2013 Lexus RX Fuse Box Diagram
The fuse box on the 2013 Lexus RX, 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 813 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 813 of your owner's manual.
2013 RX engine bay fuses
Engine compartment (type B fuse box). Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 50A | Fuse (size not listed) | RR DEF: Rear window defogger |
| 2 | 50A | Fuse (size not listed) | AIR SUS |
| 3 | 50A | Fuse (size not listed) | HEATER: Air conditioning system |
| 4 | 50A | Fuse (size not listed) | ABS NO. 1: Electronically controlled brake system |
| 5 | 40A | Fuse (size not listed) | RDI FAN NO. 1: Electric cooling fans |
| 6 | 40A | Fuse (size not listed) | RDI FAN NO. 2: Electric cooling fans |
| 7 | 30A | Fuse (size not listed) | H-LP CLN: Headlight cleaner |
| 8 | 30A | Fuse (size not listed) | PBD: Power back door |
| 9 | 30A | Fuse (size not listed) | HV R/B NO. 1: PCU, IGCT NO. 2, IGCT NO. 3, INV W/P |
| 10 | 50A | Fuse (size not listed) | PD: A/F, H-LP RH HI, H-LP LH LO, H-LP RH LO, H-LP LH HI, HORN, SHORN |
| 11 | 50A | Fuse (size not listed) | ABS NO. 2: Electronically controlled brake system |
| 12 | 80A | Fuse (size not listed) | HV R/B NO. 2: ABS MAIN NO. 1, ABS MAIN NO. 2, A/C W/P, BATT FAN, OIL PMP |
| 18 | 30A | Fuse (size not listed) | 16 AMP2 17 IG2 MAIN J/B 19 STR LOCK: IGN, GAUGE NO. 2, ECU IG2 Power door lock system Starter systemOnly on: some versions (check the rating on the old fuse) |
| 18 | 25A | Fuse (size not listed) | 16 AMP2 17 IG2 MAIN J/B 19 STR LOCK: IGN, GAUGE NO. 2, ECU IG2 Power door lock system Starter systemOnly on: some versions (check the rating on the old fuse) |
| 18 | 20A | Fuse (size not listed) | 16 AMP2 17 IG2 MAIN J/B 19 STR LOCK: IGN, GAUGE NO. 2, ECU IG2 Power door lock system Starter systemOnly on: some versions (check the rating on the old fuse) |
| 20 | 15A | Fuse (size not listed) | RAD NO. 3 21 HAZ: Meters and gauges, navigation system, audio system |
| 22 | 10A | Fuse (size not listed) | ETCS: Multiport fuel injection system/ sequential multiport fuel injection system |
| 23 | 10A | Fuse (size not listed) | RAD NO. 1 814: Audio system, navigation system |
| 24 | 7.5A | Fuse (size not listed) | AM2: Starter system |
| 25 | 7.5A | Fuse (size not listed) | ECU-B NO. 2: Air conditioning system, front passenger occupant classification system, audio system, vehicle dynamics integrated management, power windows, electric power steering system |
| 26 | 7.5A | Fuse (size not listed) | MAYDAY/TEL: MAYDAY/TEL |
| 27 | 7.5A | Fuse (size not listed) | IMMOBI: IMMOBI |
| 28 | 15A | Fuse (size not listed) | ABS MAIN NO. 3: Brake system |
| 29 | 7.5A | Fuse (size not listed) | DRL: Daytime running light system |
| 30 | 10A | Fuse (size not listed) | IGN: Multiport fuel injection system/ sequential multiport fuel injection system |
| 31 | 10A | Fuse (size not listed) | DOME: Vanity mirror lights, luggage compartment lights, interior lights, personal lights, door courtesy lights, footwell lights, scuff lights |
| 32 | 10A | Fuse (size not listed) | ECU-B NO. 1: Tilt and telescopic steering, multiplex communication system, meters and gauges, driving position memory, power seats, power back door, headup display, starter system, outside rear view mirror, steering sensor, garage door opener |
| 33 | 10A | Fuse (size not listed) | EFI NO. 1: Multiport fuel injection system/ sequential multiport fuel injection system |
| 34 | 7.5A | Fuse (size not listed) | WIP-S: Cruise control |
| 35 | 10A | Fuse (size not listed) | ECU-IG1 NO. 4: Air conditioning system, rear window defogger, electronically controlled brake system, electric cooling fans |
| 36 | 7.5A | Fuse (size not listed) | BK/UP LP: Back-up lights |
| 37 | 15A | Fuse (size not listed) | ECU-IG1 NO. 5: Air conditioning system |
| 38 | 10A | Fuse (size not listed) | ECU-IG1 NO. 6: Head light cleaner, cruise control, air conditioning system, Blind Spot Monitor |
| 39 | 10A | Fuse (size not listed) | EFI NO. 2: Multiport fuel injection system/ sequential multiport fuel injection system |
| 40 | 15A | Fuse (size not listed) | F/PMP: Multiport fuel injection system/ sequential multiport fuel injection system |
| 41 | 25A | Fuse (size not listed) | DEICER: Windshield wipers and washer |
| 42 | 7.5A | Fuse (size not listed) | STOP: Vehicle Proximity Notification System, vehicle dynamics integrated management, stop lights, multiport fuel injection system/sequential multiport fuel injection system, shift lock control system, starter system, cruise control |
| 43 | 20A | Fuse (size not listed) | TOWING BATT |
| 44 | 30A | Fuse (size not listed) | TOWING: Trailer lights |
| 45 | 10A | Fuse (size not listed) | FILTER |
| 46 | 30A | Fuse (size not listed) | IG1 MAIN: ECU-IG1 NO. 6, BK/UP LP, ECUIG1 NO. 5, ECU-IG1 NO. 4 |
| 47 | 15A | Fuse (size not listed) | H-LP RH HI: Right-hand headlight (high beam) |
| 48 | 15A | Fuse (size not listed) | H-LP LH HI: Left-hand headlight (high beam) |
| 49 | 10A | Fuse (size not listed) | BIXENON |
| 50 | 15A | Fuse (size not listed) | H-LP RH LO: Right-hand headlight (low beam) |
| 51 | 15A | Fuse (size not listed) | H-LP LH LO: Left-hand headlight (low beam) |
| 52 | 10A | Fuse (size not listed) | HORN: Horn |
| 53 | 20A | Fuse (size not listed) | A/F: Multiport fuel injection system/ sequential multiport fuel injection system |
| 54 | 7.5A | Fuse (size not listed) | S-HORN: S-HORN |
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 RX Owner's Manual, "Fuses" section, p. 813.
Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.