Lexus RX450h (AL10; 2010-2015) fuses

 

Fuse Layout Lexus RX 450h 2010-2015

---

---

Passenger Compartment Fuse Box

Fuse box location

The fuse box is located under the instrument panel (on the driver’s side), under the lid.

Fuse box diagram (2010-2012)

 

Assignment of the fuses in the Passenger Compartment Fuse Box (2010-2012)

№	Name	Ampere	Circuit
1	P/POINT	15 A	Power outlet
2	ECU-ACC	10 A	Navigation system, outside rear view mirror, multiplex communication system, multi-information display, headup display
3	CIG	15 A	Power outlet
4	RADIO NO. 2	7.5 A	Audio system, power outlet
5	GAUGE NO. 1	10 A	Emergency flashers, navigation system, head-up display
6	ECU-IG1 NO. 3	10 A	Outside rear view mirror, windshield wipers and washer, seat heaters, starter system, power outlet, moon roof
7	ECU-IG1 NO.1	10 A	Multiplex communication system, electric power steering system, shift lock control system, tilt and telescopic steering, starter system, hybrid transmission system, power back door, hybrid system, tire pressure warning system
8	S/ROOF	30 A	Moon roof
9	FUEL OPN	7.5 A	Fuel filler door opener
10	PSB	30 A	Pre-collision seat belt
11	TI&TE	30 A	Tilt and telescopic steering system
12	DR LOCK	10 A	Power door lock system
13	FR FOG	15 A
14	P-SEAT LH	30 A	Power seat (left-side)
15	INVERTER	20 A
16	RR FOG	7.5 A
17	D/L ALT B	25 A	Multiplex communication system
18	HEATER	10 A	Air conditioning system
19	ECU-IG1 NO. 2	10 A	Air conditioning system, multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system, multi-information display, capacitor
20	PANEL	10 A	Switch illumination, navigation system, height control system, headlight cleaner, windshield wiper de-icer, seat heater, power back door, audio system, multi-information display, air conditioning system
21	TAIL	10 A	Position lights, tail lights, license plate lights, towing converter
22	AIRSUS	20 A	Electronically modulated air suspension system
23	P-SEAT RH	30 A	Power seat (right-side)
24	OBD	7.5 A	On-board diagnosis
25	FR DOOR	25 A	Front power window (right-side)
26	RR DOOR	25 A	Rear power window (right-side)
27	FL DOOR	25 A	Front power window (left-side)
28	RL DOOR	25 A	Rear power window (left-side)
29	FR WASH	25 A	Windshield wipers and washer
30	RR WIP	15 A	Windshield wipers and washer
31	RR WASH	20 A	Windshield wipers and washer
32	FR WIP	30 A	Windshield wipers and washer
33	ECU IG2	10 A	Starter system, intuitive parking assistsensor, AWD system
34	GAUGE NO. 2	7.5 A	Starter system
35	RH S-HTR	15 A	Seat heater (right-side)
36	LH S-HTR	15 A	Seat heater (left-side)

Fuse box diagram (2013-2015)

Assignment of the fuses in the Passenger Compartment Fuse Box (2013-2015)

