Fuses and relays Toyota RAV4 (XA40; 2012-2019)

Most electrical circuits in the vehicle are protected by fuses. Powerful current consumers are connected via relays. Fuses and relays are installed in mounting blocks located in the passenger compartment and in the engine compartment.


The information is suitable for Toyota RAV4 (XA40) 4 generation models 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 model year.

In the engine compartment


Component arrangement
: 1. Fuse box; 2. Engine control unit; 3. Glow plug control unit; 4. Generator control unit; 5. From October 2015: Fan control unit; 6. Relay for headlight cleaners; 7. Transmission control unit; 8. Relay box; 9. Injector control unit; 10. Controller for stepless valve lift; 11. Brake actuator; 12. Glow plug relay; 13.October 2015: Fuel heater relay

Main Fuse Box


The main unit is located near the battery.

Type 1


General view.

Diagram
No. Description A
1 2AR-FE: Multiport fuel injection system / sequential multiport fuel injection system, fuses: "EFI NO.1", "EFI NO.2" 20
3ZR-FE, 3ZR-FAE: Multiport fuel injection system / sequential multiport fuel injection system, "EFI NO.1", "EFI NO.2" fuses 25
Diesel: Multiport fuel injection system / sequential multiport fuel injection system, transmission control unit, fuse: "EFI NO.3" 30
2 Trailer connector 30
3 Steering lock 10
4 Air Conditioning, Instrument Cluster, Smart Entry and Start System, Roof Module 10
5 Instrument cluster 10
6
  • 2AR-FE: Air flow sensor, fuel pump, rear oxygen sensor
  • Diesel: fuses: "EFI NO.1", "EFI NO.2"
20
3ZR-FE, 3ZR-FAE: Multiport fuel injection system / sequential multiport fuel injection system 15
From October 2015: 2WW: Multiport fuel injection system / sequential multiport fuel injection system 7.5
7 Before Oct 2015: Launch System 20
From Oct 2015: Trunk door, instrument cluster, double locking, smart entry and start system, fog light, wiper and washer, headlamps, immobilizer, interior lighting, power windows, rear fog light, seat belt indicator, airbags, starting system, blocking steering wheel, anti-theft system, tire pressure monitoring system, wireless control system 30
8 Launch system 30
9 Audio system 30
10 Multiport fuel injection system / sequential multiport fuel injection system 10
From October 2015: 2WW: fuel pump 30
11 Before October 2015: Anti-theft system 10
From October 2015 (without telematics system): Start-stop system 30
From October 2015 : Telematics system 7.5
12 Multiport fuel injection system / sequential multiport fuel injection system, "METER", "IGN", "A / B" fuses 15
13 Starting system, fuse: "IG2" 7.5
14 Amp sensor, generator 7.5
15 Horn 10
16 Diesel: Multiport fuel injection system / sequential multiport fuel injection system 25
From Oct 2015: 3ZR-FAE: Launch System 20
From October 2015: Anti-theft system 10
17 Fuses: "DOME", "ECU-B NO.1", "RADIO" 30
18 Wiper switch, current sensor, multiport fuel injection system / sequential multiport fuel injection system 5
19
  • 3ZR-FE: Air flow sensor, VSV, ACIS VSV, rear oxygen sensor, multiport fuel injection system / sequential multiport fuel injection system
  • 3ZR-FAE: Multiport fuel injection system / sequential multiport fuel injection system
