare fuse
425AFuse (size not listed)FR CTRL-B: Headlight high beam, HORN
515AFuse (size not listed)A/F: Exhaust system
610AFuse (size not listed)ETCS: Multiport fuel injection system/ sequential multiport fuel injection tem
77.5AFuse (size not listed)ALT-S: Charging system
810AFuse (size not listed)TEL: Lexus Enform
925AFuse (size not listed)STR LOCK: Steering lock system
1030AFuse (size not listed)H-LP CLN: Headlight cleaner
117.5AFuse (size not listed)A/C COMP: Air conditioning system
1225AFuse (size not listed)DEICER
1330AFuse (size not listed)FR CTRL-AM: WASHER, FR TAIL, FR FOG
1410AFuse (size not listed)IG2: Ignition system, multiport fuel injection system/sequential multiport fuel injection system
1510AFuse (size not listed)EFI NO.2: Fuel system, exhaust system
1615AFuse (size not listed)H-LP R LWR: Headlight low beam (right)
1715AFuse (size not listed)H-LP L LWR: Headlight low beam (left)
1825AFuse (size not listed)F/PMP: Fuel system
1925AFuse (size not listed)EFI: Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO. 2
2020AFuse (size not listed)INJ: Multiport fuel injection system/ sequential multiport fuel injection system
2115AFuse (size not listed)H-LP UPR: Headlight high beams
2210AFuse (size not listed)HORN: Horns
2320AFuse (size not listed)WASHER: Windshield washer
2410AFuse (size not listed)FR TAIL: Parking lights, front side marker lights
2515AFuse (size not listed)FR FOG: Front fog lights

2010 IS C driver's side panel fuses

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

No.AmpsTypeProtects
130AFuse (size not listed)FR P/SEAT LH: Power seat
27.5AFuse (size not listed)A/C: Air conditioning system
315AFuse (size not listed)MIR HTR: Outside rear view mirror defoggers
410AFuse (size not listed)TV NO.1: Display
510AFuse (size not listed)FUEL OPN: Fuel filler door opener
67.5AFuse (size not listed)TV NO.2
710AFuse (size not listed)TAIL: Tail lights, license plate lights, parking lights, side marker lights
87.5AFuse (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
97.5AFuse (size not listed)RR FOG
1010AFuse (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
1115AFuse (size not listed)FR S/HTR LH: Seat heaters and ventilators, air conditioning system
1220AFuse (size not listed)FR DOOR LH: Power windows, outside rear view mirrors
137.5AFuse (size not listed)SECURITY: Smart access system with push-button start
147.5AFuse (size not listed)H-LP LVL: AFS
1510AFuse (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
1630AFuse (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: 2010 Lexus IS C Owner's Manual, "Fuses" section, p. 437 and 440 and 442.

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