2005-2011 Lexus GS300, GS430, GS460

Passenger Compartment

   LHD

   RHD

1. Body ECU (LH)
2. Fuse Box (LH)
3. Distance Control ECU
4. Turn Signal Flasher
5. Tire Pressure Monitor ECU
6. Immobiliser Code ECU
7. Junction Block
8. Junction Block
9. Television Camera Controller
10. Clearance Warning ECU
11. Power Source Control ECU
12. Gateway ECU
13. Body ECU (RH)
14. Fuse Box (RH)
15. Absorber Control ECU
16. Junction Connector
17. Steering Control ECU
18. Airbag Sensor Assembly Center
19. Shift Lock Control ECU
20. A/C Amplifier
21. Steering Lock ECU
22. Tilt and Telescopic ECU
23. Outer Mirror SW Assembly
24. Junction Connector
25. Headlamp Swivel ECU

Passenger Compartment Fuse Box No.1 (LH)

Fuses Specifications

No.	Name	A	Description
1	FR P/SEAT LH	30	Power seat system
2	A/C	7.5	Air conditioning system
3	-	-	-
4	TV	7.5	Audio system, Air conditioning system, Rear view monitor system
5	-	-	-
6	TRK OPN	10	Trunk lid opener
7	LH-B	10	Theft deterrent system
8	-	-	-
9	S/ROOF	25	Moon roof
10	-	-	-
11	-	-	-
12	PANEL	7.5	Steering switch illumination, Audio system, Glove box light, Automatic transmission selector lever illumination, Console box light, Adaptive variable suspension switch illumination, Cigarette lighter illumination, Air conditioning system, VSC off switch illumination, Driving pattern selector switch, Seat heater or Heated and ventilated seat switches, Register ILL RH, Register ILL LH, Register ILL CTR
13	FUEL OPEN	10	Fuel filler door opener, Trunk lid opener
14	ECU-IG LH	10	VSC system, ECB system, Yaw rate and G sensor, Steering sensor, Cruise control system, Dynamic radar cruise control system, EPS system, VGRS system, Rear view monitor system, Four-wheel drive system, Front controller, Moon roof, Rain sensor
15	-	-	-
16	FR S/HTR LH	15	Seat heater or Heated and ventilated seats
17	RR DOOR LH	20	Rear left door control system (Power door lock system, Door courtesy light, Power window)
18	FR DOOR LH	20	Front left door control system (Power door lock system, Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window)
19	RAD NO.3	10	Audio system
20	-	-	-
21	H-LP LVL	7.5	AFS, Automatic headlight leveling control system
22	LH-IG	10	Charging system, Headlight cleaners, Exhaust gas sensor, Rear window defogger, Electric cooling fans, Rear left door control system, Front left door control system, Emergency flashers, Automatic transmission, Seat belt pretensioners, Intuitive parking assist
23	-	-	-
24	FR WIP	30	Windshield wipers and washer

Passenger Compartment Fuse Box No.2 (RH)

Fuses Specifications

No.	Name	A	Description
1	FR P/SEAT RH	30	Power seat system
2	-	-	-
3	OBD	7.5	On-board diagnosis system
4	STOP SW	7.5	Stop/tail lights, Multi-port fuel injection system/sequential multiport fuel injection system, Starting system, ECB system, VSC system, Shift lock system
5	AM1	7.5
6	TI & TE	20	Power tilt and telescopic steering wheel, Multiplex communication system
7	-	-	-
8	SECURITY	7.5	Smart access system with push-button start
9	STR LOCK	25	Steering lock system
10	GAUGE	7.5	Gauges and meters
11	IGN	10	Multi-port fuel injection system/sequential multiport fuel injection system, SRS airbag system, Stop/tail lights, Steering lock system, ECB system, Lexus Link System ECU, Occupant classification system ECU
12	ACC	7.5	Multiplex communication system, Smart access system with push-button start, Rear view monitor system, Audio system, Air conditioning system, Lexus Link System ECU
13	-	-	-
14	CIG	15	Cigarette lighter
15	PWR OUTLET	15	Power outlet
16	AIR SUS	20	Adaptive variable suspension system
17	RR DOOR RH	20	Rear right door control system (Power door lock system, Door courtesy light, Power window)
18	FR DOOR RH	20	Front right door control system (Power door lock system, Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window), Multiplex communication system
19	AM2	15	Starting system
20	RH-IG	7.5	Seat heater switches, Front right door control system, Rear right door control system, Capacitor, Combination switch, Seat belt pretensioners, Intuitive parking assist
21	FR S/HTR RH	15	Seat heaters and ventilators
22	ECU-IG RH	10	Electric tilt and telescopic steering, Multiplex communication system, Smart access system with push-button start, Audio system, Air conditioning system, Shift lock system, Tire pressure warning system, Combination switch, Front stabilizer, Rear stabilizer, DC/DC converter
23	-	-	-
24	-	-	-

