Toyota Prius 40 41 – fuses and relays

Toyota Prius V and Toyota Prius + (Plus) station wagon built on the Toyota Prius platform produced in 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 with markings ZVW40 / ZVW41. In this article, we will show the location of electronic control units, a description of fuses and relays Toyota Prius 40 41 with block diagrams and their locations. We will highlight the fuse responsible for the cigarette lighter.

There are three fuse boxes in the Toyota Prius V +. 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

Fuse box / main body ECU
Rear Fog Light Relay
Dome light off relay
Power steering ECU
Windscreen wiper relay
Connector (CAN)
Network Gateway ECU
Seat belt control unit
ECU for driving support system
LHD: Approaching Vehicle Speaker Controller
Fuse box
Headlight correction ECU
Parking assistance system ECU
Gearbox control unit
Power Management ECU
LHD: Extension Module
High voltage battery distribution block
Stereo Component Amplifier
Battery voltage sensor
Airbag ECU
Air conditioner booster
Brake light control unit
RHD: Double Door Lock Control Relay
RHD: Safety Horn 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
13	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

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

Additional elements

Scheme

Sliding roof control system ECU
Door control receiver
Fuse block
High voltage battery distribution block assembly

Blocks under the hood

Location

General layout of electronic control units under the hood

Fuse and relay box
Engine control unit
Inverter with converter
Headlight Washer Relay
RHD: Brake Control Unit
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	AMP 30A – Audio system
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 October 2014: Audio system
15	HORN 10 A – Since October 2014: Signal
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 – Left headlight (low beam)
46	H-LP RH LO 15 A – 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	Daytime Running Lights (DRL)
R10

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”