Lexus IS 300 (2006 – 2013) – fuse box diagram

Year of production: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

Passenger compartment

Left-hand drive vehicles (LHD)

Right-hand drive vehicles (RHD)

1. Fuse Box (LH)
2. Body ECU (LH)
3. Tilt and Telescopic ECU
4. Turn Signal Flasher
5. ID Code Box
6. A/C Amplifier
7. Power Source Control ECU
8. Skid Control ECU
9. Fuse Box (RH)
10. Body ECU (RH)
11. Gateway ECU
12. Double Door Lock ECU
13. Junction Connector
14. Airbag Sensor Assembly Center
15. Shift Lock Control ECU
16. Multi-Media Module Navigation Assembly
17. Steering Lock ECU
18. Distance Control ECU
19. Junction Connector
20. Headlamp Swivel ECU

Passenger compartment fuse box no. 1 (LH)

No.	Fuse	A	Circuit
1	FR P/SEAT LH	30	Power seat
2	A/C	7.5	Air conditioning system
3	MIR HTR	15	Outside rear view mirror defoggers
4	TV NO.1	10	Display
5	–	–	–
6	FUEL OPN	10	Fuel filler door opener
7	TV NO.2	7.5
8	PSB	30	Pre-collision seat belt
9	S/ROOF	25	Electric moon roof
10	TAIL	10	Tail lights, license plate lights, parking lights
11	–	–	–
12	PANEL	7.5	Switch illumination, air conditioning system, display
13	RR FOG	7.5	Rear fog light
14	ECU-IG LH	10	Cruise control, air conditioning system, power steering, rain sensor, antiglare inside rear view mirror, shift lock system, moon roof, tire inflation pressure warning system
15	–	–	–
16	FR S/HTR LH	15	Seat heaters and ventilators
17	RR DOOR LH	20	Power windows
18	FR DOOR LH	20	Power windows, outside rear view mirror
19	SECURITY	7.5	Smart access system with push-button start
20	–	–	–
21	H-LP LVL	7.5	Automatic headlight leveling system
22	LH-IG	10	Charging system, headlight cleaner, rear window defogger, electric cooling fans, emergency flashers, turn signal lights, back-up lights, stop lights, mirror heaters, sun shade, seat belts, park assist system, cruise control, air conditioning system, PTC heater, manual transmission, windshield wiper de-icer
23	–	–	–
24	FR WIP	30	Windshield wipers

Passenger compartment fuse box no. 2 (RH)

No.	Fuse	A	Circuit
1	FR P/SEAT RH	30	Power seat
2	DOOR DL	15	Door double lock
3	OBD	7.5	On-board diagnosis system
4	STOP SW	7.5	Stop lights, multiport fuel injection system/sequential multiport fuel injection system, VDIM, shift lock system, high mounted stop light
5	–	–	–
6	TI&TE	20	Electric tilt and telescopic steering column
7	–	–	–
8	RAD NO.3	10	Audio
9	–	–	–
10	GAUGE	7.5	Meter
11	IGN	10	SRS airbag system, Lexus link system, cruise control, steering lock system, fuel system, stop lights
12	ACC	7.5	Lexus link system, clock, air conditioning system, audio, display, outside rear view mirrors, smart access system with push-button start, Lexus parking assist monitor, glove box light, console box light, multiplex communication system, display, smart access system with push-button
13	–	–	–
14	CIG	15	Cigarette lighter
15	PWR OUTLET	15	Power outlet
16	–	–	–
17	RR DOOR RH	20	Power windows
18	FR DOOR RH	20	Power windows, outside rear view mirrors
19	AM2	15	Smart access system with push-button start
20	RH-IG	7.5	Seat belts, park assist system, automatic transmission, seat heater and ventilator, windshield wiper deicer
21	FR S/HTR RH	15	Seat heaters and ventilators
22	ECU-IG RH	10	Power seats, smart access system with push-button start, AWD system, outside rear view mirrors, VDIM, VSC, air conditioning system, pre-collision safety belt, electric tilt and telescopic steering, power windows, navigation system
23	–	–	–
24	–	–	–

 

1. Sliding Roof Control ECU
2. Overhead Junction Block
3. Outer Mirror Control ECU (RH)
4. Mirror Heater Relay
5. Door Control Receiver
6. Rear Sunshade Relay
7. Certification ECU
8. Stereo Component Amplifier
9. Seat Belt Control ECU
10. Clearance Warning ECU
11. Outer Mirror Control ECU (LH)

Engine compartment

Left-hand drive vehicles (LHD)

Right-hand drive vehicles (RHD)