  • 2AR-FE: Air flow sensor, VSV, ACIS VSV1AD-FTV: Air flow sensor, oil valve, EDU, ADD FUEL VLV, EGR, start-stop system, glow plugs
  • 2AD-FTV, 2AD-FHV: EDU, ADD FUEL VLV, EGR, air flow sensor, VNT E-VRV
10
From October 2015: 2WW: Multiport fuel injection system / sequential multiport fuel injection system 7.5
20
  • 3ZR-FAE: Air flow sensor, VSV, ACIS VSV, rear oxygen sensor, start-stop system
  • 2AR-FE: Multiport fuel injection system / sequential multiport fuel injection system
  • 3ZR-FE, 2AD-FTV, 2AD-FHV: Air flow sensor
10
From October 2015: 2WW: Multiport fuel injection system / sequential multiport fuel injection system 15
21 High beam left, high beam indicator 10
22 High beam right 10
23 Multiport fuel injection system / sequential multiport fuel injection system, transmission control unit 7.5
From October 2015: 2WW: Multiport fuel injection system / sequential multiport fuel injection system 20
24 Empty -
25 -
26 Audio system 20
27 Body ECU, Wireless Control System, Steering Position Sensor, Central Locking, Clock, Power Tailgate, Tire Pressure Monitoring System 10
28 Interior lamps, luggage compartment lamps, personal lamps 10
29
  • Before Oct 2015: Halogen bulbs: Low beam left, headlight range control
  • From October 2015: Low beam left, headlight range control
10
Before Oct 2015: HID: Left low beam, headlamps range control unit 15
30 Before October 2015: Halogen bulbs: Low beam right From October 2015: Low beam right 10
Before Oct 2015: HID: Low Beam - Right Side 15
31 Empty -
32 Empty -
33 Empty -
34 Empty -
35 From October 2015: 2WW: Fuel heating 50
36 Start-stop system 40
37 VALVEMATIC system 30
From October 2015: 2WW: ABS, cruise control, hill descent assist, hill start assist, start-stop system, panoramic view system, dynamic cruise control radar, TRC, VSC 50
38 VSC, ABS 30
39 50
40 Fuses: "H-LP RH-LO", "H-LP LH-LO", "H-LP RH-HI", "H-LP LH-HI" 50
41 Glow plugs 80
42 Electric power steering 80
43 Before October 2015: Petrol: "STOP", "S / ROOF", "AM1", "OBD", "D / L NO.2", "FOG RR", "D / L BACK", "P / OUTLET NO .1 "," DOOR D "," DOOR R / R "," DOOR R / L "," WIP RR "," WSH "," GAUGE "," WIP FR "," SFT LOCK-ACC "," P / OUTLET NO.2 "," ACC "," PANEL "," TAIL "," D / L NO.2 "," EPS-IG "," ECU-IG NO.1 "," ECU-IG NO.2 "," HTR-IG "," S-HTR LH "," S-HTR RH "," IGN "," A / B "," METER "," ECU-IG NO.3 " 120
  • Before October 2015: Diesel, (3ZR-FAE from April 2015): ↓
  • From October 2015: Except 2WW: Fuses: "ABS NO.1", "ABS NO.2", "RDI FAN", "FAN NO.1", "S / HTR R / L", "DEICER", "FOG FR "," S / HTR R / R "," CDS FAN "," FAN NO.2 "," HTR "," STV HTR "," TOWING-ALT "," HWD NO.1 "," HWD NO. 2 "," H-LP CLN "," DRL "," PTC HTR NO.1 "," PTC HTR NO.2 "," PTC HTR NO.3 "," DEF "," NOISE FILTER "," STOP " , "S / ROOF", "AM1", "OBD", "D / L NO.2", "FOG RR", "D / L BACK", "P / OUTLET NO.1", "DOOR D", "DOOR R / R", "DOOR R / L", "WIP RR", "WSH", "GAUGE", "WIP FR", "SFT LOCK-ACC", "P / OUTLET NO.2 "," ACC "," PANEL "," TAIL "," D / L NO.2 "," EPS-IG "," ECU-IG NO.1 "," ECU-IG NO. 2 "," HTR-IG "," S-HTR LH "," S-HTR RH "," IGN "," A / B "," METER "," ECU-IG NO.3 "
140
Relay
R1 Engine control unit (EFI-MAIN NO.2)  
R2 Ignition (IG2)  
R3
  • Diesel: Engine Control Unit (EDU)
  • Gasoline: Fuel pump (C / OPN)
  • 2WW: Fuel pump (FUEL PMP)
 
