Toyota Prius 30 – Fuses and Relays

Toyota Prius 3rd generation is a hybrid passenger car, produced in 2009, 2010,2011, 2012, 2013, 2014, 2015 with the designation ZVW 30. In this material we will consider in detail the location of electronic control units, description of fuses and relays Toyota Prius 30 with photos and block diagrams. Note the cigarette lighter fuse.

There are three fuse boxes in the Toyota Prius 30. The first is located under the dashboard in the passenger compartment, the second in the engine compartment, and the third in the trunk. Check the assignment of the elements with your diagrams on the cover of the box.

Blocks in the cabin

Location

General layout of electronic control units in the cabin

Left hand drive

1. Windscreen wiper relay
2. Body electrical equipment control unit
3. Fuse box
4. Brake light relay
5. Power Steering Control Unit
6. Rear Fog Light Relay
7. LHD: Panel Relay
8. Direction indicator relay (hazard warning lights)
9. Distribution block
10. Distribution block
11. Seat belt control unit
12. Driver assistance system control unit
13. Headlight corrector control unit
14. Parking assistant control unit
15. Gearbox control unit
16. Power control unit
17. Solar Ventilation Relay
18. Audio Amplifier (Before December 2011)
19. Audio Amplifier (Since December 2011)
20. Solar Battery Air Conditioning Blower Vent ECU
21. Airbag control unit
22. Distribution connector
23. Air conditioner booster
24. Additional fuse box
25. RHD: Double Door Lock Relay

Fuse box

It is located under the instrument panel on the left side. To access it, you need to remove the protective cover.

Left hand drive

1	CIG 15 A – Socket (cigarette lighter)
2	ECU-ACC 10A – Multiplex data transmission system, outside rearview mirrors, driver assistance system, audio system, navigation system
3	PWR OUTLET 15 A – Socket
4	–
5	SEAT HTR FR 10 A – Seat heater
6	–
7	SEAT HTR FL 10 A – Seat heater
8	DOOR NO.1 25 A – Door lock system
9	–
10	PSB 30 A – Seat belt with pre-crash system
11	PWR SEAT FR 30 A – Electric seats, lumbar support
12	DBL LOCK 25 A – RHD: Double locking system
13	FR FOG 15 A – Before December 2011: Fog lights
	FR FOG 7.5 A – From December 2011: Fog lights
14	PWR SEAT FL 30 A – Electric seats, lumbar support
15	OBD 7.5 A – Diagnostic connector
16
17	RR FOG 7.5 A – Rear Fog Light
18	–
19	STOP 10A – Brake lights, high-mounted brake light, brake system, electric windows, driver assistance system, emergency stop signal
20
21	P FR DOOR 25 A – Window lifter
22	D FR DOOR 25 A – Window lifter
23
24	DOOR RR 25 A — Window lifter
25	DOOR RL 25 A — Window lifter
26	S/ROOF 30 A – Hatch
27	ECU-IG NO.1 10 A – Electric cooling fans, multiplex data transmission system
28	ECU-IG NO.2 10A – Driver support system, seat belt with pre-crash system, interior rearview mirror, yaw rate and G-force sensor, brake system, electric power steering, navigation system, electric sunroof, seat belt pre-tensioners, audio system, hazard warning lights, turn signals, windshield wipers, headlight cleaner
29
30	GAUGE 10A – Headlamp leveling system, front passenger seat belt reminder indicator, instruments and indicators
31	A/C 10 A – Air conditioning system, solar powered ventilation system, remote controlled air conditioning system
32	WASHER 15 A — Windscreen washer
33	RR WIP 20 A – Rear window wiper and washer
34	WIP 30 A – Windscreen wiper
35
36	MET 7.5 A – Instruments and indicators
37	IGN 10 A – Brake system, driver assistance system, multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system, passenger presence sensor, electric windows, intelligent entry and start system
38	PANEL 10 A – Air conditioning system, hazard warning lights, heated seats, transmission, P position switch, navigation system, solar powered ventilation system, remote controlled air conditioning system, intelligent parking assist system, headlamp cleaner, front passenger seat belt reminder indicator, headlamp leveling system, glove compartment light, clock, audio system
39	TAIL 10 A – Headlamp leveling system, side lights, tail lights, number plate light, rear fog light, fog lights

Fuse number 1, 15A, is responsible for the operation of the cigarette lighter.

Additional fuse box

1. 10A WIP NO.4 – Cruise control, dynamic radar cruise control, engine control unit
2. –

Additional elements

Scheme

1. Hatch control unit
2. Central lock receiver
3. Power fuse box
4. Distribution block
5. Battery voltage sensor
6. Tire pressure monitoring system control unit

Power fuse box

Located on the positive terminal of the battery.

