Jonathan Yarden May 05, 2021 · 5 min. read
In this article you will find a description of fuses and relays Lexus,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2007, 2008, 2009
Engine compartment
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | ALT | 140 | Charging system, AM1, HEATER, CDS FAN, FR FOG, DEFOG, AIR SUS, AC INV, SEAT HEATER, OBD, STOP, J/B, RR AC, MIR HEATER, BATT CHG, TOWING BRK, TOWING |
| 2 | HEATER | 50 | Air conditioning system |
| 3 | AIRÂ SUS | 50 | Rear height control air suspension |
| 4 | AM1 | 50 | ACC, CIG, IG1, FR WIP-WSH, RR WIP, RR WSH, DIFF, ECU-IG, TEMS, STA |
| 5 | TOWING BRK | 30 | Trailer brake controller |
| 6 | J/B | 50 | P FR P/W, P RR P/W, D RR P/W, D P/SEAT, P P/SEAT, TAIL, PANEL, POWER OR TI&TE |
| 7 | BATTÂ CHG | 30 | Trailer sub battery |
| 8 | TOWING | 40 | Trailer lights |
| 9 | CDS FAN | 20 | Electric cooling fan |
| 10 | RR A/C | 30 | Rear air conditioning system |
| 11 | MIRÂ HEATER | 10 | Outside rear view mirror defogger |
| 12 | STOP | 10 | Stop lights, high mounted stoplight, shift lock control system, vehicle stability control system, electronic modulated suspension, rear height control air suspension, multiport fuel injection system/sequential multiport fuel injection systemmultiport fuel injection system |
| 13 | AC INV | 15 | Power outlet (115 VAC) |
| 14 | FR FOG | 15 | Front fog lights |
| 15 | OBD | 7,5 | Onâboard diagnosis system |
| 16 | HEADÂ (LO RH) | 10 | Rightâhand headlight (low beam) |
| 17 | HEADÂ (LO LH) | 10 | Leftâhand headlight (low beam) |
| 18 | HEAD (HI RH) | 10 | Rightâhand headlight (high beam) |
| 19 | HEADÂ (HI LH) | 10 | Leftâhand headlight (high beam) |
| 20 | EFI NO.2 | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
| 21 | HEATERÂ NO.2 | 7,5 | Air conditioning system |
| 22 | DEFOG | 30 | Rear window defogger |
| 23 | AIRSUSÂ NO.2 | 10 | Rear height control air suspension |
| 24 | SEATÂ HEATER | 20 | Seat heaters |
| 25 | DOME | 10 | Ignition switch light, interior lights, personal lights, foot lights, running board lights, door courtesy lights, inside door handle lights, trip information display |
| 26 | RADIO NO.1 | 20 | Audio system, navigation system |
| 27 | ECUâB | 10 | Multiplex communication system, vehicle stability control system, wireless remote control system, inside rear view mirror, air conditioning system, electronic modulated suspension, driving position memory system, power windows, moon roof, rear view monitor system |
| 28 | ECUâBÂ NO.2 | 10 | Theft deterrent system |
| 29 | ABS MTR | 40 | Antiâlock brake system, vehicle skid control system, active traction control system, brake assist system |
| 30 | AM2 | 30 | Starting system, IGN, SRS, GAUGE, ST2 |
| 31 | ABS SOL | 50 | Antiâlock brake system, vehicle skid control system, active traction control system, brake assist system |
| 32 | ALTâS | 7,5 | Charging system |
| 33 | MAYDAY | 7,5 | Lexus Link System |
| 34 | HORN | 10 | Horns |
| 35 | A/FÂ HEATER | 15 | A/F sensor |
| 36 | TRNâHAZ | 15 | Turn signal lights |
| 37 | ETCS | 10 | Electronic throttle control system |
| 38 | EFI | 20 | Multiport fuel injection system/sequential multiport fuel injection system |
| 39 | D FR P/W | 20 | Power window |
| 40 | DR/LCK | 25 | Power door lock |
| 41 | TOWING | 30 | Towing converter |
| 42 | RADIO NO.2 | 30 | Audio system, navigation system |
| 43 | A/PUMP | 50 | Multiport fuel injection system/sequential multiport fuel injection system |
Driverâs side instrument panel
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | IGN | 10 | Multiport fuel injection system/sequential multiport fuel injection system, vehicle stability control system |
| 2 | SRS | 10 | SRS airbag system, front passenger occupant classification system |
| 3 | GAUGE | 7,5 | Gauges and meters |
| 4 | ST2 | 7,5 | Multiport fuel injection system/sequential multiport fuel injection system |
| 5 | FR WIP-WSH | 30 | Windshield wipers, windshield washer |
| 6 | TEMS | 20 | Electronic modulated suspension |
| 7 | DIFF | 20 | Four-wheel drive system |
| 8 | RR WIP | 15 | Rear window wiper |
| 9 | D P/SEAT | 30 | Driverâs power seat |
| 10 | P P/SEAT | 30 | Front passengerâs power seat |
| 11 | PWR OUTLLET | 15 | Power outlet (12V DC) |
| 12 | IG1 NO.2 | 10 | Rear air conditioning system, inside rear view mirror, kinetic dynamic suspension system |
| 13 | RR WSH | 15 | Rear window washer |
| 14 | ECU-IG | 10 | Shift lock control system, power windows, outside rear view mirror defogger, anti-lock brake system, active traction control system, vehicle stability control system, air conditioning system, navigation system, power windows, moon roof, tilt and telescopic steering, trip information display, driving position memory system, rear view monitor system, tire pressure warning system |
| 15 | IG1 | 10 | Air conditioning system, back-up lights, rear window defogger, seat heaters, vehicle stability control system |
| 16 | STA | 7,5 | Multiport fuel injection system/ sequential multiport fuel injection system |
| 17 | P FR P/W | 20 | Front passengerâs power window |
| 18 | P RR P/W | 20 | Rear right side power window |
| 19 | D RR P/W | 20 | Rear left side power window |
| 20 | PANEL | 10 | Instrument panel lights |
| 21 | TAIL | 10 | Parking lights, tail lights, license plate lights, front fog lights |
| 22 | ACC | 7,5 | Shift lock control system, power outlet, outside rear view mirror, audio system, navigation system, power rear view mirrors, trip information display, rear view monitor system |
| 23 | CIG | 10 | Cigarette lighter |
| 24 | POWER OR TI&TE |
30 | Power windows, moon roof, tilt and telescopic steering |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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