Fuses and relays Lexus LX570 (J200), 2007–2019

The third-generation Lexus LX 570 premium SUV debuted at the 2007 New York International Auto Show, featuring a heavy-duty chassis and an advanced suspension system. It is powered by a 5.7-liter V8 engine paired with a 6-speed sequential automatic transmission. To improve aerodynamic performance, the engine position was lowered by approximately 3 cm. Despite its larger overall dimensions, the LX 570 achieves a reduced drag coefficient of 0.35. 

Fuse box diagrams and assignments for the Lexus LX 570 (J200 series; 3rd Generation, model years 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and 2019) equipped with the 5.7 L 3UR-FE engine.

Engine Compartment Fuse Box

Location of the engine compartment fuse box.

Fuse box cover access.

Diagram
No.	Circuit Protected	Rating (A)
1	Exhaust emission control system	15
2	Horn	10
3	Sequential multiport fuel injection system, exhaust system, “EFI No. 2” fuse	25
4	Multiport fuel injection system, ignition system, gauges and meters	30
5	Rear air conditioning system	50
6	Front left seat ventilation system (if equipped)	25
7	Second-row seat heaters	20
8	Windshield wiper deicer	20
9	A/C condenser fan motor	25
10	Trailer marker lamps (if equipped)	30
11	Power second-row seats	30
12	Alternator noise filter capacitor	10
13	Front fog lights	15
14	Smart Key system (“Entry & Start”), engine immobilizer system	5
15	Front right seat ventilation system (if equipped)	25
16	Stop lights, high-mounted stop light, Anti-lock Braking System (ABS), Vehicle Stability Control (VSC), trailer towing system, Main Body ECU, engine and automatic transmission control system	15
17	Trailer brake controller	30
18	Rear heater blower motor	50
19	PTC auxiliary heater	50
20		50
21		50
22	Passenger-side instrument panel fuse box	40
23	Trailer towing electrical system	40
24	Variable Gear Ratio Steering (VGRS) system	40
25	Headlight washers	30
26	Rear window defogger	30
27	Active Height Control (AHC) suspension system	60
28	Front heater blower motor	50
29	Power back door ECU	30
30	Driver-side instrument panel fuse box	150
31	ALT (Alternator main fuse)	180
32	Secondary air injection pump driver No. 1	50
33	Secondary air injection pump driver No. 2	50
34	Headlights, Daytime Running Light (DRL) system	40
35	Anti-lock Braking System (ABS) / VSC	50
36		30
37	Starter system	30
38	Engine immobilizer system, Smart Key system (“Entry & Start”)	7.5
39	Main Body ECU (AM2)	5
40	Vanity mirror lights, overhead console	7.5
41	Lexus Personalized Settings, Power Back Door ECU, power third-row seat folding mechanism	5
42	Lexus Link system, audio amplifier	5
43	Rear Seat Entertainment (RSE) system	7.5
44	Trailer towing system	30
45	Multiplex network door ECU (DOOR No. 2)	25
46	Electric steering column lock system	20
47	Gauges and meters, turn signals, hazard flashers, trailer towing system	15
48	Fuel pump ECU / Fuel pump module	20
49	Sequential multiport fuel injection system (EFI)	10
50	Alternator sensing system (ALT-S)	5
51	Audio system, audio amplifier	30
52	Audio amplifier, Intuitive Parking Assist, navigation system	10
53	Smart Key system, overhead console, power tilt/telescopic steering, G-sensor, yaw rate sensor, gauges and meters, cool box, steering angle sensor, VGRS system	5
54	Interior illumination lights	5
55	Left headlight (high beam)	15
56	Left headlight (low beam)	15
57	Multiport fuel injection system, ignition system	10
58	Gauges and meters	5
59	SRS airbag system, front passenger occupant classification system, Smart Key system, ABS, VSC, steering lock system, Lexus Link system	10
60	Right headlight (high beam)	15
61	Right headlight (low beam)	15
62	Air intake control system	7.5
63	Unused	7.5
64	Outside rearview mirror heaters	5
Relay Box Assignments
* 1: Rear window defogger relay * 2: Auxiliary battery relay * 3: Trailer towing relay * 4: Ignition (IG1) relay No. 5 * 5: EFI relay No. 2 * 6: DRL relay No. 3 or Rear A/C relay * 7: Starter relay * 8: Fuel pump relay * 9: Theft-deterrent horn relay * 10: Fog lamp relay * 11: PTC heater relay No. 1 * 12: Starter cut relay * 13: A/C condenser fan motor relay * 14: PTC heater relay No. 2 * 15: Stop light relay * 16: A/C magnetic clutch relay * 17: Wiper deicer relay * 18: PTC heater relay No. 3 * 19: DRL relay No. 4 * 20: Headlight high-beam relay * 21: Headlight low-beam relay * 23: HTR - 50A * 25: HL-JB - 150A * 26: ALT - 140A (models with 130A alternator) ALT - 180A (except models with 130A alternator) * 27: A/PUMP No. 1 - 50A * 28: A/PUMP No. 2 - 50A * 29: MAIN - 40A * 30: AHC - 60A * 31: PBD - 30A * 32: AHC system relay