№	Name	Ampere	Circuit
1	P/POINT	15 A	Power outlet
2	ECU-ACC	10 A	Navigation system, air conditioning system, audio system, multiplex communication system, multi-information display, head-up display
3	CIG	15 A	Power outlet
4	RADIO NO. 2	7.5 A	Audio system, navigation system
5	GAUGE NO.1	10 A	Emergency flashers, navigation system, head-up display, air conditioning system, Vehicle Proximity Notification System, audio system
6	ECU-IG1 NO. 3	10 A	Outside rear view mirror, windshield wipers and washer, seat heaters, starter system, power outlet, moon roof, air conditioning system
7	ECU-IG1 NO.1	10 A	Multiplex communication system, steering sensor, shift lock control system, tilt and telescopic steering, power back door, pre-collision system, vehicle dynamics integrated management, tire pressure warning system
8	S/ROOF	30 A	Moon roof
9	FUEL OPN	7.5 A	Fuel filler door opener
10	PSB	30 A	Pre-collision seat belt
11	TI&TE	30 A	Tilt and telescopic steering system
12	DR LOCK	10 A	-
13	FR FOG	15 A	Front fog lights
14	P-SEAT LH	30 A	Power seat (left-side)
15	4WD	7.5 A	AWD system
16	INVERTER	20 A	Power outlet
17	RR FOG	7.5 A	-
18	D/L ALT B	25 A	Multiplex communication system, power door lock system, power back door
19	EPS	10 A	Electric power steering system
20	ECU-IG1 NO. 2	10 A	Intuitive parking assist, pre-collision seat belt, capacitor
21	PANEL	10 A	Switch illumination, navigation system, hybrid transmission system, audio system, multi-information display, air conditioning system, multiplex communication system
22	TAIL	10 A	Parking lights, front side marker lights, tail lights, license plate lights, front fog lights, towing converter
23	AIRSUS	20 A
24	P-SEAT RH	30 A	Power seat (right-side)
25	OBD	7.5 A	On-board diagnosis
26	FR DOOR	25 A	Front power window (right-side), outside rear view mirror
27	RR DOOR	25 A	Rear power window (right-side)
28	FL DOOR	25 A	Front power window (left-side), outside rear view mirror
29	RL DOOR	25 A	Rear power window (left-side)
30	FR WASH	25 A	Windshield wipers and washer
31	RR WIP	15 A	Windshield wipers and washer
32	RR WASH	20 A	Windshield wipers and washer
33	FR WIP	30 A	Windshield wipers and washer
34	ECU IG2	10 A	Multiport fuel injection system/ sequential multiport fuel injection system, front passenger occupant classification system, SRS airbag system, stop lights, electronically controlled brake system, steering lock system, hybrid system
35	GAUGE NO. 2	7.5 A	Gauge and meters
36	RH S-HTR	15 A	Seat heater (right-side)
37	LH S-HTR	15 A	Seat heater (left-side)

Engine Compartment Fuse Box №1

Fuse box location

Fuse box diagram

Assignment of the fuses in the Engine Compartment Fuse Box №1

№	Name	Ampere	Circuit
1	PCU	15 A	Hybrid system
2	IGCT NO.2	10 A	Hybrid system
3	IGCT NO.3	10 A	Hybrid system
4	INV W/P	10 A	Hybrid system

Engine Compartment Fuse Box №2

Fuse box location

Fuse box diagram (2010-2012)

Assignment of the fuses in the Engine Compartment Fuse Box №2 (2010-2012)

