Engine compartment (Type A)
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | ECU-B | 10 | VGRS, EPS, Driver’s seat switch module, Lexus Link System ECU |
| 2 | ABS MAIN3 | 10 | ECB system |
| 3 | TURN-HAZ | 15 | Turn signal lights, Emergency flashers |
| 4 | IG2 MAIN | 20 | IG2, GAUGE and IGN |
| 5 | RND NO.2 | 30 | Audio system |
| 6 | D/C CUT | 20 | DOME and MPX-B |
| 7 | RND NO.1 | 30 | Audio system |
| 8 | MPX-B | 10 | Multiplex communication system, Front controller, Door control system (Power door lock system, Door courtesy lights, Power windows, Power rear view mirror control system, Outside rear view mirror heaters), Power seat system, Steering sensors, ECB system, Power tilt and telescopic steering wheel, Gauges and meters, Combination switch |
| 9 | DOME | 10 | Foot lights, Vanity lights, Gauges and meters, Steering spot light, Steering switch illumination, Rear personal lights, Automatic transmission selector lever spot light, Front personal lights |
| 10 | CDS | 10 | NOIS FILTER |
| 11 | ABS MAIN2 | 10 | ECB system |
| 12 | ABS MOTOR | 30 | ABS |
| 13 | ABS MAIN1 | 10 | Capacitor |
| 14 | E/G-B | 60 | FR CTRL BATT, ECTS and ALT-S |
| 15 | ABS1 | 50 | VSC system, ABS MAIN1, ABS MAIN2 and ABS MTR |
| 16 | RH J/B-B | 30 | AM2, DOOR FR, and DOOR RR |
| 17 | VGRS | 40 | VGRS |
| 18 | MAIN | 30 | H-LP R LWR and H-LP L LWR |
| 19 | STARTER | 30 | Starting system |
| 20 | LH J/B-B | 30 | FL DOOR, RL DOOR and RND NO.3 |
| 21 | P/I-B | 60 | Multi-port fuel injection system/sequential multiport fuel injection system |
| 22 | EPS | 80 | EPS |
| 23 | ALT | 150 | RH J/B-AM, LH J/B-AM, E/G-AM, RR JB, HEATER, DEFOG, FAN1, FAN2, ABS2, ABS MOTOR, ABS MAIN1, and ABS MAIN2 |
| 24 | RR J/B | 80 | STOP LP R, STOP LP L, RR-B, RR TAIL, RR FOG, RR-IG1, PSB, and RR S/SHADE |
| 25 | GLW PLG1 | 50 | Glow plug heater |
| 26 | RH J/B-AM | 80 | AM1, OBD, STOP SW, TI&TE, PWR OUTLET, FR P/SEAT RH, STR LOCK, ECU-IG RH, RH-IG, ACC, CIG, SECURITY, FR S/HER RH and AIR SUS |
| 27 | ABS2 | 30 | VSC, ABS |
| 28 | DEFOG | 50 | Rear window defogger, Noise filter |
| 29 | CDS | 40 | F: CDS |
| 30 | FAN1 | 40 | Electric cooling fans |
| 31 | HEATER | 50 | Air conditioning system |
| 32 | GLW PLG2 | 50 | Glow plug heater |
| 33 | E/G-AM | 60 | H-LMP CLN, FR CTRL-AM and A/C COMP |
| 34 | LH J/B-AM | 80 | S/ROOF, FR P/SEAT LH, TV, FR S/HTR LH, FR WIP, H-LP LVL, LH-IG, FUEL OPEN, A/C, PANEL and LH-B |
| 35 | FAN2 | 60 | — |
Engine compartment (Type B)
6: only for GS430 equipped with active stabilizer suspension system
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | FR CTRL-B | 25 | Headlight high beam, horn |
| 2 | A/F | 15 | Exhaust system |
| 3 | ETCS | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
| 4 | ALT-S | 7,5 | Charging system |
| 5 | H-LP CLN | 30 | Headlight cleaner |
| 6 | STB-AM | 30 | DC/DC converter |
| 7 | A/C COMP | 7,5 | Air conditioning system |
| 8 | DEICER | 25 | — |
| 9 | FR CTRL-AM | 30 | Front fog lights, parking lights, windshield washer |
| 10 | IG2 | 10 | Ignition system |
| 11 | EFI NO.2 | 10 | Fuel system, exhaust system |
| 12 | H-LP R LWR | 15 | Headlight low beam (right) |
| 13 | H-LP L LWR | 15 | Headlight low beam (left) |
| 14 | F/PMP | 25 | Fuel system |
| 15 | EFI | 20 (GS430) | Multiport fuel injection system/sequential multiport fuel injection system |
| 25 (GS350) | |||
| 16 | INJ | 20 | Multiport fuel injection system/sequential multiport fuel injection system |
| 17 | H-LP UPR | 15 | Headlight high beams |
| 18 | HORN | 10 | Horns |
| 19 | WASHER | 20 | Windshield washer |
| 20 | FR TAIL | 10 | Parking lights |
| 21 | FR FOG | 15 | Front fog lights |
Driver’s side instrument panel
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | FR P/SEAT LH | 30 | Power seat system |
| 2 | A/C | 7,5 | Air conditioning system |
| 3 | TV | 7,5 | Audio system, Air conditioning system, Rear view monitor system |
| 4 | TRK OPN | 10 | Trunk lid opener |
| 5 | LH-B | 10 | Theft deterrent system |
| 6 | S/ROOF | 25 | Moon roof |
