Toyota Prius 30 fuse and relay

The 3rd generation Toyota Prius is a hybrid passenger car produced in 2009, 2010, 2011, 2012, 2013, 2014, 2015 with the designation ZVW30. In this material, we will take a closer look at the location of the electronic control units, a description of the fuses and relays of the Toyota Prius 30 with photographs and box diagrams. Note the cigarette lighter fuse.

toyota prius 30

The Toyota Prius 30 has three fuse boxes. The first is located under the panel in the passenger compartment, the second in the engine compartment, and the third in the luggage compartment. Check the purpose of the elements with your diagrams on the box cover.

Passenger compartment


General layout of electronic control units in the cabin




RHD - location


  1. Windshield Wiper Relay
  2. Main Body ECU
  3. Fuse Box
  4. Stop Light Control Relay
  5. Power Steering ECU
  6. Rear Fog Light Relay
  7. LHD: Panel Relay
  8. Turn Signal Flasher
  9. Junction Block
  10. Junction Block
  11. Seat Belt Control ECU
  12. Driving Support ECU
  13. Headlight Leveling ECU
  14. Parking Assist ECU
  15. Transmission Control ECU
  16. Power Management Control ECU
  17. Solar Ventilation Relay
  18. Stereo Component Amplifier (Before Dec. 2011)
  19. Stereo Component Amplifier (From Dec. 2011)
  20. Solar Battery Air Conditioning Blower Vent ECU
  21. Center Airbag Sensor Assembly
  22. Junction Connector (CAN)
  23. A/C Amplifier
  24. Additional Fuse Box
  25. RHD: Double Lock Door Control Relay

Fuse box

It is located under the instrument panel itself on the left side. To access, remove the protective cover.




RHDaccess RHD

Photo example of execution

photo fuse box prius 30

Example of a diagram from the box cover

photo covery box


Diagram fuse box prius 30

Protected components

1CIG 15 A – Socket (cigarette lighter)
2ECU-ACC 10 A – Multiplex data transmission system, outside rearview mirrors, driver assistance system, audio system, navigation system
3PWR OUTLET 15 A – Socket
5SEAT HTR FR 10 A – Seat heater
7SEAT HTR FL 10 A – Seat heater
8DOOR NO.1 25 A – Door lock system
10PSB 30 A – Safety belt with pre-crash system
11PWR SEAT FR 30 A – Electric seat, lumbar support
12DBL LOCK 25 A – RHD: Double locking system
13FR FOG 15 A – Before December 2011: Fog lights
FR FOG 7.5 A – From December 2011: Fog lights
14PWR SEAT FL 30 A – Electric seat, lumbar support
15OBD 7.5 А – Diagnostic connector
17RR FOG 7.5 А – Rear fog lamp
19STOP 10 A – Stop lights, high stop light, brake system, power windows, driver assistance system, emergency stop signal
21P FR DOOR 25 A – Window regulator
22D FR DOOR 25 А – Window regulator
24DOOR RR 25 A – Window regulator
25DOOR RL 25 A – Window regulator
26S / ROOF 30 А – Luke
27ECU-IG NO.1 10 A – Electric cooling fans, multiplex data transmission system
28ECU-IG NO.2 10 A – Driver support system, seat belt with pre-crash system, interior rearview mirror, yaw rate and overload sensor, brake system, electric power steering, navigation system, electric sunroof, seat belt pretensioners, audio system, hazard warning lights, indicators turning, windshield wipers, headlight cleaner
30GAUGE 10 A – Headlamp leveling system, front passenger seat belt reminder indicator, gauges and indicators
31A / C 10 A – Air Conditioning System, Solar Powered Ventilation System, Remote Controlled Air Conditioning System
32WASHER 15 A – Glass washer
33RR WIP 20 A – Rear window wiper and washer
34WIP 30 A – Windscreen wiper
36MET 7.5 A – Instruments and indicators
37IGN 10 A – Brakes, Driver Assistance System, Multiport Fuel Injection System / Sequential Multiport Fuel Injection System, SRS Airbag System, Passenger Occupancy Sensor, Power Windows, Intelligent Entry and Start System
38PANEL 10 A – Air conditioning, hazard warning lights, heated seats, transmission, P switch, navigation system, solar ventilation system, air conditioning with remote control, intelligent parking aid, headlight cleaner, indicator front passenger seat belt reminder, headlight leveling system, glove box lighting, clock, audio system
39TAIL 10 A – Headlamp leveling system, side lights, rear lights, license plate light, rear fog light, fog lights

The fuse number 1 at 15A is responsible for the operation of the cigarette lighter.

Additional fuse box

additional fuse box prius 30

  1. 10A WIP N4 – Cruise control, dynamic radar cruise control, engine control

Additional elements


add el


  1. Sunroof control unit
  2. Central locking receiver
  3. Fusible link box
  4. Distribution box
  5. Battery voltage sensor
  6. Tire pressure monitoring system control unit

Fusible link box

Located on the positive terminal of the battery.

Main fuse 3

  1. 140A Main – “DC/DC”, “DRL”, “AMP”, “AMP №1”, “AMP №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 №1”, “P-CON MTR”, “MAYDAY”, “ETCS”, “IGCT”, “P/I 1” fuses

Engine compartment


General layout of electronic control units under the hood

location under the hood prius 30


  1. Fuse and Relay Box
  2. ECM
  3. Inverter with Converter
  4. Headlight Cleaner Relay
  5. RHD: Skid Control ECU with Actuator
  6. LHD: Skid Control ECU with Actuator

Fuse and relay box

Located on the left side of the engine compartment under the hood.

photo 2


Diagram 2


Before December 2011


From December 2011




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


R1Cooling system (ENG W / P)
R2Cooling fan (FAN NO.3)
R3Gear selector (P-CON MTR)
R4Cooling fan (FAN NO.1)
R5Anti-theft system (S-HORN)
R6Dimmer / Daytime Running Lights (DIM / DRL)
R7Power Control Unit (IGCT)
R8Cooling fan (FAN NO.2)
R9Before December 2011: –
From December 2011: Daytime Running Lights (DRL)
R10From December 2011: –

Main fuse

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


That’s all. If you have something to add – write in the comments.

Comments 2

  • In prius 2015 what the special fuse for crose control.? and where it is?
    thank you

  • Kas zinote, kuris yra saugiklis -cigaretes uzdegimo lizdo,jie yra du.3 priusas,2010 m.Negaliu pasikrauti telefono.

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