№	Name	Ampere	Circuit
1	SPARE	120 A	-
2	RR DEF	50 A	Rear window defogger
3	AIRSUS	50 A	Electronically modulated air suspension system
4	HTR	50 A	Air conditioning system
5	ECB NO.1	50 A	Brake system, vehicle stability control, vehicle dynamics integrated management, meters and gauges
6	RDI FAN NO. 1	40 A	Electric cooling fans
7	RDI FAN NO. 2	40 A	Electric cooling fans
8	H-LP CLN	30 A	Headlight cleaner
9	PBD	30 A	Power back door system
10	HV R/B NO.1	30 A	PCU, IGCT NO.2, IGCT NO.3, INV W/P
11	PD	50 A	Daytime running light system, A/F, H-LP RH HI, H-LP LH LO, H-LP RH LO, H-LP LH HI, HORN, S-HORN, multiplex communication system, multiport fuel injection system/ sequential multiport fuel injection system
12	ECB NO.2	50 A	Brake system
13	HV R/B NO.2	80 A	ECB MAIN1, ECB MAIN 2, A/C W/P, BATT FAN, OIL PMP
14	DCDC	150 A	FUEL OPN, DR LOCK, OBD, RR FOG, S/ROOF, INVERTER, ECU-IG1 NO. 1, ECU-IG1 NO. 2, PANEL, GAUGE NO. 1
15	AMP1	30 A	Audio system
16	EFI MAIN	30 A	Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO. 2
17	AMP2	30 A	Audio system
18	IG2 MAIN	30 A	Starter system, IGN, GAUGE NO. 2, ECU IG2
19	IP JB	25 A	Power door lock system
20	STR LOCK	20 A	Starter system
21	RAD NO. 3	15 A	Meters and gauges, instrument panel lights, navigation system, audio system
22	HAZ	15 A	Emergency flashers
23	ETCS	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
24	RAD NO. 1	10 A	Audio system
25	AM2	7.5 A	Starter system
26	ECU-B NO. 2	7.5 A	Air conditioning system, front passenger occupant classification system, starter system, electric power steering system
27	MAYDAY/TEL	7.5 A	Mayday system
28	IMMOBI	7.5 A
29	ECB MAIN NO. 3	15 A	Brake system
30	IGN	10 A	Multiport fuel injection system/ sequential multiport fuel injection system, brake system, SRS airbag system
31	DOME	10 A	Vanity mirror lights, luggage compartment lights, interior lights, personal lights
32	ECU-B NO.1	10 A	Interior lights, personal lights, tilt and telescopic steering, multiplex communication system, meters and gauges, power windows, driving position memory system, power seats, power back door, head-up display, starter system, air conditioning system, power door lock system
33	EFI NO.1	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
34	WIP-S	7.5 A	Windshield wipers and washer
35	AFS	7.5 A	Adaptive front-lighting system
36	BK/UP LP	7.5 A	Back-up lights
37	HEATER NO. 2	7.5 A	Air conditioning system, AWD system
38	ECU IG1	10 A	Adaptive front-lighting system, headlight cleaner, cooling fan, cruise control, electronically modulated air suspension system, vehicle stability control, vehicle dynamics integrated management, brake system
39	EFI NO.2	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
40	F/PMP	15 A	Multiport fuel injection system/ sequential multiport fuel injection system
41	DEICER	25 A	Windshield wipers and washer
42	STOP	7.5 A	Vehicle stability control, vehicle dynamics integrated management, high mounted stoplight
43	TOWING BATT	20 A	Trailer battery
44	TOWING	30 A	Trailer lights
45	FILTER	10 A	Condenser
46	IG1 MAIN	30 A	ECU IG1, BK/UP LP, HEATER NO. 2, AFS
47	H-LP RH HI	15 A	Right-hand headlight (high beam)
48	H-LP LH HI	15 A	Left-hand headlight (high beam)
49	BIXENON	10 A	Discharge headlight
50	H-LP RH LO	15 A	Right-hand headlight (low beam)
51	H-LP LH LO	15 A	Left-hand headlight (low beam)
52	HORN	10 A	Horn
53	A/F	20 A	Multiport fuel injection system/ sequential multiport fuel injection system
54	S-HORN	7.5 A	Security horn

Fuse box diagram (2013-2015)

Assignment of the fuses in the Engine Compartment Fuse Box №2 (2013-2015)

