2015 Lexus RX Fuse Box Diagram
The 2 fuse boxes on the 2015 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 706 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 706 of your owner's manual.
Where it isInside the car, under or behind the dashboard, driver's side. Page 711 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 711 of your owner's manual.
2015 RX engine bay fuses
Engine compartment. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 10 | 30A | Fuse (size not listed) | 8 H-LP CLN 9 PBD ST: Power back door Starter system A/F, H-LP RH HI, H-LP LH LO, RH LO, H-LP LH HI, HORN, SHORN |
| 13 | 60A | Fuse (size not listed) | EPS: Electric power steering system |
| 14 | 140A | Fuse (size not listed) | ALT: IG1 MAIN, TOWING BATT, DEICER, TOWING, STOP, RDI FAN NO. 1, FILTER, RR DEF, AIR SUS, HEATER, ABS NO. 2, H-LP CLN, PBD, ECU-IG1 NO. 1, ECU-IG1 NO. 3, GAUGE NO. 1, ECU-IG1 NO. 2, EPS, FR WIP, RR WIP, FR WASH, RR WASH, RH S-HTR, LH S-HTR, TAIL, PANEL, D/L ALT B, FR FOG, FR DOOR, FL DOOR, RR DOOR, RL DOOR, PSB, P-SEAT LH, P-SEAT RH, TI&TE, FUEL OPN, DR LOCK, OBD, RR FOG, S/ROOF, 4WD, INVERTER, ECU-ACC, P/POINT, CIG, RADIO NO. 2 |
| 15 | 30A | Fuse (size not listed) | AMP1: Audio system |
| 16 | 30A | Fuse (size not listed) | EFI MAIN: Multiport fuel injection system/ sequential multiport fuel injection system, electronic controlled transmission, EFI NO. 1, EFI NO. 2, F/PMP |
| 17 | 30A | Fuse (size not listed) | AMP2: Audio system |
| 18 | 30A | Fuse (size not listed) | IG2 MAIN: IGN, GAUGE NO. 2, ECU IG 2 |
| 19 | 25A | Fuse (size not listed) | J/B: Power door lock system |
| 20 | 20A | Fuse (size not listed) | STR LOCK: Starter system |
| 21 | 15A | Fuse (size not listed) | RAD NO. 3: Meters and gauges, navigation system, audio system |
| 22 | 15A | Fuse (size not listed) | HAZ: Emergency flashers |
| 23 | 10A | Fuse (size not listed) | ETCS: Multiport fuel injection system/ sequential multiport fuel injection system |
| 24 | 10A | Fuse (size not listed) | RAD NO. 1: Audio system, navigation system |
| 25 | 7.5A | Fuse (size not listed) | AM2: Starter system |
| 26 | 7.5A | Fuse (size not listed) | ECU-B NO. 2: Air conditioning system, front passenger occupant classification system, audio system, vehicle stability control system, power windows |
| 27 | 7.5A | Fuse (size not listed) | MAYDAY/TEL: MAYDAY/TEL |
| 28 | 7.5A | Fuse (size not listed) | IMMOBI: IMMOBI |
| 29 | 7.5A | Fuse (size not listed) | ALT-S: Charging system |
| 30 | 7.5A | Fuse (size not listed) | DRL: Daytime running light system |
| 31 | 10A | Fuse (size not listed) | IGN: Multiport fuel injection system/ sequential multiport fuel injection system |
| 32 | 10A | Fuse (size not listed) | DOME: Vanity mirror lights, luggage compartment lights, interior lights, personal lights, door courtesy lights, footwell lights, scuff lights |
| 33 | 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 |
| 34 | 10A | Fuse (size not listed) | EFI NO. 1: Multiport fuel injection system/ sequential multiport fuel injection system, electronic controlled transmission |
| 35 | 7.5A | Fuse (size not listed) | WIP-S: Cruise control |
| 36 | 10A | Fuse (size not listed) | ECU-IG1 NO. 4: Air conditioning system, rear window defogger, vehicle stability control system, electric cooling fans |
| 37 | 7.5A | Fuse (size not listed) | BK/UP LP: Back-up lights |
| 38 | 15A | Fuse (size not listed) | ECU-IG1 NO. 5: Air conditioning system |
| 39 | 10A | Fuse (size not listed) | ECU-IG1 NO. 6: Head light cleaner, cruise control, vehicle stability control, air conditioning system, Blind Spot Monitor |
| 40 | 10A | Fuse (size not listed) | EFI NO. 2: Multiport fuel injection system/ sequential multiport fuel injection system |
| 41 | 15A | Fuse (size not listed) | F/PMP: Multiport fuel injection system/ sequential multiport fuel injection system |
| 42 | 25A | Fuse (size not listed) | DEICER: Windshield wipers and washer |
| 43 | 7.5A | Fuse (size not listed) | STOP: Vehicle stability control, vehicle dynamics integrated management, stop lights, electronic controlled transmission, multiport fuel injection system/sequential multiport fuel injection system, shift lock control system, starter system |
| 44 | 20A | Fuse (size not listed) | TOWING BATT: Trailer battery |
| 45 | 30A | Fuse (size not listed) | TOWING: Trailer lights |
| 46 | 10A | Fuse (size not listed) | FILTER |
| 47 | 30A | Fuse (size not listed) | IG1 MAIN: ECU-IG1 NO. 6, BK/UP LP, ECUIG1 NO. 5, ECU-IG1 NO. 4 |
| 48 | 15A | Fuse (size not listed) | H-LP RH HI: Right-hand headlight (high beam) |