1. Sliding Roof Control ECU
2. Overhead Junction Block
3. Door ECU (Front RH)
4. Door ECU (Rear RH)
5. Sun Beam Sensor
6. Smart Key ECU
7. Door Control Receiver
8. Stereo Component Amplifier
9. Rear Sunshade Relay
10. Seat Belt Control ECU
11. Fuse Box
12. Door ECU (Rear LH)
13. Door ECU (Front LH)

Luggage Compartment Fuse Box No.1

Fuses Specifications

No.	Name	A	Description
1	RR TAIL	10	Tail lights, license plate lights, rear side marker lights
2	STOP LP R	10	High mounted stoplights
3	STOP LP L	7.5	Stoplights, back-up light
		10	Stoplights, back-up light
4	RR FOG	10	Rear fog light
5	RR-B	10	Trunk light
6	RR-IG1	10	Pre-collision seat belt, seat belt pretensioners, A/P UNIT, rear sunshade
7	RR-IG2	10
8	-	-	-
9	PSB	30	Pre-collision seat belt
10	RR S/SHADE	7.5	Rear sunshade
11	-	-	-

Luggage Compartment Fuse Box No.2

Fuses Specifications

No.	Name	A	Description
1	STB FR	50	Front stabilizer
2	STB RR	30	Rear stabilizer
3	STB DC/DC	30	DC/DC converter

Engine Compartment

   LHD

   RHD

1. Fuse Box No.1
2. Engine ECU
3. Headlamp Cleaner Control Relay
4. Cooling Fan ECU
5. Injector Driver (EDU)
6. Relay Box No.1
7. Fuse Box No.2
8. Power Steering ECU
9. 3UZ-FE: Relay Box No.2
10. 3GR-FSE, 3GR-FE: Relay Box No.2
11. 3GR-FSE, 3GR-FE: Skid Control ECU with Actuator
12. 3UZ-FE: Skid Control ECU

Engine Compartment Fuse Box No.1

Fuses Specifications

No.	Name	A	Description
1	IG2	10	Electric cooling fans
2	EFI NO.2	10	Fuel system, exhaust system, multiport fuel injection system/sequential multiport fuel injection system, electronic engine control system, leak detection pump
3	H-LP R LWR	15	Headlight low beam (right)
4	H-LP L LWR	15	Headlight low beam (left)
5	H-LP CLN	30	Headlight cleaner
6	STB-AM	30	DC/DC converter
7	A/C COMP	7.5	Air conditioning system
8	DEICER	25	Windshield wiper de-icer
9	FR CTRL-AM	30	Front fog lights, parking lights, windshield washer
10	FR CTRL-B	25	Headlight high beam, horn
11	A/F	15	Exhaust system
12	ETCS	10	Electronic throttle control system
13	ALT-S	7.5	Charging system
14	INJ2	25	1UR-FE (GS460): Multiport fuel injection system/sequential multiport fuel injection system
15	-	-	-
16	-	-	-
17	-	-	-
18	-	-	-
19	H-LP UPR	15	Headlight high beams
20	HORN	10	Horns
21	WASHER	20	Windshield washer
22	FR TAIL	10	Parking lights
23	FR FOG	15	Front fog lights
24	-	-	-
25	F/PMP	25	Fuel system
26	EFI	20	3UZ-FE (GS430), 1UZ-FE (GS460): Multiport fuel injection system/sequential multiport fuel injection system
		25	3GR-FSE, 3GR-FE (GS300): Multiport fuel injection system/sequential multiport fuel injection system
27	INJ	20	Multiport fuel injection system/sequential multiport fuel injection system
Relay
R1	Air conditioner compressor clutch (A/C COMP)
R2	Ignition (IG 2)
R3	Air flow sensor (A/F)
R4	-
R5	-
R6	Starter (ST CUT)
R7	Fuel pump (F/PMP)
R8	-
R9	-
R10	-

