Fuse Box Diagrams

2010 Lexus GX Fuse Box Diagram

The 2 fuse boxes on the 2010 Lexus GX, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Year201020122013All years

Where it isUnder the hood in the engine bay. Page 648 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 648 of your owner's manual.

ENGINE COMPARTMENT · SLOT MAP, NOT TO SCALE140A250A315A430A520A630A720A810A925A1020A1110A1220A1330A1430A1530A1610A1710A1820A1910A207.5A2115A2215A2350A2430A2530A2680A2730A2825A297.5A3015A3125A3210A3315A3430A35140A3680A3715A387.5A3910A407.5A4130A4250A4330A4450A4510A467.5A4720A4830A4915A5010A5110A527.5A5315A5415A5510A5610A577.5A5815A59–

2010 GX engine bay fuses

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

No.AmpsTypeProtects
140AFuse (size not listed)A/C RR: Rear air conditioning system
250AFuse (size not listed)AIR SUS: Air suspension system, AIR SUS NO.2
315AFuse (size not listed)INV: Inverter
430AFuse (size not listed)DEF: Rear window defogger
520AFuse (size not listed)DEICER: Windshield wiper deicer
630AFuse (size not listed)SUB BATT: Towing
720AFuse (size not listed)IG2: Injector, ignition, meter
810AFuse (size not listed)HORN: Horn
925AFuse (size not listed)EFI: EFI ECU, A/F heater relay, fuel pump relay, EFI NO.2
1020AFuse (size not listed)A/F: A/F SSR
1110AFuse (size not listed)FUEL OPN: Fuel lid opener
1220AFuse (size not listed)S/HTR RR: Rear seat heater
1330AFuse (size not listed)FOLD SEAT LH: Folding seat (left)
1430AFuse (size not listed)FOLD SEAT RH: Folding seat (right)
1530AFuse (size not listed)TOWING TAIL: Towing
1610AFuse (size not listed)A/C COMP: Air conditioning system
1710AFuse (size not listed)STRG HTR: Steering heater
1820AFuse (size not listed)CDS FAN: Condenser fan
1910AFuse (size not listed)STOP: Stop lights, high mount stop light, stop light switch, VSC ECU, towing, Smart access system with push button start
207.5AFuse (size not listed)AIR SUS NO.2: AIR SUS ECU
2115AFuse (size not listed)H-LP RH-HI: Headlight high beam (right)
2215AFuse (size not listed)H-LP LH-HI: Headlight high beam (left)
2350AFuse (size not listed)HTR: Air conditioning system
2430AFuse (size not listed)WIP WSH RR: Rear window wipers and washer
2530AFuse (size not listed)H-LP CLN: Headlight cleaner
2680AFuse (size not listed)400W INV: AC INVERTER
2730AFuse (size not listed)ST: STARTER MTR
2825AFuse (size not listed)H-LP HI: DIM relay, headlights, daytime running light system
297.5AFuse (size not listed)ALT-S: ALT
3015AFuse (size not listed)TURN & HAZ: Front turn signal light, rear turn signal light, side turn signal light, meter turn signal light
3125AFuse (size not listed)D/L NO.1: Door lock motor, glass hatch opener
3210AFuse (size not listed)ETCS: EFI ECU
3315AFuse (size not listed)FUEL PMP: FPC
3430AFuse (size not listed)TOWING: Towing
35140AFuse (size not listed)ALT: Air conditioning system, AIR SUS, headlight cleaner, towing, folding seat, STOP, rear window defogger, MIR HTR, CDS FAN, RR FOG, DEICER, MG-CLT, RR SEAT HTR, STRG HTR, J/B, INV, RR WIP, RR WSH
3680AFuse (size not listed)P/I-B: Injector, ignition, meter, EFI, A/F heater, horn
3715AFuse (size not listed)RAD NO.1: Audio system, navigation system, rear seat entertainment system
387.5AFuse (size not listed)AM2: Starter system
3910AFuse (size not listed)RAD NO.2: Navigation system
407.5AFuse (size not listed)MAYDAY: MAYDAY
4130AFuse (size not listed)AMP: Audio system
4250AFuse (size not listed)ABS NO.1: ABS, VSC
4330AFuse (size not listed)ABS NO.2: ABS, VSC
4450AFuse (size not listed)AIR PMP: Air pump
4510AFuse (size not listed)SECURITY: Security horn, self power siren, double lock ECU
467.5AFuse (size not listed)SMART: Smart access system with push button start
4720AFuse (size not listed)STRG LOCK: Steering lock system
4830AFuse (size not listed)TOWING BRK: Towing
4915AFuse (size not listed)WIP RR: Rear window wiper
5010AFuse (size not listed)DOME: Interior lights, personal lights, vanity lights, door courtesy lights, footwell lights, outer foot lights, overhead module
5110AFuse (size not listed)ECU-B: BODY ECU, meter, heater, steering sensor, wireless remote control, seat position memory, tilt and telescopic steering, multi display, Smart access system with push button start, folding seat, cool box, DSS#2 ECU, steering switch, D-module switch, overhead module
527.5AFuse (size not listed)WSH FR NO.2: DSS#1 ECU
5315AFuse (size not listed)H-LP RH-LO: Headlight low beam (right), headlight leveling system
5415AFuse (size not listed)H-LP LH-LO: Headlight low beam (left), headlight leveling system
5510AFuse (size not listed)INJ: Coil, injector, ignition, noise filter
5610AFuse (size not listed)EFI NO.2: O2 SSR, AFM, ACIS VSV, AI COMB, KEY OFF PUMP, EYP VSV, EGR VALVE, CANISTER VSV, AI VSV RLY, AI PUMP HTR RLY
577.5AFuse (size not listed)WIP FR NO.2: DSS#1 ECU
5815AFuse (size not listed)WSH RR SPARE: Rear window washer
59–Fuse (size not listed)60 SPARE: Spare fuse Spare fuse