Passenger Compartment Fuse Boxes

Driver-Side Instrument Panel Fuse Box

Located under the driver-side instrument panel.

Diagram
No.	Circuit Protected	Rating (A)
1	Cigarette lighter	15
2	Backup lights, trailer towing system	10
3	Audio system, Intuitive Parking Assist, multi-information display, Main Body ECU, Lexus Link system, power outside mirrors, Rear Seat Entertainment system, Smart Key system	7.5
4	Cigarette lighter , trailer brake controller, cool box, center differential lock system, 4WD control system, multi-information display, seat heaters/ventilators, glove box light, headlight leveling system, headlight washers, Lexus Personalized Settings, auto-dimming interior mirror, overhead console, curtain shield airbags, rear A/C and heater control panel, power back door, backup camera, VSC OFF switch, steering wheel switches, center console switches, instrument cluster illumination dimmer	10
5	Air conditioning system, rear A/C and heater control panel, overhead console, ABS, VSC, steering angle sensor, G-sensor, yaw rate sensor, Main Body ECU, stop lights, power moonroof, auto-dimming rearview mirrors	10
6	Unused	5
7	Cool box, A/C condenser fan motor, A/C magnetic clutch, rear window defogger, exhaust system	10
8	Taillights, license plate lights, fog lights, parking lights, clearance lamps, side marker lights	15
9	Windshield wipers	30
10	Windshield washer	20
11	Rear window wiper	15
12	Four-Wheel Drive (4WD) control system	20
13	Alternator, trailer towing system, seat heaters/ventilators, windshield wiper deicer, seat belt pretensioners, hazard flashers	5
14	ABS, power tilt/telescopic steering, shift-lock system, Intuitive Parking Assist, cruise control, Pre-Collision System (PCS), headlight washers, multi-information display, rain sensor, Lexus Personalized Settings, wireless door lock	5
15	Power moonroof	25
16	Rear right power window	20
17	Outside mirror heaters, power mirrors	15
18	Rear left power window	20
19	Front left power window	20
20	Front right power window	20
21	Unused	7.5
22	Air conditioning system	7.5
23	Unused	5
24	Power tilt/telescopic steering column	15
25	Power front passenger seat	30
26	Power outlets / Accessory sockets	15
27	Data Link Connector 3 (DLC3)	7.5
28	Pre-Collision System (PCS), Power Back Door (PBD)	30
29	Main Body ECU	25
30	Power driver seat	30
31	Unused	15

Auxiliary Fuse Panel (Passenger Side)

The auxiliary fuse block is located on the passenger side  under the glove compartment.

Overview.

Passenger-Side Auxiliary Fuse Box Diagram
No.	Circuit Protected	Rating (A)
1	Power third-row left seat	30
2	Rear right door ECU	30
3	Rear left door ECU	30
4	Power third-row right seat	30
5	Unused	20
6	Active Height Control (AHC)	20
7		10
8	Variable Gear Ratio Steering (VGRS), Power Back Door, Active Height Control (AHC), Tire Pressure Monitor System (TPMS), power third-row seats	5
9	Front seat ventilation system	10
10	Front seat heaters	20
11	Adaptive Front-lighting System (AFS)	5
12	Adaptive Front-lighting System (AFS), Dynamic Radar Cruise Control	5
13	Multi-information display	10