| 49 | 15A | Fuse (size not listed) | H-LP LH HI: Left-hand headlight (high beam) |
| 50 | 10A | Fuse (size not listed) | BIXENON |
| 51 | 15A | Fuse (size not listed) | H-LP RH LO: Right-hand headlight (low beam) |
| 52 | 15A | Fuse (size not listed) | H-LP LH LO: Left-hand headlight (low beam) |
| 53 | 10A | Fuse (size not listed) | HORN: Horn |
| 54 | 20A | Fuse (size not listed) | A/F: Multiport fuel injection system/ sequential multiport fuel injection system |
| 55 | 7.5A | Fuse (size not listed) | S-HORN: S-HORN |
| 706 | 50A | Fuse (size not listed) | 12 ABS NO. 1: Vehicle stability control |
2015 RX driver's side panel fuses
Driver’s side instrument panel. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| 1 | 15A | Fuse (size not listed) | P/POINT: Power outlet |
| 2 | 10A | Fuse (size not listed) | ECU-ACC: Navigation system, air conditioning system, audio system, multiplex communication system, multi-information display, head-up display |
| 3 | 15A | Fuse (size not listed) | CIG: Power outlet |
| 4 | 7.5A | Fuse (size not listed) | RADIO NO. 2: Audio system, navigation system |
| 5 | 10A | Fuse (size not listed) | GAUGE NO. 1: Emergency flashers, navigation system, head-up display, air conditioning system, charging system |
| 6 | 10A | Fuse (size not listed) | ECU-IG1 NO. 3: Outside rear view mirror, windshield wipers and washer, seat heaters, starter system, power outlet, moon roof, air conditioning system |
| 7 | 10A | Fuse (size not listed) | ECU-IG1 NO. 1: Multiplex communication system, steering sensor, shift lock control system, tilt and telescopic steering, automatic transmission system, power back door, pre-collision system, vehicle stability control system, tire pressure warning system |
| 8 | 30A | Fuse (size not listed) | S/ROOF: Moon roof |
| 9 | 7.5A | Fuse (size not listed) | FUEL OPN: Fuel filler door opener |
| 10 | 30A | Fuse (size not listed) | PSB: Pre-collision seat belt |
| 11 | 30A | Fuse (size not listed) | & TE: Tilt and telescopic steering system |
| 12 | 10A | Fuse (size not listed) | DR LOCK |
| 13 | 7.5A | Fuse (size not listed) | FR FOG: Front fog lights |
| 14 | 30A | Fuse (size not listed) | P-SEAT LH: Power seat (left-side) |
| 15 | 7.5A | Fuse (size not listed) | 4WD: AWD system |
| 16 | 20A | Fuse (size not listed) | INVERTER: Power outlet |
| 17 | 7.5A | Fuse (size not listed) | RR FOG |
| 18 | 25A | Fuse (size not listed) | D/L ALT B: Multiplex communication system, power door lock system, power back door |
| 19 | 10A | Fuse (size not listed) | EPS: Electric power steering system |
| 20 | 10A | Fuse (size not listed) | ECU-IG1 NO. 2: Intuitive parking assist, AWD system, pre-collision seat belt |
| 21 | 10A | Fuse (size not listed) | PANEL: Switch illumination, navigation system, automatic transmission system, audio system, multi-information display, air conditioning system, multiplex communication system |
| 22 | 10A | Fuse (size not listed) | TAIL: Parking lights, front side marker lights, tail lights, license plate lights, front fog lights, towing converter |
| 23 | 20A | Fuse (size not listed) | AIR SUS |
| 24 | 30A | Fuse (size not listed) | P-SEAT RH: Power seat (right-side) |
| 25 | 7.5A | Fuse (size not listed) | OBD: On-Board diagnosis |
| 26 | 25A | Fuse (size not listed) | FR DOOR: Front power window (right-side), outside rear view mirror |
| 27 | 25A | Fuse (size not listed) | RR DOOR: Rear power window (right-side) |
| 28 | 25A | Fuse (size not listed) | FL DOOR: Front power window (left-side), outside rear view mirror |
| 29 | 25A | Fuse (size not listed) | RL DOOR: Rear power window (left-side) |
| 30 | 25A | Fuse (size not listed) | FR WASH: Windshield wipers and washer |
| 31 | 15A | Fuse (size not listed) | RR WIP: Windshield wipers and washer |
| 32 | 20A | Fuse (size not listed) | RR WASH: Windshield wipers and washer |
| 33 | 30A | Fuse (size not listed) | FR WIP: Windshield wipers and washer |
| 34 | 10A | Fuse (size not listed) | ECU IG2: Multiport fuel injection system/ sequential multiport fuel injection system, front passenger occupant classification system, SRS airbag system, stop lights, electronic controlled transmission, steering lock system |
| 35 | 7.5A | Fuse (size not listed) | GAUGE NO. 2: Gauge and meters |
| 36 | 15A | Fuse (size not listed) | RH S-HTR: Seat heater (right-side) |
| 37 | 15A | Fuse (size not listed) | LH S-HTR: Seat heater (left-side) |
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: 2015 Lexus RX Owner's Manual, "Fuses" section, p. 706 and 711.
Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.