1. 140A Main – Fuses: “DC/DC”, “DRL”, “AMP”, “AMP NO.1”, “AMP NO.2”, “H-LP HI MAIN”, “EPS”, “ABS MTR 1”, “ABS MTR 2”, “DC/DC-S”, “P/I 2”, “ECU-B2”, “AM2”, “ECU-B3”, “TURN & HAZ”, “P CON MAIN”, “SHORT PIN”, “ABS MAIN NO.1”, “P-CON MTR”, “MAYDAY”, “ETCS”, “IGCT”, “P/I 1”

Blocks under the hood

Location

General layout of electronic control units under the hood

1. Fuse and relay box
2. Engine control unit
3. Inverter with converter
4. Headlight Washer Relay
5. RHD: Brake Control Unit
6. LHD: Brake Control Unit

Fuse and relay box

Located on the left side of the engine compartment.

1	ABS MAIN NO.2 7.5 A — Anti-lock braking system
2	ENG W/P 30 A — Cooling system
3	S-HORN 10 A – Alarm
4	–
5	ABS MAIN NO.1 20 A — Anti-lock braking system
6	ETCS 10 A – Multi-port fuel injection system/sequential multi-port fuel injection system
7	TURN & HAZ 10 A – Direction indicators
8	ECU-B3 10 A – Air conditioning system
9	MAYDAY 10 A — Telematics system
10	ECU-B2 7.5 A – Intelligent Entry and Start System
11	AM2 7.5 A – Power Management System
12	P CON MAIN 7.5 A — Gear selector, gearbox control unit
13	DC/DC-S 5A – DC to DC Converter and Power Converter
14	IGCT 30 A — Fuses: “PCU”, “IGCT NO.2”, “IGCT NO.3”
15	AMP 30 A – Until December 2011: Audio system
	AMP NO.1 30 A – From December 2011: Audio system
16	SHORT PIN — Fuses: “ECU-B”, “RAD NO.1”, “DOME”
17	AMP NO.2 30 A – Audio system, navigation system
18	DRL 7.5 A – Daytime running lights
19	H-LP HI MAIN 20 A – High beam headlights, daytime running lights
20	IGCT NO.3 10 A Cooling system
21	EFI NO.2 10 A – Multiport fuel injection system/sequential multiport fuel injection system
22	H-LP RH HI 10 A – Right headlight (high beam)
23	H-LP LH HI 10 A – Left headlight (high beam)
24	ECU-B 7.5 A – Intelligent entry and start system, multiplex data transmission system, alarm, personal lighting, instruments and indicators
25	DOME 10 A – Door sill lighting, personal lighting, interior lighting, footwell lighting, vanity mirror lighting, interior rearview mirror, electric power steering
26	RAD NO.1 15 A – Audio system, navigation system
27	MIR HTR 10 A — Heated exterior rearview mirrors
28	IGCT NO.2 10A – Hybrid system, Parking control system, Electric windows, Power system, DC-DC converter and inverter, Multi-port fuel injection system/Sequential multi-port fuel injection system
29	PCU 10A – DC/DC Converter and Converter
30	IG2 20 A — Multi-port fuel injection system/sequential multi-port fuel injection system, fuses: “MET”, “IGN”, fuel system
31	BATT FAN 10 A – Battery cooling fan
32	EFI MAIN 20 A — Multiport fuel injection system/sequential multiport fuel injection system, cooling system, fuse: “EFI NO.2”
33	–
34	H-LP CLN 30 A – Headlight Cleaner
35	–
36	CDS 30 A – Electric cooling fans
37	RDI 30 A – Electric Cooling Fans
38	HTR 50 A – Air conditioning system
39	P-CON MTR 30 A — Gearbox selector, gearbox control unit
40	EPS 60 Electric Power Steering
41	P/I 1 60 A — Fuses: “IG2”, “EFI MAIN”, “BATT FAN”
42	ABS MTR 2 30 A – Anti-lock braking system
43	ABS MTR 2 30 A – Anti-lock braking system
44	P/I 2 40 A — Parking control system, horn, right headlight (low beam), left headlight (low beam), reversing lights
45	H-LP LH LO 15 A Since December 2011: Left headlight (low beam)
46	H-LP RH LO 15 A – From December 2011: Right headlight (low beam)

Relay

R1	Cooling system (ENG W/P)
R2	Cooling system fan (FAN NO.3)
R3	Gearbox selector (P-CON MTR)
R4	Cooling system fan (FAN NO.1)
R5	Anti-theft system (S-HORN)
R6	Dimmer/daytime running lights (DIM/DRL)
R7	Power Control Unit (IGCT)
R8	Cooling system fan (FAN NO.2)
R9	Before December 2011: – From December 2011: Daytime Running Lights (DRL)
R10	Since December 2011: –

125A DC/DC – Integrated relay, “TAIL” relay, “P/POINT” relay, “ACC” relay, “IG1 NO.1” relay, “IG1 NO.2” relay, “IG1 NO.3” relay, fuses: “HTR”, “RDI”, “CDS”, “S-HORN”, “ENG W/P”, “ABS MAIN NO.2”, “H-LP” CLN”, “FR FOG”, “PWR SEAT FL”, “OBD”, “STOP”, “RR FOG”, “DBL LOCK”, “PWR SEAT FR”, “DOOR NO.1”, “PSB”, “D FR DOOR”, “P FR DOOR”, “DOOR RL”, “DOOR RR”, “S/ROOF”