2010 GX interior panel fuses

Under the instrument panel. Tap a row to find it on the diagram.

No.AmpsTypeProtects
115AFuse (size not listed)P/OUTLET: Power outlet
27.5AFuse (size not listed)ACC: Outside rear view mirror motor, BODY ECU, air conditioning system, audio system, navigation system, parking assist system, back up relay, DSS#2 ECU, AT indicator, EFI ECU, shift lock ECU, DCM, MAYDAY ECU
310AFuse (size not listed)BKUP LP: Back-up lights, audio system, multi information display, DSS#2 ECU, parking assist sensor
410AFuse (size not listed)TOWING BKLP: Towing
520AFuse (size not listed)AVS: Air suspension system
610AFuse (size not listed)KDSS: KDSS ECU
720AFuse (size not listed)4WD: 4WD system, rear differential lock
830AFuse (size not listed)P/SEAT FL: Front power seat (left)
925AFuse (size not listed)D/L NO.2: Door lock motor, glass hatch opener, BODY ECU
1030AFuse (size not listed)PSB: PSB ECU
1115AFuse (size not listed)& TE: Tilt and telescopic steering
1215AFuse (size not listed)FOG FR: Front fog lights
137.5AFuse (size not listed)OBD: DLC 3
147.5AFuse (size not listed)A/C: Air conditioning system
157.5AFuse (size not listed)AM1: Starting system
1625AFuse (size not listed)DOOR RL: Rear power window (left)
1710AFuse (size not listed)ECU-IG NO.1: Shift lock ECU, VSC ECU, steering sensor, yaw rate sensor, sequential switch, auto wiper ECU, back up relay, tilt & telescopic steering, PSB ECU, DSS#1 ECU, front radar sensor, AFS ECU, TIRE PRESS ECU, DRIVER MON ECU
187.5AFuse (size not listed)IG1: Front turn signal light, rear turn signal light, side turn signal light, meter turn signal light, trailer light, ALT, VSC, C/ C switch
1910AFuse (size not listed)ECU-IG NO.2: Rear window defogger, outside rear view mirror memory, seat heater/ ventilator switch, inverter relay, air conditioning system, EC mirror, BODY ECU, exhaust gas sensor, parking assist sensor, navigation system, DSS#2 ECU, meter switch, accessory meter, folding seat ECU, O/H IG, head light cleaner, rear air conditioning system, deicer, D-module, rain sensor, air suspension, RR VLV ECU, steering heater, LKA, P/SEAT IND
2020AFuse (size not listed)S/HTR FR: Seat heater and ventilator
2130AFuse (size not listed)P/SEAT FR: Front power seat (right)
2230AFuse (size not listed)DOOR P: Front power window (passenger’s side), outside rear view mirror memory
2310AFuse (size not listed)DOOR: Power window
2425AFuse (size not listed)DOOR D: Front power window (driver’s side)
2525AFuse (size not listed)DOOR RR: Rear power window (right)
2625AFuse (size not listed)S/ROOF: Moon roof
2730AFuse (size not listed)WIP: Windshield wipers and washer
2820AFuse (size not listed)WASHER: Windshield wipers and washer, rear window wipers and washer
2910AFuse (size not listed)COOLING: Cool box
3010AFuse (size not listed)IGN: EFI ECU, C/OPN RLY, VSC ECU, air bag ECU, smart entry & start system, steering lock ECU, CAN gateway ECU
317.5AFuse (size not listed)GAUGE: Meter
327.5AFuse (size not listed)PANEL: Switch illumination, glove box light, navigation system, audio system, air conditioning system, outside rear view mirror switch, folding seat switch, multi-information display, P/SEAT IND, SHIFT, COOL BOX
3310AFuse (size not listed)TAIL: Front position lights, tail lights, license plate lights, EFI ECU, rear fog lights, towing, front fog lights

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 GX Owner's Manual, "Fuses" section, p. 648 and 653.

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