Toyota Prius (XW50; 2016-2019..) fuses and relays

 

In this article, we consider the fourth-generation Toyota Prius (XW50), available from 2015 to the present. Here you will find fuse box diagrams of Toyota Prius 2016, 2017, 2018 and 2019, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Toyota Prius 2016-2019…


Cigar lighter (power outlet) fuses in the Toyota Prius are the fuse #1 “P/OUTLET NO.1” in the Instrument panel fuse box, and fuse #2 “P/OUTLET NO.2” in the Engine Compartment Fuse Box.


Passenger compartment overview

Left-hand drive vehiclesThe location of the fuses in the passenger compartment (LHD): Toyota Prius (2016-2019-..)

Right-hand drive vehiclesThe location of the fuses in the passenger compartment (RHD): Toyota Prius (2016-2019-..)

Passenger Compartment Fuse Box

Fuse box location

The fuse box is located under the instrument panel (left side), under the cover.The location of the fuses in the passenger compartment: Toyota Prius (XW50; 2016-2019-..)

Fuse box diagram

Instrument panel fuse box diagram: Toyota Prius (2016, 2017, 2018, 2019)


 

Assignment of the fuses in the Passenger Compartment

Name Amp Circuit
1 ECU-B NO.2 7.5 Air Conditioner, Cruise Control, Door Lock Control, Grille Shutter, Hybrid System, Multiplex Communication System (CAN), Power Window, Remote Control Mirror, Shift Control System, Theft Deterrent, Tire Pressure Warning System, Vehicle Proximity Notification System
2 ECU-B NO.1 5 Back Door Opener, Cruise Control, Entry & Start System, Hybrid System, Immobiliser System, Shift Control System, Starting, Steering Lock, Vehicle Proximity Notification System, Wireless Door Lock Control
3 D/L 20 Door Lock Control, Back Door Opener, Entry & Start System, Immobiliser System,Starting, Steering Lock, Wireless Door Lock Control
4 STOP 7.5 Stop Light, ABS, Back Door Opener, Cruise Control, Dynamic Radar Cruise Control, Entry & Start System, Hybrid System, Immobiliser System, Shift Control System, Starting, Steering Lock, TRC, Vehicle Proximity Notification System, VSC, Wireless Door Lock Control
5 AM2 7.5 Back Door Opener, Entry & Start System, Immobiliser System, Starting, Steering Lock, Wireless Door Lock Control
6 HAZ 10 Turn Signal and Hazard Warning Light, Back Door Opener, Combination Meter, Entry & Start System, Immobiliser System, Starting, Steering Lock, Wireless Door Lock Control
7 PANEL 5 Illumination, Taillight
8 TAIL 10 Taillight, Rear Fog Light, Front Fog Light, Illumination
9 DOOR 20 Power Window
10 DOOR R/R 20 Power Window
11 P/OUTLET NO.1 15 Power Outlet
12
13 WASHER 15 Front Wiper and Washer, Rear Wiper and Washer
14 WIPER RR 15 Rear Wiper and Washer
15 ECU-IG1 NO.4 10 ABS, Air Conditioner, Audio System, Automatic Glare-Resistant EC Mirror, Automatic Light Control, Back Door Opener, Back Guide Monitor System, Blind Spot Monitor System, Combination Meter, Cruise Control, Door Lock Control, Double Locking, Dynamic Radar Cruise Control, Entry & Start System, Front Fog Light, Front Wiper and Washer (w/ Auto Wiper System), Headlight, Headlight Beam Level Control, Hybrid System, Illumination, Immobiliser System, Intelligent Parking Assist, Interior Light, Lane Departure Alert, Light Auto Turn Off System, Light Reminder, Mirror Heater, Multiplex Communication System (CAN), Navigation System, Power Window, Pre-Crash Safety System, Rear Fog Light, Rear View Monitor System (Built-in Type Amplifier), Rear Window Defogger, Remote Control Mirror, Seat Belt Warning, Seat Heater, Shift Control System, Sliding Roof, Starting, Steering Lock, Taillight, Theft Deterrent, Tire Pressure Warning System, TRC, Vehicle Proximity Notification System, VSC, Wireless Door Lock Control