R4
  • Before Oct 2015: Headlamps (H-LP)
  • From October 2015: Dimmer
 
R5 engine control module  
R6
  • Before Oct 2015: Dimmer
  • From Oct 2015: Except 2AR-FE: Headlamps (H-LP)
  • 2AR-FE: Headlamps / Daytime Running Lights (H-LP / DRL)
 
Type 2

Diagram.

No. Protected chain A
1 Audio system 20
2 Body ECU, Wireless Control System, Steering Position Sensor, Clock, Power Tailgate, Tire Pressure Monitoring System, Driver Position Memory 10
3 Interior lamps, personal lamps, luggage compartment lamps, individual mirror lamp 10
4 Empty -
5 Heating of the rest zone of the brushes 20
6 Empty -
7 Fog lamps, fog lamps indicator 7.5
8 Audio system 30
9 Launch system 30
10 Multiport fuel injection system / sequential multiport fuel injection system, fuses: "EFI NO.1", "EFI NO.2" 20
11 Empty -
12 Multiport fuel injection system / sequential multiport fuel injection system, "METER", "IGN", "A / B" fuses 15
13 Instrument cluster 10
14 Starting system, fuse: "IG2" 7.5
15 Air conditioning, instrument cluster, front passenger classification system, intelligent entry and start system 10
16 Steering lock 10
17 Fuses: "DOME", "ECU-B NO.1", "RADIO" 30
18 Sound signal (horn) 10
19 Multiport fuel injection system / sequential multiport fuel injection system 10
20 Air flow sensor, fuel pump, rear oxygen sensor 20
21 Current sensor 7.5
22 Heated mirrors, multiport fuel injection system / sequential multiport fuel injection system 10
23 Air flow sensor, VSV, ACIS VSV 10
24 Multiport fuel injection system / sequential multiport fuel injection system 10
25 High beam left, high beam indicator 10
26 High beam right 10
27 Empty -
28 Low beam left 10
29 Low beam right 10
30 Cooling fan 30
31 Air conditioning 50
32 Daytime running lamps, fuses: "H-LP RH-LO", "H-LP LH-LO", "H-LP RH-HI", "H-LP LH-HI" 50
33 Auxiliary heater 30
34 Auxiliary heater 30
35 Heated rear window, fuse: "MIR HTR" 30
36 VSC 30
37 Cooling fan 30
38 VSC 50
39 Electric power steering 80
40 Fuses: "ABS NO.1", "ABS NO.2", "PTC HTR NO.1", "PTC HTR NO.2", "DEICER", "HTR", "RDI FAN", "CDS FAN", "FOG FR", "DEF" 120
41 Wiper switch, rain sensor 5
42 Spare fuse 10
43 20
44 30
Relay
R1 Engine control unit (EFI-MAIN NO.2)
R2 Ignition (IG2)
R3 Fuel pump (C / OPN)
R4 Jumper
R5 Headlamps (H-LP)
R6 Engine control unit (EFI-MAIN NO.1)
R7 Heated rear window (DEF)
M1 Daytime running lamps module

Additional fuse box


An additional block is located on the left side of the engine compartment, near the washer reservoir. It also has several options.

Type 1

Diagram.

No. Appointment
R1 Front fog lamps
R2 A / C Compressor Clutch
R3 Auxiliary heater
R4 Empty
R5 Horn
R6 Cooling fan
R7 Auxiliary heater
R8 Cooling fan
R9 Starter
R10 Cooling fan
Type 2

Diagram.

No. Description A
1 Daytime Running Lamps 5
2 Trailer connector 30
3 Fog lamps, fog lamps indicator 7.5
4 Interference filter 10
5 Auxiliary heater 25
6 From October 2015: Heated rear seat 10
7 Heating of the rest zone of the brushes 20
From October 2015: Heated rear seat 10
8 From October 2015: Diesel: Cooling fan
9 Empty -
10 From October 2015: Diesel: Cooling fan 5
11 Empty -
12 Empty -
13 Heated mirrors, multiport fuel injection system / sequential multiport fuel injection system 10
14 Empty -
15 Empty -
16 Empty -
17 600W, 840W: Auxiliary heater 50
330W: Auxiliary heater 30
18 840W: Auxiliary heater 50
330W: Auxiliary heater 30
19 40W: Auxiliary heater 50
330W: Auxiliary heater 30
20 Cooling fan 30
From October 2015: 2WW: Cooling fan 40
From Oct 2015: Trailer + Diesel: Cooling Fan 50
21 Cooling fan 30
From October 2015: 2WW: Cooling fan 40
From Oct 2015: Trailer + Diesel: Cooling Fan 50
22 Air conditioning 50
23 Heated rear window, fuse: "MIR HTR" 30
24 Heated windshield 50
25 Headlamps washers 30
26 Heated windshield 50
Relay
R1 Cooling fan
R2 Front fog light
R3 Sound signal
R4 Heater
R5 Daytime Running Lamps
R6 Cooling fan
R7 Cooling fan
R8 Heated rear window
R9 Auxiliary heater
R10 Auxiliary heater
Heated windshield
R11 Auxiliary heater
Heated windshield
R12 Brake lamps
R13 Starter
R14 Heating of the rest zone of the brushes
Heated steering wheel
Heated brush rest zone / heated steering wheel (DEICER / STRG HTR)
A  
R15 From October 2015: Trailer + Diesel: Cooling fan (FAN NO.1), Heated rear seat (S / HTR R / L)
R16 From October 2015: Heated rear seat
B  
R17 From October 2015: Trailer + Diesel: Cooling fan (FAN NO.2), Heated glass washer nozzles (WSH NZL HTR)
R18 Starter
C  
R19 330W: Auxiliary heater
600W: Auxiliary heater
R20 Auxiliary heater