Engine Compartment Fuse Box No.2

   LHD

   RHD

Fuses Specifications

No.	Name	A	Description
1	ECU-B	10	VGRS, EPS, Driver’s seat switch module, Lexus Link System ECU
2	ABS MAIN3	10	ECB system
3	TURN-HAZ	15	Turn signal lights, Emergency flashers
4	IG2 MAIN	20	Fuse: "IG2", "GAUGE", "IGN"
5	RAD NO.2	30	Audio system
6	D/C CUT	20	Fuse: "DOME", "MPX-B"
7	RAD NO.1	30	Audio system
8	MPX-B	10	Multiplex communication system, Front controller, Door control system (Power door lock system, Door courtesy lights, Power windows, Power rear view mirror control system, Outside rear view mirror heaters), Power seat system, Steering sensors, ECB system, Power tilt and telescopic steering wheel, Gauges and meters, Combination switch
9	DOME	10	Foot lights, Vanity lights, Gauges and meters, Steering spot light, Steering switch illumination, Rear personal lights, Automatic transmission selector lever spot light, Front personal lights
10	CDS	10	Noise filter
11	ABS MAIN2	10	ECB system
12	ABS MOTOR	30	ABS
13	ABS MAIN1	10	Capacitor
14	-	-	-
15	E/G-B	60	Fuse: "FR CTRL BATT", "ECTS", "ALT-S"
16	-	-	-
17	ABS1	50	VSC system, Fuse: "ABS MAIN1", "ABS MAIN2",  "ABS MTR"
18	RH J/B-B	30	Fuse: "AM2", "DOOR FR", "DOOR RR"
19	VGRS	40	VGRS
20	MAIN	30	Fuse: "H-LP R LWR", "H-LP L LWR"
21	STARTER	30	Starting system
22	LH J/B-B	30	Fuse: "FL DOOR", "RL DOOR", "RND NO.3"
23	P/I-B	60	Multi-port fuel injection system/sequential multiport fuel injection system
24	EPS	80	EPS
25	-	-	-
26	ALT	150	Fuse: "RH J/B-AM", "LH J/B-AM", "E/G-AM", "RR JB", "HEATER", "DEFOG", "FAN1", "FAN2", "ABS2", "ABS MOTOR", "ABS MAIN1", "ABS MAIN2"
27	RR J/B	80	Fuse: "STOP LP R", "STOP LP L", "RR-B", "RR TAIL", "RR FOG", "RR-IG1", "PSB", "RR S/SHADE"
28	GLW PLG1	50	Glow plug heater
29	RH J/B-AM	80	Fuse: "AM1", "OBD", "STOP SW", "TI&TE", "PWR OUTLET", "FR P/SEAT RH", "STR LOCK", "ECU-IG RH", "RH-IG", "ACC", "CIG", "SECURITY", "FR S/HER RH", "AIR SUS"
30	ABS2	30	VSC, ABS
31	DEFOG	50	Rear window defogger, Noise filter
32	CDS	40	CDS
33	FAN1	40	Electric cooling fans
34	HEATER	50	Air conditioning system
35	GLW PLG2	50	Glow plug heater
36	E/G-AM	60	Fuse: "H-LMP CLN", "FR CTRL-AM", "A/C COMP"
37	LH J/B-AM	80	Fuse: "S/ROOF", "FR P/SEAT LH", "TV", "FR S/HTR LH", "FR WIP", "H-LP LVL", "LH-IG", "FUEL OPEN", "A/C", "PANEL", "LH-B"
38	FAN2	60	Electric cooling fans
Relay
R1	Starter
R2	Electric cooling fan (FAN MAIN)
R3	Headlamp (HEAD LP)
R4	(EPS)
R5	Rear window defogger (DEFOG)

Engine Compartment Relay Box No.1

Relay Block

No.	Description
R1	-
R2	-
R3	PTC heater (GLW RLY1)
R4	PTC heater (GLW RLY2)

Engine Compartment Relay Box No.2

Relay Block

No.	Description
R1	3UZ–FE: Anti−lock brake system (ABS MAIN1)
	3GR–FSE, 3GR–FE: Anti−lock brake system (ABS MOTOR1)
R2	3UZ–FE: Anti−lock brake system (ABS MAIN2)
R3	3UZ–FE: Anti−lock brake system (ABS MOTOR1)
R4	Anti−lock brake system (ABS MOTOR2)