16 BKUP LP 7.5 Back-Up Light, Audio System, Back Guide Monitor System, Navigation System, Rear View Monitor System (Built-in Type Amplifier)
17 ECU-IG1 NO.2 5 ABS, TRC, VSC
18
19 FOG RR 7.5 Rear Fog Light
20 OBD 7.5 On-Board Diagnosis System
21 DOME 7.5 Interior Light, Back Door Opener, Entry & Start System, Immobiliser System, Starting, Steering Lock, Wireless Door Lock Control
22 DOOR BACK 7.5 Back Door Opener, Entry & Start System, Immobiliser System, Starting, Steering Lock, Wireless Door Lock Control
23
24 ECU-DCC NO.2 10 ABS, Air Conditioner, Audio System, Automatic Light Control, Back Door Opener, Back Guide Monitor System, Combination Meter, Cruise Control, Door Lock Control, Double Locking, Dynamic Radar Cruise Control, Engine Control, Entry & Start System, EPS, Front Fog Light, Fuel Lid Opener, Grille Shutter, Headlight, Headlight Beam Level Control, Hybrid System, Illumination, Immobiliser System, Intelligent Parking Assist, Interior Light, Lane Departure Alert, Light Auto Turn Off System, Light Reminder, Navigation System, Power Window, Pre-Crash Safety System, Rear Fog Light, Rear View Monitor System (Built-in Type Amplifier), Remote Control Mirror, Seat Belt Warning, Shift Control System, Sliding Roof, SRS, Starting, Steering Lock, Taillight, Telematics System, Theft Deterrent, Tire Pressure Warning System, TRC, Turn Signal and Hazard Warning Light, Vehicle Proximity Notification System, VSC, Wireless Charger System, Wireless Door Lock Control, Wireless Door Lock Control
25 ECU-DCC NO.1 5 ABS, TRC, VSC
26 RADIO 15 Audio System, Back Guide Monitor System, Navigation System, Rear View Monitor System (Built-in Type Amplifier)
27 DOOR R/L 20 Power Window
28
29
30
31 ECU-ACC 5 ABS, Air Conditioner, Audio System, Automatic Light Control, Back Door Opener, Back Guide Monitor System, Combination Meter, Door Lock Control, Double Locking, Entry & Start System, Front Fog Light, Headlight, Headlight Beam Level Control, Illumination, Immobiliser System, Interior Light, Light Auto Turn Off System, Light Reminder, Multiplex Communication System (CAN), Navigation System, Power Outlet, Power Window, Rear Fog Light, Rear View Monitor System (Built-in Type Amplifier), Remote Control Mirror, Seat Belt Warning, Sliding Roof, Starting, Steering Lock, Taillight, Telematics System, Theft Deterrent, Tire Pressure Warning System, TRC, VSC, Wireless Charger System, Wireless Door Lock Control
32 ECU-IG1 NO.3 7.5 Air Conditioner, Dynamic Radar Cruise Control, Headlight, Headlight Beam Level Control, Illumination, Lane Departure Alert, Mirror Heater, Pre-Crash Safety System, Rear Window Defogger, Taillight
33 EPS-IG1 5 EPS
34 A/BAG-IG2 10 SRS, Seat Belt Warning
35 METER-IG2 5 ABS, Air Conditioner, Audio System, Automatic Light Control, Back Door Opener, Back Guide Monitor System, Combination Meter, Cruise Control, Dynamic Radar Cruise Control, Engine Control, Entry & Start System, EPS, Front Fog Light, Fuel Lid Opener, Grille Shutter, Headlight, Headlight Beam Level Control, Hybrid System, Illumination, Immobiliser System, Intelligent Parking Assist, Lane Departure Alert, Light Auto Turn Off System, Light Reminder, Navigation System, Power Window, Pre-Crash Safety System, Rear Fog Light, Rear View Monitor System (Built-in Type Amplifier), Seat Belt Warning, Shift Control System, Sliding Roof, SRS, Starting, Steering Lock, Taillight, Telematics System, Theft Deterrent, Tire Pressure Warning System, TRC, Turn Signal and Hazard Warning Light, Vehicle Proximity Notification System, VSC, Wireless Door Lock Control
36 ECU-IG2 NO.3 5 ABS, Cruise Control, Dynamic Radar Cruise Control, Hybrid System, Multiplex Communication System (CAN), Shift Control System, Telematics System, TRC, Vehicle Proximity Notification System, VSC

