Diagrams of fuse and relay boxes – Lexus ES 300h

Applies to vehicles manufactured in the years:

2012, 2013, 2014, 2015.

 

Fuse box in passenger compartment

The fuse panel is located under the left side of the dashboard. Remove the cover to access the fuses.

 

Number	Amperes [A]	Description
1	10	Main body ECU, audio system, shift lock system, outside mirror control controller, voltage reducer, windshield wipers, heated steering wheel, multi-function display, audio display, intuitive parking assistant, tire pressure warning system, sunroof, automatic anti-glare interior rearview mirror, raindrop sensor, rear sun visor, wireless door lock system, trunk opener and ECU lock
2	10	Electric cooling fan, windshield wiper de-icer, VSC, ABS, charging system, steering sensor, electronic gearbox, electric power steering, gate ECU, electric tilting and telescopic steering column
3	5	Clock
4	15	Parking lamps, side marker lamps, license plate lamps
5	20	Electric window, exterior mirror control ECU
6	20	Power window
7	20	Electric window, exterior mirror control ECU
8	20	Power window
9	7.5	Automatic headlight leveling system
10	10	Windshield washer
11	7.5	Air conditioning system, PTC heater, gauges and meters, seat heaters and fans
12	25	Wipers
13	7.5	Multiport fuel injection system, sequential multiport fuel system, electronic gearbox, audio system, navigation system, reversing lights
14	10	Fuel filler door opener
15	10	Electric power steering
16	15	Power socket
17	5	Audio system, Remote Touch, multi-information display, audio display, navigation system
18	10	seat heaters and fans
19	10	seat heaters and fans
20	7.5	On-board diagnostics system
21	10	Main window switch, air conditioning system, intelligent access system with start button, tire pressure warning system, rear sun visor
22	10	Heated steering wheel
23	25	Power trunk opener and closer to the ECU
24	7.5	Power management system, multiport fuel injection system, sequential multiport fuel system, VSC, ABS, electronic gearbox, driver assistance system, engine room junction block assembly, taillights, high mounted brake light, intelligent push button access system, shift lock gear system
25	thirty	Electric seats
26	7.5	Air conditioning system
27	10	Sunroof
28	thirty	Electric seats
29	thirty	Pre-collision safety belt
30	20	ECU main body, power door lock system
31	20	Electric tilt and telescopic steering column
32	10	Passenger classification system, SRS airbag system
33	7.5	Indicators and meters
34	7.5	VSC, ABS, ECU gateway, smart start button access system, SRS airbag system
35	15	Power socket
36	7.5	Main body ECU, gauges and meters, outside rear view mirrors
37	10	Intuitive parking assist, driver assistance system, skid control buzzer, blind spot monitor, radar sensor
38	20	No circuit

 

Fuse box in the engine compartment

Press the tab and remove the cover.

 

Number	Amperes [A]	Description
1	5	Driver assistance system, windshield wipers
2	50	Electric cooling fan
3	thirty	No circuit
4	thirty	ES 300h: Cooling system
5	50	PTC heater
6	50	PTC heater
7	50	Air conditioning system
8	140	ES 250, ES 350: Charging system
	120	ES 300h: Hybrid system
9	thirty	ES 250, ES 350: VSC, ABS
10	thirty	ES 250, ES 350: Starting system
	thirty	ES 300h: VSC, ABS
11	thirty	H-LP RH-LO, H-LP LH-LO fuses
12	50	ES 300h: VSC, ABS
13	50	ES 250, ES 350: VSC, ABS
	50	ES 300h: VSC, ABS
14	50	ES 300h: IGCT MAIN, INV W / PMP fuses
15	80	Electric power steering
16	7.5	S-HORN
17	15	Windshield defroster
18	10	Horn
19	15	Multi-function display, audio display, Remote Touch, audio system, indicators and meters
20	thirty	Public address system
21	15	Multiport fuel injection system, sequential multiport fuel system, electronically controlled transmission
22	10	ES 250, ES 350: Multiport fuel injection system, sequential multiport fuel system, air induction system, exhaust system
	7.5	ES 300h: Multiport fuel injection system, sequential multiport fuel system, air induction system
23	7.5	Multiport fuel injection system, sequential multiport fuel system
24	7.5	Multiport fuel injection system, sequential multiport fuel system, electronic gearbox, power management system, steering lock system, cruise control
25	15	Boot system
26	25	Power door lock system
27	25	INJ, IGN fuses
28	7.5	ES 250, ES 350: Charging system
	7.5	ES 300h: Hybrid system
29	5	MAYDAY
30	15	Direction indicators, emergency flashers
31	10	Steering lock system
32	thirty	Public address system
33	15	Left headlight
34	15	Right headlight
35	thirty	EFI №2, EFI №3, fuel system
36	5	intelligent access system with start button, passenger classification system
37	10	Multiport fuel injection system, sequential multiport fuel system
38	7.5	ES 300h: VSC, ABS
39	7.5	Multiport fuel injection system, sequential multiport fuel system, electronically controlled transmission
40	20	ES 250, ES 350: Air intake system
	20	ES 300h: Fuel system, air induction system, exhaust system
41	7.5	Energy management system, intelligent access system with start button
42	10	Switch lighting, audio system, multi-function display, audio display, gear lever lighting, glove box lighting, console box lighting, remote control, intuitive parking assist switch lighting
43	7.5	Clock, Footwell Lighting, Vanity Lighting, Fancy Lighting, Personal Lighting, Door Courtesy Lighting
44	10	intelligent access system with start button, main body ECU, control sensor, gauges and meters, gate ECU, electric tilt and telescopic steering column, electric seats, upper module, outside mirror control ECU, electric trunk opening and closer to the ECU

Extra fuse box (ES 300h only)

Number	Amperes [A]	Description
1	7.5	Battery cooling fan
2	7.5	INV W / PMP RLY fuses
3	10	Hybrid system
4	7.5	Hybrid system
5	10	Hybrid system
6	7.5	Energy management system, hybrid system
7	25	INV W / PMP RLY, INV, DC / DC IGCT, BATT VL SSR, PM IGCT, BATT FAN fuses
8	15	Hybrid system