№	Name	Ampere	Circuit
1	RR DEF	50 A	Rear window defogger
2	AIRSUS	50 A	-
3	HEATER	50 A	Air conditioning system
4	ABS NO.1	50 A	Electronically controlled brake system
5	RDI FAN NO.1	40 A	Electric cooling fans
6	RDI FAN NO. 2	40 A	Electric cooling fans
7	H-LP CLN	30 A	Headlight cleaner
8	PBD	30 A	Power back door
9	HV R/B NO.1	30 A	PCU, IGCT NO. 2, IGCT NO. 3, INV W/P
10	PD	50 A	A/F, H-LP RH HI, H-LP LH LO, H-LP RH LO, H-LP LH HI, HORN, SHORN
11	ABS NO. 2	50 A	Electronically controlled brake system
12	HV R/B NO. 2	80 A	ABS MAIN NO. 1, ABS MAIN NO. 2, A/C W/P, BATT FAN, OIL PMP
13	DCDC	150 A	IG1 MAIN, TOWING BATT, DEICER, TOWING, STOP, RDI FAN NO. 1, ABS NO. 1, RR DEF, AIR SUS, HEATER, RDI FAN NO. 2, H-LP CLN, PBD, ECU-IG1 NO. 1, ECUIG1 NO. 3, GAUGE NO. 1, ECU-IG1 NO. 2, EPS, FR WIP, RR WIP, FR WASH, RR WASH, RH S-HTR, LH SHTR, 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, AIR SUS, FUEL OPN, DR LOCK, OBD, RR FOG, S/ ROOF, 4WD, INVERTER, ECUACC, P/POINT, CIG, RADIO NO. 2
14	AMP1	30 A	Audio system
15	EFI MAIN	30 A	Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO. 1, EFI NO. 2, F/PMP
16	AMP2	30 A	Audio system
17	IG2 MAIN	30 A	IGN, GAUGE NO. 2, ECU IG2
18	IPJ/B	25 A	Power door lock system
19	STR LOCK	20 A	Starter system
20	RAD NO. 3	15 A	Meters and gauges, navigation system, audio system
21	HAZ	15 A	Emergency flashers
22	ETCS	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
23	RAD NO.1	10 A	Audio system, navigation system
24	AM2	7.5 A	Starter system
25	ECU-B NO.2	7.5 A	Air conditioning system, front passenger occupant classification system, audio system, vehicle dynamics integrated management, power windows, electric power steering system
26	MAYDAY/TEL	7.5 A	MAYDAY/TEL
27	IMMOBI	7.5 A	IMMOBI
28	ABS MAIN NO. 3	15 A	Brake system
29	DRL	7.5 A	Daytime running light system
30	IGN	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
31	DOME	10 A	Vanity mirror lights, luggage compartment lights, interior lights, personal lights, door courtesy lights, footwell lights, scuff lights
32	ECU-B NO.1	10 A	Tilt and telescopic steering, multiplex communication system, meters and gauges, driving position memory, power seats, power back door, head-up display, starter system, outside rear view mirror, steering sensor, garage door opener
33	EFI NO.1	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
34	WIP-S	7.5 A	Cruise control
35	ECU-IG1 NO. 4	10 A	Air conditioning system, rear window defogger, electronically controlled brake system, electric cooling fans
36	BK/UP LP	7.5 A	Back-up lights
37	ECU-IG1 NO. 5	15 A	Air conditioning system
38	ECU-IG1 NO. 6	10 A	Head light cleaner, cruise control, air conditioning system, Blind Spot Monitor
39	EFI NO. 2	10 A	Multiport fuel injection system/ sequential multiport fuel injection system
40	F/PMP	15 A	Multiport fuel injection system/ sequential multiport fuel injection system
41	DEICER	25 A	Windshield wipers and washer
42	STOP	7.5 A	Vehicle Proximity Notification System, vehicle dynamics integrated management, stop lights, multiport fuel injection system/sequential multiport fuel injection system, shift lock control system, starter system, cruise control
43	TOWING BATT	20 A
44	TOWING	30 A	Trailer lights
45	FILTER	10 A
46	IG1 MAIN	30 A	ECU-IG1 NO. 6, BK/UPLP, ECU-IG1 NO. 5, ECU-IG1 NO. 4
47	H-LP RH HI	15 A	Right-hand headlight (high beam)
48	H-LP LH HI	15 A	Left-hand headlight (high beam)
49	BIXENON	10 A	-
50	H-LP RH LO	15 A	Right-hand headlight (low beam)
51	H-LP LH LO	15 A	Left-hand headlight (low beam)
52	HORN	10 A	Horn
53	A/F	20 A	Multiport fuel injection system/ sequential multiport fuel injection system
54	S-HORN	75 A	S-HORN

Engine Compartment Fuse Box №3

Fuse box location

Fuse box diagram

Assignment of the fuses in the Engine Compartment Fuse Box №3

№	Name	Ampere	Circuit
1	ECB MAIN NO.1	10 A	Brake system
2	ECB MAIN NO. 2	10 A	Brake system
3	BATT FAN	15 A	Battery cooling fan
4	OIL PMP	10 A	Hybrid system
5	A/C W/P	10 A	Air conditioning system

 

Luggage Compartment Fuse Box №1

№	Name	Ampere	Circuit
1	DCDC-S	7.5 A	Hybrid system
2	CAPACITOR	10 A	2010-2012: Hybrid system 2013-2015: Capacitor

Luggage Compartment Fuse Box №2

It is located on the battery in the trunk

№	Name	Ampere	Circuit
1	MAIN	180 A	All electrical components
2	RR-B	50 A	CAPACITOR, DCDC-S
3	EPS	80 A	2010-2012: Electric power steering system 2013-2015: Hybrid system