Name Amp Circuit
1
2 POWER 30 Power Window
3 P/SEAT 30 Power Seat
4 S/ROOF 30 Sliding Roof

Relay Box

Left-hand drive vehiclesPassenger Compartment Relay Box (LHD): Toyota Prius (2016, 2017, 2018, 2019)

Right-hand drive vehiclesPassenger Compartment Relay Box (RHD): Toyota Prius (2016, 2017, 2018, 2019)

Relay
R1 (R/MIR (-))
R2 (R/MIR (+))
R3 Ignition (IG1 NO.4)
R4
R5 Front fog light (FR FOG)
R6 RHD: Theft deterrent (S-HORN)

Engine Compartment Fuse Box

Fuse box location

The location of the fuses in the engine compartment: Toyota Prius (2016-2019-..)

Fuse box diagram

Under-hood fuse box diagram: Toyota Prius (2016, 2017, 2018, 2019)

 

Assignment of the fuses and relay in the Engine Compartment

Name Amp Circuit
1 WIPER 30 Front Wiper and Washer
2 P/OUTLET NO.2 15 Power Outlet
3 DOOR DBL/L 20 Double Locking
4
5 FUEL OPN 10 Engine Control, Fuel Lid Opener
6 S/HTR-MAIN 20 Seat Heater
7
8 FOG FR 10 Front Fog Light
9 TOWING- DC/DC 20 Trailer Towing
10 ENG W/PMP 25 Engine Control, Air Conditioner, Fuel Lid Opener
11
12
13
14
15
16
17
18 S/HTR F/L 10 Seat Heater
19 S/HTR F/R 10 Seat Heater
20 EFI NO.2 10 Air Conditioner, Cooling Fan, Engine Control, Fuel Lid Opener
21 EFI NO.3 10 Engine Control, Fuel Lid Opener
22 INJ 15 Ignition, Combination Meter, Engine Control, Fuel Lid Opener
23 ECU-IG2 NO.1 10 Cruise Control, Engine Control, Fuel Lid Opener, Hybrid System, Shift Control System, Vehicle Proximity Notification System
24 PM-IGCT 10 Hybrid System, Cruise Control, Dynamic Radar Cruise Control, Shift Control System, Vehicle Proximity Notification System
25 IGCT NO.2 10 Cruise Control, Dynamic Radar Cruise Control, Hybrid System, Shift Control System, Vehicle Proximity Notification System
26 BATT FAN 15 Hybrid System, Cruise Control, Shift Control System, Vehicle Proximity Notification System
27 PCU FR 10 Hybrid System, Cruise Control, Shift Control System, Vehicle Proximity Notification System
28 INV W/PMP 10 Hybrid System, Cruise Control, Shift Control System, Vehicle Proximity Notification System
29 PCU BUB/PCU RR 10 Hybrid System, Cruise Control, Shift Control System, Vehicle Proximity Notification System
30 TOWING-B 20 Trailer Towing
31 S-HORN 10 Theft Deterrent
32
33 ETCS 10 Engine Control, Fuel Lid Opener
34 HORN 10 Horn, Back Door Opener, Entry & Start System, Immobiliser System, Starting, Steering Lock, Wireless Door Lock Control
35
36
37
38 D/C CUT 25 “ECU-DCC NO.2”, “ECU-DCC NO.1”, “RADIO” fuses
39 EFI-MAIN 20 Engine Control, Cooling Fan, Air Conditioner, Fuel Lid Opener
40
41 IG2-MAIN 25 “ECU-IG2 NO.1”, “INJ” fuses
42
43 BATT-S 5 Cruise Control, Hybrid System, Shift Control System, Vehicle Proximity Notification System
44 AMP 10 Audio System, Back Guide Monitor System, Navigation System
45
46 ABS NO.3 10 ABS, TRC, VSC
47 ABS NO.2 10 ABS, TRC, VSC
48 DC M/MAYDAY 10 Telematics System
49 P CON MTR 30 Hybrid System, Cruise Control, Shift Control System, Vehicle Proximity Notification System
50 H-LP RH 20 Headlight, Headlight Beam Level Control, Automatic Light Control, Illumination, Light Auto Turn Off System, Light Reminder, Taillight
51 H-LP LH 20 Headlight, Headlight Beam Level Control, Automatic Light Control, Illumination, Light Auto Turn Off System, Light Reminder, Taillight
52 DEF 50 Rear Window Defogger, Mirror Heater
53 PTC HTR NO.3 30 PTC Heater
54
55 HTR 40 Air Conditioner
56 PTC HTR NO.2 30 PTC Heater
57 ABS MTR NO.2 30 ABS, TRC, VSC
58
59 FAN NO.2 30 Cooling Fan
60 PTC HTR NO.1 50 PTC Heater
61 FAN NO.1 30 Cooling Fan
62 ABS-MAIN 30 ABS, TRC, VSC
63
64 IGCT-IG 40 Hybrid System, Cruise Control, Dynamic Radar Cruise Control, Shift Control System, Vehicle Proximity Notification System, “INV W/PMP”, “PCU FR”, “BATT FAN”, “PCU BUB/PCU RR”, “IGCT NO.2”, “PM-IGCT” fuses
65 ABS MTR NO.3 30 ABS, TRC, VSC
66 ABS MTR NO.1 30 ABS, TRC, VSC
67 J/B-B 50 IG2-NO.2 Relay, “D/L”, “ECU-B NO.1”, “ECU-B NO.2”, “HAZ”, “STOP”, “AM2” fuses
68
69
70
Relay
R1 (IGCT)
R2 (ENG W/PMP)
R3 Horn