| 7 | PANEL | 7,5 | Steering switch illumination, Audio system, Glove box light, Automatic transmission selector lever illumination, Console box light, Adaptive variable suspension switch illumination, Cigarette lighter illumination, Air conditioning system, VSC off switch illumination, Driving pattern selector switch, Seat heater or Heated and ventilated seat switches, Register ILL RH, Register ILL LH,Register ILL CTR |
| 8 | FUEL OPEN | 10 | Fuel filler door opener, Trunk lid opener |
| 9 | ECU-IG LH | 10 | VSC system, ECB system, Yaw rate and G sensor, Steering sensor, Cruise control system, Dynamic radar cruise control system, EPS system, VGRS system, Rear view monitor system, Four-wheel drive system, FR S/HTR LHFront controller, Moon roof, Rain sensor |
| 10 | FR S/HTR LH | 15 | Seat heater or Heated and ventilated seats |
| 11 | RR DOOR LH | 20 | Rear left door control system (Power door lock system, Door courtesy light, Power window |
| 12 | FR DOOR LH | 20 | Front left door control system (Power door lock system, Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window |
| 13 | RAD NO.3 | 10 | Audio system |
| 14 | H-LP LVL | 7,5 | AFS, Automatic headlight leveling control system |
| 15 | LH-IG | 10 | Charging system, Headlight cleaners, Exhaust gas sensor, Rear window defogger, Electric cooling fans, Rear left door control system, Front left door control system, Emergency flashers, Automatic transmission, Seat belt pretensioners, Intuitive parking assist |
| 16 | FR WIP | 30 | Windshield wipers and washer |
Passenger’s side instrument panel
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | FR P/SEAT RH | 30 | Power seat system |
| 2 | OBD | 7,5 | On-board diagnosis system |
| 3 | STOP SW | 7,5 | Stop/tail lights, Multi-port fuel injection system/sequential multiport fuel injection system, Starting system, ECB system, VSC system, Shift lock system |
| 4 | AM1 | 7,5 | — |
| 5 | TI&IE | 20 | Power tilt and telescopic steering wheel, Multiplex communication system |
| 6 | SECURITY | 7,5 | Smart access system with push-button start |
| 7 | STR LOCK | 25 | Steering lock system |
| 8 | GAUGE | 7,5 | Gauges and meters |
| 9 | IGN | 10 | Multi-port fuel injection system/sequential multiport fuel injection system, SRS airbag system, Stop/tail lights, Steering lock system, ECB system, Lexus Link System ECU, Occupant classification system ECU |
| 10 | ACC | 7,5 | Multiplex communication system, Smart access system with push-button start, Rear view monitor system, Audio system, Air conditioning system, Lexus Link System ECU |
| 11 | CIG | 15 | Cigarette lighter |
| 12 | PWR OUTLET | 15 | Power outlet |
| 13 | AIR SUS | 20 | Adaptive variable suspension system |
| 14 | RR DOOR RH | 20 | Rear right door control system (Power door lock system, Door courtesy light, Power window) |
| 15 | FR DOOR RH | 20 | Front right door control system (Power door lock system, Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window), Multiplex communication system |
| 16 | AM2 | 15 | Starting system |
| 17 | RH-IG | 7,5 | Seat heater switches, Front right door control system, Rear right door control system, Capacitor, Combination switch, Seat belt pretensioners, Intuitive parking assist |
| 18 | FR S/HTR RH | 15 | Seat heaters and ventilators |
| 19 | ECU-IG RH | 10 | Electric tilt and telescopic steering, Multiplex communication system, Smart access system with push-button start, Audio system, Air conditioning system, Shift lock system, Tire pressure warning system, Combination switch, Front stabilizer, Rear stabilizer, DC/DC converter |
Luggage compartment
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | RR S/SHADE | 7,5 | Rear sunshade |
| 2 | PSB | 30 | Pre-collision seat belt |
| 3 | RR-IG2 | 10 | — |
| 4 | RR-IG1 | 10 | Pre-collision seat belt, seat belt pretensioners |
| 5 | RR-B | 10 | Trunk light |
| 6 | RR FOG | 7,5 | — |
| 7 | STOP LP L | 10 | Stoplights, back-up light |
| 8 | STOP LP R | 10 | High mounted stoplights |
| 9 | RR TAIL | 10 | Tail lights, license plate lights |
Luggage compartment (vehicles with active stabilizer suspension system)
| Fuse | Ampere rating [A] | Circuit protected | |
| 1 | STB FR | 50 | Front stabilizer |
| 2 | STB RR | 30 | Rear stabilizer |
| 3 | STB DC/DC | 30 | DC/DC converter |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.