2013 Lexus GX Fuse Box Diagram
The 2 fuse boxes on the 2013 Lexus GX, 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 658 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 658 of your owner's manual.
Where it isInside the car, under or behind the dashboard. Page 663 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 663 of your owner's manual.
2013 GX engine bay fuses
Engine compartment. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 40A | Fuse (size not listed) | A/C RR: Rear air conditioning system |
| 2 | 50A | Fuse (size not listed) | AIR SUS: Air suspension system, AIR SUS NO.2 |
| 3 | 15A | Fuse (size not listed) | INV: Inverter |
| 4 | 30A | Fuse (size not listed) | DEF: Rear window defogger |
| 5 | 20A | Fuse (size not listed) | DEICER: Windshield wiper deicer |
| 6 | 30A | Fuse (size not listed) | SUB BATT: Towing |
| 7 | 20A | Fuse (size not listed) | IG2: Injector, ignition, meter |
| 8 | 10A | Fuse (size not listed) | HORN: Horn |
| 9 | 25A | Fuse (size not listed) | EFI: EFI ECU, A/F heater relay, fuel pump relay, EFI NO.2 |
| 10 | 20A | Fuse (size not listed) | A/F: A/F SSR |
| 11 | 10A | Fuse (size not listed) | FUEL OPN: Fuel lid opener |
| 12 | 20A | Fuse (size not listed) | S/HTR RR: Rear seat heater |
| 13 | 30A | Fuse (size not listed) | FOLD SEAT LH: Folding seat (left) |
| 14 | 30A | Fuse (size not listed) | FOLD SEAT RH: Folding seat (right) |
| 15 | 30A | Fuse (size not listed) | TOWING TAIL: Towing |
| 16 | 10A | Fuse (size not listed) | A/C COMP: Air conditioning system |
| 17 | 10A | Fuse (size not listed) | STRG HTR: Steering heater |
| 18 | 20A | Fuse (size not listed) | CDS FAN: Condenser fan |
| 19 | 10A | Fuse (size not listed) | STOP: Stop lights, high mount stop light, stop light switch, VSC ECU, towing, Smart access system with push button start |
| 20 | 7.5A | Fuse (size not listed) | AIR SUS NO.2: AIR SUS ECU |
| 21 | 15A | Fuse (size not listed) | H-LP RH-HI: Headlight high beam (right) |
| 22 | 15A | Fuse (size not listed) | H-LP LH-HI: Headlight high beam (left) |
| 23 | 50A | Fuse (size not listed) | HTR: Air conditioning system |
| 24 | 30A | Fuse (size not listed) | WIP WSH RR: Rear window wipers and washer |
| 25 | 30A | Fuse (size not listed) | H-LP CLN: Headlight cleaner |
| 26 | 30A | Fuse (size not listed) | ST: STARTER MTR |
| 27 | 25A | Fuse (size not listed) | H-LP HI: DIM relay, headlights, daytime running light system |
| 28 | 7.5A | Fuse (size not listed) | ALT-S: ALT |
| 29 | 15A | Fuse (size not listed) | TURN & HAZ: Front turn signal light, rear turn signal light, side turn signal light, meter turn signal light |
| 30 | 25A | Fuse (size not listed) | D/L NO.1: Door lock motor, glass hatch opener |
| 31 | 10A | Fuse (size not listed) | ETCS: EFI ECU |
| 32 | 15A | Fuse (size not listed) | FUEL PMP: FPC |
| 33 | 30A | Fuse (size not listed) | TOWING: Towing |
| 34 | 140A | Fuse (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 |
| 35 | 80A | Fuse (size not listed) | P/I-B: Injector, ignition, meter, EFI, A/F heater, horn |
| 36 | 15A | Fuse (size not listed) | RAD NO.1: Audio system, navigation system, rear seat entertainment system |
| 37 | 7.5A | Fuse (size not listed) | AM2: Starter system |
| 38 | 10A | Fuse (size not listed) | RAD NO.2: Navigation system |
| 39 | 7.5A | Fuse (size not listed) | MAYDAY: MAYDAY |
| 40 | 30A | Fuse (size not listed) | AMP: Audio system |
| 41 | 50A | Fuse (size not listed) | ABS NO.1: ABS, VSC |
| 42 | 30A | Fuse (size not listed) | ABS NO.2: ABS, VSC |
| 43 | 50A | Fuse (size not listed) | AIR PMP: Air pump |
| 44 | 10A | Fuse (size not listed) | SECURITY: SECURITY |
| 45 | 7.5A | Fuse (size not listed) | SMART: Smart access system with push button start |
| 46 | 20A | Fuse (size not listed) | STRG LOCK: Steering lock system |
