2003-2009 Toyota Prius (XW20) Fuse Box Diagram

Engine Compartment

2003-2009 Toyota Prius (XW20) Fuse Box Diagram
  1. Fuse Box
  2. Headlight Control ECU LH (2003-2005)
  3. Headlight Control ECU RH (2003-2005)
  4. Relay Box

Engine Compartment Fuse Box


No.
Fuse
A
Circuit
1 SPARE 30 Spare
2 SPARE 15 Spare
3 DRL 7.5 Daytime running light system
4 H−LP LO RH 10 with halogen headlight: Right−hand headlight (low beam)
15 with discharged headlight: Right−hand headlight (low beam)
5 H-LP LO LH 10 with halogen headlight: Left−hand headlight (low beam)
15 with discharged headlight: Left−hand headlight (low beam)
6 H−LP HI RH 10 Right−hand headlight (high beam)
7 H−LP HI LH 10 Left−hand headlight (high beam)
8 EFI 15 Multiport fuel injection system/sequential multiport fuel injection system
9 AM2 15 "IGN” fuse, ignition system
10 HORN 10 Horn
11 HEV 20 Hybrid system
12 P CON MAIN 7.5 Parking control system, hybrid vehicle immobilizer system
13 P CON MTR 30 2003-2004: Parking control system
ABS−1 25 2003-2009: Anti−lock brake system
14 ETCS 10 Electronic throttle control system
15 BATT FAN 10 Battery cooling fan
16 HAZ 10 Turn signal lights, emergency flasher
17 DOME 15 Audio system, interior lights, smart entry and start system, gauge and meter, turn signal lights, luggage room light, clock
18 ABS MAIN3 15 Anti−lock brake system
19 ABS MAIN2 10 Anti−lock brake system
20 ABS MAIN1 10 Anti−lock brake system
21 FR FOG 15 Fog lights
22 CHS W/P 10 CHS W/P
23 AMP 30 Audio system
24 PTC HTR2 30 PTC heater
25 PTC HTR1 30 PTC heater
26 CDS FAN 30 Electric cooling fan
27 - -  -
28 - -  -
29 P/I 60 "AM2", "HEV", "EFI", "HORN" fuses
30 HEAD MAIN 40 Headlight relay
31 - -  -
32 ABS-1 30 ABS MTR relay
33 ABS-2 30 Anti−lock brake system
34 - -  -
35 DC/DC 100 PWR relay, T-LP relay, IG1 relay, "ACC-B", "ESP", "HTR", "RDI", "PS HTR", "PWR OUTLET FR", "ECU-B", "OBD", "STOP", "DOOR", "FR DOOR", "DEF", "AM1" fuses
36 - -  -
37 - -  -
38 PS HTR 50 Air conditioner
39 RDI 30 Engine control, radiator fan and condenser fan, TOYOTA hybrid system
40 HTR 40 Air conditioner, TOYOTA hybrid system
41 ESP 50 ESP
42 - -  -
Relay
R1 Anti−lock brake system (ABS No.2)
R2 Anti−lock brake system (ABS MTR 2)
R3 Headlight (H-LP)
R4 Dimmer
R5 Parking control system (P CON MTR)
R6 Electric cooling fan (FAN No.3)
R7 Electric cooling fan (FAN No.2)
R8 Anti−lock brake system (ABS MTR)
R9 Anti−lock brake system (ABS No.1)

Engine Compartment Relay Box

No.
Relay
R1 PS HTR
R2 Fog light
R3 PTC heater (PTC HTR1)
R4 PTC heater (PTC HTR2)
R5 Daytime running light system (DRL No.4)
R6 CHS W/P
R7  -

Passenger Compartment

  1. Navigation ECU
  2. Skid Control ECU
  3. Fuse Box
  4. ACC Relay
  5. Body ECU
  6. Mirror Heater Relay
  7. Power Outlet Relay
  8. Daytime Running Light Relay
  9. Power Source Control ECU
  10. Smart Key ECU
  11. Center Connector No.1
  12. Tire Pressure Warning ECU
  13. Power Steering ECU
  14. Gateway ECU
  15. Transponder Key Computer
  16. Hybrid Vehicle Control ECU
  17. Engine Control Module
  18. Center Connector No.2
  19. Headlight Beam Level Control ECU
  20. Transmission Control ECU
  21. Stereo Component Amplifier
  22. A/C Control Assembly
  23. Airbag Sensor Assembly

Passenger Compartment Fuse Box


No.
Fuse
A
Circuit
1 - -  -
2 M/HTR 15 Outside rear view mirror heater
3 WIP 30 Windshield wiper
4 RR WIP 15 Rear wiper
5 WSH 20 Washer
6 ECU-IG 7.5 Smart key system, power windows, touch screen, electric power steering, theft deterrent system
7 GAUGE 10 Gauge and meter, backup lights, emergency flasher, power windows
8 OBD 7.5 On-board diagnosis system
9 STOP 7.5 Stop lights
10 - -  -
11 DOOR 25 Power door lock system
12 ACC−B 25 "POWER OUTLET”, "ACC” fuses
13 ECU−B 15 Multi−information display, power windows, air conditioning system
14 - -  -
15 AM1 7.5 Hybrid system
16 TAIL 10 Tail lights, license plates light, parking lights
17 PANEL 7.5 Multi−information display, clock, audio system, instrument panel lights
18 A/C (HTR) 10 Air conditioning system
19 FR DOOR 20 Power windows
20 - -  -
21 - -  -
22 - -  -
23 PWR OUTLET 15 Power outlet
24 ACC 7.5 Audio system, multi−information display, clock
25 - -  -
26 - -  -
27 - -  -
28 - -  -
29 PWR OUTLET FR 15 Power outlet
30 IGN 7.5 Hybrid system, hybrid vehicle immobilizer system, SRS airbags
31 - -  -
No.
Fuse
A
Circuit
1 PWR 30 Power windows
2 DEF 40 Rear window defogger
3 - -  -
Relay
R1 Ignition (IG1)
R2 Heater (HTR)
R3 Flasher
  1. Occupant Classification ECU
  2. Overhead J/B
  3. Door Control Receiver
  4. Rear Wiper Relay
  5. Battery Fan Relay
  6. Tire Pressure Warning Antenna and Receiver
  7. Fusible Link Block
  8. Battery ECU
  9. System Main Relay

Fusible Link Block

No.
Fuse
A
Circuit
1 DC/DS-S 5 Inverter and converter
2 MAIN 120 Hybrid system

Fuse Box Layout Hybrid Toyota Prius (XW20; 2003, 2004, 2005, 2006, 2007, 2008, 2009)