In the passenger compartment

LHD

RHD

Location of components
: 1. Left hand drive: Interior lighting relay (DOME CUT); 2. Control unit for headlight range control; 3 . Fuse Box / Body ECU; 4. Steering wheel lock actuator; 5. Power steering control unit; 6. Relay box; 7. Navigation control unit; 8. Four-wheel drive control unit; 9. Parktronic control unit (Clearance Warning); 10. Control unit for driver assistance systems; 11. Block of a network gateway; 12. Wiper relay; 13. Control unit for start-stop system; 14. The control unit of the gear selector; 15. Airbag control unit; 16. Distribution connector; 17. Air conditioner amplifier; 18. Distribution connector; 19.Right Drive: Double Door Lock Relay

Main Fuse Box


General view.

Diagram
No. Decoding A
1 Empty -
2 Brake light 7.5
3 Moonroof 10
4 Fuses: "IG1 NO.1", "IG1 NO.2", "IG1 NO.3", "ACC" 5
5 Diagnostic connector 7.5
6 Before Oct 2015: Central locking, body ECM 20
7 Rear fog lamps 7.5
8 Central locking (tailgate) 10
9 Power Outlet (cigarette lighter fuse Rav4) 15
10 Driver's side window lifter 20
11 Rear right power window 20
12 Rear left power window 20
13 Rear wiper 15
14 Front glass washer, rear glass washer 15
15 Reversing lamps, auto-dimming interior mirror, Blind Spot Monitor 7.5
16 Wiper 25
17 Gear selector lock 5
18 Power Outlet 15
19 Power Outlet, audio system, power mirrors, body ECU, clock, current sensor 7.5
20 VSC OFF switch, instrument cluster, BSM switch, 4WD switch, brush rest heating switch, multiport fuel injection system / sequential multiport fuel injection system, park assist systems, heated seat switches, sockets, tailgate switch, air conditioning control unit , rear window heating switch, audio system, steering wheel buttons, cup holder lamps 7.5
21 Side lamps, license plate lamps, fog lamps 10
22 From October 2015: Central locking, body ECU 20
23 Power steering 5
24 Four-wheel drive (Dynamic Torque Control), steering position sensor, instrument cluster, gear selector 10
25 Body ECM, Wireless Control System, Gear Selector Lock, Smart Entry and Start System, Sunroof, Audio System, Tailgate Actuator, Tire Pressure Monitoring System, Blind Spot Monitor, Lane Keeping Assist ( LDA) 5
26 Air conditioning, heated rear window 7.5
27 Before Oct 2015: Heated left seat 10
From October 2015: Heated seat, left 10
28 Before Oct 2015: Heated seat, right 10
From October 2015: Heated seat, right 10
29 Fuel pump, multiport fuel injection system / sequential multiport fuel injection system, brake lamps, steering lock 7.5
30 Airbags, front passenger classification system 7.5
31 Instrument cluster 5
32 Alternator, ABS / VSC, brush rest zone heating, brake lamps, fuses: "FAN NO.1", "FAN NO.2", "FAN NO.3", "HTR", "PTC", "DEF" , "DEICER" 7.5
1 Power left seat 30
2 Electric tailgate 30
3 Power seat right 30
4 Front power windows, power window control unit 30

Relay box

No. 6 in the picture.

Diagram
No. Description
R1
  • Left hand drive: Anti-theft system
  • Right hand drive: Interior lamps
R2 Rear fog lamps

Car Body


Location of components: 1. Sunroof control unit; 2. Receiver for central locking and tire pressure monitoring system; 3. Control unit for tire pressure monitoring system; 4. Receiver for central locking; 5. Phone transceiver; 6. Parking aid control unit; 7. Right sensor of the blind spot monitoring system; 8. Door control unit; 9. Left sensor of the blind spot monitoring system; 10. Fuel pump control unit; 11. Distribution connector; 12. Audio amplifier

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Comments
Steven G Montgomery

Excellent article and diagrams covering 2016 Rav4. Able to check and change fuses instead of BCU.Thank you

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