Relay Box

Engine Compartment Relay Box: Toyota Prius (2016, 2017, 2018, 2019)

Engine Compartment Relay Box

Name Amp Circuit
1 MIR HTR 10 Mirror Heater, Rear Window Defogger
2 DRL 10 Headlight, Headlight Beam Level Control
Relay
R1 Rear Window Defogger (DEF)
R2 PTC Heater (PTC HTR NO.1)
R3 Fuel Pump (C/OPN)
R4 Cooling Fan (FAN NO.3)
R5 Cooling Fan (FAN NO.2)
R6 PTC Heater (PTC HTR NO.2)
R7 Cooling Fan (FAN NO.1)
R8
R9
R10 PTC Heater (PTC HTR NO.3)

Fusible Link Block

Name Amp Circuit
1 J/B-AM 60 ACC Relay, TAIL Relay, IG1-NO.2 Relay, IGl-NO.1 Relay, “POWER”, “P/SEAT”, “S/ROOF”, “DOOR R/R”, “DOOR R/L”, “DOOR”, “FOG RR”, “DOME”, “OBD”, “DOOR BACK” fuses
2 EPS 80 EPS
3 DC/DC 120 “J/B-AM”, “FOG FR”, “ENG W/PMP”, “”HTR”, “ABS MTR NO.2”, “FAN NO.1”, “FAN NO.2”, “FUEL OPN”, “P/OUTLET NO.2”, “PTC HTR NO.3”, “PTC HTR NO.2”, “PTC HTR NO.1”, “ABS-MAIN”, “DOOR DBL/L”, “WIPER”, “S/HTR-MAIN”, “TOWING-DC/DC”, “DEF” fuses
4 BATT-MAIN 140 “HORN”, “ETCS”, “TOWING-B”, “ABS MTR NO.1”, “S-HORN”, “P CON MTR”, “DCM/MAYDAY”, “ABS NO.2”, “ABS NO.3”, “BATT-S”, “ABS MTR NO.3”, “H-LP LH”, “AMP”, “H-LP RH”, “J/B-B”, “D/C CUT”, “IGCT-IG”, “EFI-MAIN”, “IG2-MAIN”, “DRL” fuses

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