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Lexus ES300H (2012 - 2015) Fuse Box Diagram

avatar Jonathan Yarden May 06, 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: 2012, 2013, 2014, 2015

Engine compartment (type A)

Lexus ES350 - fuse box - engine compartment (type A)

Fuse Ampere rating [A] Circuit protected
1 WIP-S 5 Driver support system, windshield wipers
2 FAN 50 Electric cooling fan
3 H-LP CLN 30 No circuit
4 ENG W/PMP*1 30 Cooling system
5 PTC HTR NO.2 50 PTC heater
6 PTC HTR NO.1 50 PTC heater
7 HTR 50 Air conditioning system
8 ALT*2 140 Charging system
DC/DC*1 120 Hybrid system
9 ABS NO.2*2 30 VSC, ABS
10 ST/AM2*2 30 Starting system
ABS NO.1*1 30 VSC, ABS
11 H-LP-MAIN 30 H-LP RH-LO, H-LP LH-LO
12 ABS MTR NO.2*1 50 VSC, ABS
13 ABS NO.1*2 50 VSC, ABS
ABS MTR NO.1*1 50 VSC, ABS
14 R/B NO.2*1 50 IGCT MAIN, INV W/PMP
15 EPS 80 Electric power steering
16 S-HORN 7,5 S-HORN
17 DEICER 15 Windshield deicer
18 HORN 10 Horn
19 TV 15 Multi-information display, audio display, Remote Touch, audio system, gauges and meters
20 AMP NO.2 30 Audio system
21 EFI NO.2 15 Multiport fuel injection system, sequential multiport fuel system, electronic controlled transmission
22 EFI NO.3 10*2 Multiport fuel injection system, sequential
multiport fuel system, air intake system,
exhaust system
7,5*1 Multiport fuel injection system, sequential
multiport fuel system, air intake system
23 INJ 7,5 Multiport fuel injection system, sequential
multiport fuel system
24 ECU-IG2 NO.3 7,5 Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission, power management system,
steering lock system, cruise control system
25 IGN 15 Starting system
26 D/L-AM2 25 Power door lock system
27 IG2-MAIN 25 INJ, IGN
28 ALT-S*2 7,5 Charging system
DC/DC-S*1 7,5 Hybrid system
29 MAYDAY 5 MAYDAY
30 TURN&HAZ 15 Turn signal lights, emergency flashers
31 STRG LOCK 10 Steering lock system
32 AMP 30 Audio system
33 H-LP LH-LO 15 Left-hand headlight
34 H-LP RH-LO 15 Right-hand headlight
35 EFI-MAIN NO.1 30 EFI NO.2, EFI NO.3, fuel system
36 SMART 5 Smart access system with push-button start,
occupant classification system
37 ETCS 10 Multiport fuel injection system, sequential
multiport fuel system
38 ABS NO.2*1 7,5 VSC, ABS
39 EFI NO.1 7,5 Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission
40 A/F*2 20 Air intake system
EFI-MAIN NO.2*1 20 Fuel system, air intake system, exhaust system
41 AM2 7,5 Power management system, smart access system with push-button start
42 PANEL 10 Switch illumination, audio system, multi-information display, audio display, shift lever light, glove box light, console box light, Remote Touch, intuitive parking assist switch illumination
43 DOME 7,5 Clock, footwell lights, vanity lights, ornament lights, personal lights, door courtesy lights
44 ECU-B NO.1 10 Smart access system with push-button start, main body ECU, steering sensor, gauges and meters, gateway ECU, electric tilt and telescopic steering column, power seats, overhead module, outside mirror control ECU, power trunk opener and closer ECU
45 SPARE 25 Spare fuse
46 SPARe 30 Spare fuse
*1: Hybrid vehicles
*2: Gasoline vehicles

 

Engine compartment (type B fuse box) (hybrid vehicles only

Fuse Ampere rating [A] Circuit protected
1 BATT FAN 7,5 Battery cooling fan
2 INV W/PMP RLY 7,5 INV W/PMP RLY
3 DC/DC IGCT 10 Hybrid system
4 INV 7,5 Hybrid system
5 BATT VL SSR 10 Hybrid system
6 PM IGCT 7,5 Power management system, hybrid system
7 IGCT-MAIN 25 INV W/PMP RLY, INV, DC/DC IGCT, BATT VL SSR, PM IGCT, BATT FAN
8 INV W/PMP 15 Hybrid system

 

 

Driver’s side instrument panel

Fuse Ampere rating [A] Circuit protected
1 ECU-IG1 NO.2 10 Main body ECU, audio system, shift lock system, outside mirror control ECU, tension reducer, windshield wipers, heated steering wheel, multi-information display, audio display, intuitive parking assist, tire pressure warning system, moon roof, auto anti-glare inside rear view mirror, raindrop sensor, rear sunshade, wireless door lock system, power trunk opener and closer ECU
2 ECU-IG1 NO.1 10 FAN, DEICER, VSC, ABS, charging system, steering sensor, electronic controlled transmission, electric power steering, gateway ECU, electric tilt and telescopic steering column
3 PANEL NO.2 5 Clock
4 TAIL 15 Parking lights, side marker lights, license plate lights
5 DOOR F/R 20 Power window, outside mirror control ECU
6 DOOR R/R 20 Power window
7 DOOR F/L 20 Power window, outside mirror control ECU
8 DOOR R/L 20 Power window
9 H-LP LVL 7,5 Automatic headlight leveling system
10 WASHER 10 Windshield washer
11 A/C-IG1 7,5 Air conditioning system, PTC heater, gauges and meters, seat heaters and ventilators
12 WIPER 25 Windshield wipers
13 BKUP LP 7,5 Multiport fuel injection system, sequential multiport fuel system, electronic controlled transmission, audio system, navigation system, back-up lights
14 FUEL OPN 10 Fuel filler door opener
15 EPS-IG1 10 Electric power steering
16 P/OUTLET RR 15 Power outlet
17 RADIO-ACC 5 Audio system, Remote Touch, multi-information display, audio display, navigation system
18 S/HTR&FAN F/R 10 Seat heaters and ventilators
19 S/HTR&FAN F/L 10 Seat heaters and ventilators
20 OBD 7,5 On-Board diagnosis system
21 ECU-B NO.2 10 Power window master switch, air conditioning system, smart access system with pushbutton start, tire pressure warning system, rear sunshade
22 STRG HTR 10 Heated steering wheel
23 PTL 25 Power trunk opener and closer ECU
24 STOP 7,5 Power management system, multiport fuel injection system, sequential multiport fuel system, VSC, ABS, electronic controlled transmission, driver support system, engine room junction block assy, tail lights, high mounted stoplight, smart access system with push-button start, shift lock system
25 P/SEAT F/L 30 Power seats
26 A/C-B 7,5 Air conditioning system
27 S/ROOF 10 Moon roof
28 P/SEAT F/R 30 Power seats
29 PSB 30 Pre-collision seat belt
30 D/L-AM1 20 Main body ECU, power door lock system
31 TI&TE 20 Electric tilt and telescopic steering column
32 A/B 10 Occupant classification system, SRS airbag system
33 ECU-IG2 NO.1 7,5 Gauges and meters
34 ECU-IG2 NO.2 7,5 VSC, ABS, gateway ECU, smart access system with push-button start, SRS airbag system
35 CIG& P/OUTLET 15 Power outlet
36 ECU-ACC 7,5 Main body ECU, gauges and meters, outside rear view mirrors
37 ECU-IG1 NO.3 10 Intuitive parking assist, driver support system, skid control buzzer, Blind Spot Monitor, radar sensor
38 S/HTR RR 20 No circuit

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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