| 47 | 30A | Fuse (size not listed) | TOWING BRK: Towing |
| 48 | 15A | Fuse (size not listed) | WIP RR: Rear window wiper |
| 49 | 10A | Fuse (size not listed) | DOME: Interior lights, personal lights, vanity lights, door courtesy lights, footwell lights, outer foot lights, overhead module |
| 50 | 10A | Fuse (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 |
| 51 | 7.5A | Fuse (size not listed) | WSH FR NO.2: DSS#1 ECU |
| 52 | 15A | Fuse (size not listed) | H-LP RH-LO: Headlight low beam (right), headlight leveling system |
| 53 | 15A | Fuse (size not listed) | H-LP LH-LO: Headlight low beam (left), headlight leveling system |
| 54 | 10A | Fuse (size not listed) | INJ: Coil, injector, ignition, noise filter |
| 55 | 10A | Fuse (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 |
| 56 | 7.5A | Fuse (size not listed) | WIP FR NO.2: DSS#1 ECU |
| 57 | 15A | Fuse (size not listed) | WSH RR SPARE: Rear window washer |
| 58 | – | Fuse (size not listed) | 59 SPARE: Spare fuse Spare fuse |
2013 GX interior panel fuses
Under the instrument panel. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 15A | Fuse (size not listed) | P/OUTLET: Power outlet |
| 2 | 7.5A | Fuse (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 |
| 3 | 10A | Fuse (size not listed) | BKUP LP: Back-up lights, audio system, multi information display, DSS#2 ECU, parking assist sensor |
| 4 | 10A | Fuse (size not listed) | TOWING BKLP: Towing |
| 5 | 20A | Fuse (size not listed) | AVS: Air suspension system |
| 6 | 10A | Fuse (size not listed) | KDSS: KDSS ECU |
| 7 | 20A | Fuse (size not listed) | 4WD: 4WD system, rear differential lock |
| 8 | 30A | Fuse (size not listed) | P/SEAT FL: Front power seat (left) |
| 9 | 25A | Fuse (size not listed) | D/L NO.2: Door lock motor, glass hatch opener, BODY ECU |
| 10 | 30A | Fuse (size not listed) | PSB: PSB ECU |
| 11 | 15A | Fuse (size not listed) | & TE: Tilt and telescopic steering |
| 12 | 15A | Fuse (size not listed) | FOG FR: Front fog lights |
| 13 | 7.5A | Fuse (size not listed) | OBD: DLC 3 |
| 14 | 7.5A | Fuse (size not listed) | A/C: Air conditioning system |
| 15 | 7.5A | Fuse (size not listed) | AM1: Starting system |
| 16 | 25A | Fuse (size not listed) | DOOR RL: Rear power window (left) |
| 17 | 10A | Fuse (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 |
| 18 | 7.5A | Fuse (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 |
| 19 | 10A | Fuse (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 |
| 20 | 20A | Fuse (size not listed) | S/HTR FR: Seat heater and ventilator |
| 21 | 30A | Fuse (size not listed) | P/SEAT FR: Front power seat (right) |
| 22 | 30A | Fuse (size not listed) | DOOR P: Front power window (passenger’s side), outside rear view mirror memory |
| 23 | 10A | Fuse (size not listed) | DOOR: Power window |
| 24 | 25A | Fuse (size not listed) | DOOR D: Front power window (driver’s side) |
| 25 | 25A | Fuse (size not listed) | DOOR RR: Rear power window (right) |
| 26 | 25A | Fuse (size not listed) | S/ROOF: Moon roof |
| 27 | 30A | Fuse (size not listed) | WIP: Windshield wipers and washer |
| 28 | 20A | Fuse (size not listed) | WASHER: Windshield wipers and washer, rear window wipers and washer |
| 29 | 10A | Fuse (size not listed) | COOLING: Cool box |
| 30 | 10A | Fuse (size not listed) | IGN: EFI ECU, C/OPN RLY, VSC ECU, air bag ECU, smart entry & start system, steering lock ECU, CAN gateway ECU |
| 31 | 7.5A | Fuse (size not listed) | GAUGE: Meter |
| 32 | 7.5A | Fuse (size not listed) | PANEL: Switch illumination, glove box light, cup holder lights, auxiliary 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 |
| 33 | 10A | Fuse (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: 2013 Lexus GX Owner's Manual, "Fuses" section, p. 658 and 663.
Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.