1. Fuse Box No.1
2. Engine ECU
3. Headlamp Cleaner Control Relay
4. Gasoline: Injector Driver (EDU)
5. Diesel: Injector Driver (EDU)
6. Fuse Box No.2
7. Power Steering ECU
8. Glow Plug Relay
9. Skid Control ECU with Actuator
10. Relay Box

Engine compartment fuse box no. 1

No.	Fuse	A	Circuit
1	IG2	10	Ignition system
2	EFI NO.2	10	Fuel system, exhaust system
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	–	–	–
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	Multiport fuel injection system/sequential multiport fuel injection system
13	ALT-S	7.5	Charging system
14	TEL	10	TEL
15	STR LOCK	25	Steering lock
16	–	–	–
17	–	–	–
18	–	–	–
19	H-LP UPR	20	Headlight high beams
		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	25	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	Electric cooling fan (FAN NO.1)
R3	Air flow sensor (A/F)
R4	Ignition (IG 2)
R5	Starter (ST CUT)
R6	Electric cooling fan (FAN NO.3)
R7	Fuel pump (F/PMP)
R8	Illumination (PANEL)
R9	Brake light (BRK-LP)
R10	Electric cooling fan (FAN NO.2)

Engine compartment fuse box no. 2

Left-hand drive vehicles (LHD)

Right-hand drive vehicles (RHD)

No.	Fuse	A	Circuit
1	ABS 3	25	VDIM
2	PWR HTR	25	Power heater
3	TURN-HAZ	15	Emergency flashers, turn signals
4	IG2 MAIN	20	Fuse: “IG2”, “IGN”, “GAUGE”
5	RAD NO.2	30	Audio
6	D/C CUT	20	Fuse: “DOME”, “MPX-B”
7	RAD NO.1	30	Audio
8	MPX-B	10	Headlights, front fog lights, parking lights, license plate lights, windshield washer, horn, power door lock system, power windows, power seats, electric tilt and telescopic steering column, meter, smart access system with pushbutton start, outside rear view mirrors, air conditioning system, security system
9	DOME	10	Interior lights, meter
10	–	–	–
11	–	–	–
12	–	–	–
13	–	–	–
14	–	–	–
15	E/G-B	60	Steering lock system, exhaust system, fuse:”FR CTRL-B”, “ETCS”, “ALT-S”
16	DIESEL GLW	80	Glow control unit
17	ABS1	50	VSC, VDIM
18	RH J/B-B	30	Power door lock system, smart access system with push-button start
19	–	–	–
20	MAIN	30	Headlight low beams
21	STARTER	30	Smart access system with push-button start
22	LH J/B-B	30	Power door lock system, fuse: “SECURITY”
23	P/I-B	60	Multiport fuel injection system/sequential multiport fuel injection system
24	EPS	80	Power steering
25	–	–	–
26	ALT	150	Fuse: “LH J/B-AM”, “E/G-AM”, “GLW PLG2”, “HEATER”, “FAN1”, “FAN2”, “DEFOG”, “ABS2”, “RH J/B-AM”, “GLW PLG1”, “LH J/B-B”, “RH J/B-B”
27	–	–	–
28	GLW PLG1	50	PTC heater
29	RH J/B-AM	80	Fuse: “OBD”, “STOP SW”, “TI&TE”, “FR P/SEAT RH”, “RAD NO.3”, “ECU-IG RH”, “RH-IG”, “FR S/HTR RH”, “ACC”, “CIG”, “PWR OUTLET”
30	ABS2	30	VSC
31	DEFOG	50	Rear window defogger
32	FAN2	40	Electric cooling fans
33	FAN1	40	Electric cooling fans
34	HEATER	50	Air conditioning system
35	GLW PLG2	50	PTC heater
36	E/G-AM	60	Headlight cleaners, front fog lights, parking lights, air conditioning system
37	LH J/B-AM	80	Fuse: “S/ROOF”, “FR P/SEAT LH”, “TV NO.1”, “A/C”, “FUEL/OPEN”, “PSB”, “FR WIP”, “H-LP LVL”, “LH-IG”, “ECU-IG LH”, “PANEL”, “TAIL”, “MIR HTR”, “FR S/HTR LH”
38	–	–	–
Relay
R1	Starter
R2	Gasoline: PTC heater (GLW RLY1)
	Diesel: Electric cooling fan (FAN NO.1)
R3	Headlamp (HEAD LP)
R4	Gasoline: PTC heater (GLW RLY2)
	Diesel: Electric cooling fan (FAN NO.3)
R5	Rear window defogger (DEFOG)

Engine Compartment Relay Box

No.	Relay
R1	Anti−lock brake system (ABS MOTOR1)
R2	Anti−lock brake system (ABS SOL)
R3	Windshield wiper de-icer (DEICER)
R4	Anti−lock brake system (ABS MOTOR2)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.