Lexus RX450h (AL10; 2010-2015) fuses

 

In this article, we consider the third-generation Lexus RX Hybrid (AL10), produced from 2010 to 2015. Here you will find fuse box diagrams of Lexus RX 450h 2010, 2011, 2012, 2013, 2014 and 2015, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

Fuse Layout Lexus RX 450h 2010-2015


Cigar lighter (power outlet) fuses in the Lexus RX450h are the fuses #1 “P/POINT”, #3 “CIG” and #16 “INVERTER” (since 2013: Power outlet AC) in the Instrument panel fuse box.


Passenger Compartment Fuse Box

Fuse box location

The fuse box is located under the instrument panel (on the driver’s side), under the lid.The location of the fuses in the passenger compartment: Lexus RX450h (AL10; 2010-2015)

Fuse box diagram (2010-2012)

Instrument panel fuse box diagram: Lexus RX 450h (2010, 2011, 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)

Instrument panel fuse box diagram: Lexus RX 450h (2013, 2014, 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

The location of the fuses in the engine compartment: Lexus RX 450h (2010-2015)

Fuse box diagram

Under-hood fuse box #1 diagram: Lexus RX 450h (2010, 2011, 2012, 2013, 2014, 2015)

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

The location of the fuses in the engine compartment: Lexus RX 450h (2010-2015)

Fuse box diagram (2010-2012)

Under-hood fuse box #2 diagram: Lexus RX 450h (2010, 2011, 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)

Under-hood fuse box #2 diagram: Lexus RX 450h (2013, 2014, 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

The location of the fuses in the engine compartment: Lexus RX 450h (2010-2015)

Fuse box diagram

Under-hood fuse box #3 diagram: Lexus RX 450h (2010, 2011, 2012, 2013, 2014, 2015)

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

The location of the fuses in the trunk: Lexus RX 450h (2010-2015)

Trunk fuse box #1 diagram: Lexus RX 450h (2010, 2011, 2012, 2013, 2014, 2015)

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 trunkThe location of the fuses in the trunk: Lexus RX 450h (2010-2015)

Trunk fuse box #2 diagram: Lexus RX 450h (2010, 2011, 2012, 2013, 2014, 2015)

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


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