Fuses and relays Ford Focus 3, 2011 - 2018

The 3rd generation Ford Focus was produced in 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018 with sedan, hatchback, station wagon bodies and was supplied to the markets of more than 122 countries. This model was restyled in 2014. In our material, we will show where the 3rd generation Ford Focus fuse and relay blocks are located , their description with block diagrams and photographs. Separately, we will highlight the fuse responsible for the cigarette lighter. We will also show the general location of all electronic control units.

The purpose of the fuses may differ from the one presented and depends on the year of manufacture, the level of equipment and the country of delivery of Ford Focus 3.

General arrangement

Location of all electronic control units.

1 ABS electronic control unit
2 Air conditioner electronic control unit
3 Anti-theft alarm horn - on the right side of the luggage compartment
4 Audio interface control unit
5 Accumulator battery
6 Diagnostic connector (DLC)
7 DC / DC converter control unit
8 Driver's door control unit
9 Rear left door electrical control unit
10 Passenger door electronics control unit
11 Rear right door electrical control unit
12 Electronic engine control unit (ECM) - behind the left wheel arch trim
13 Cooling fan motor control unit
14 Radiator flap control unit
15 Fuse / relay box, engine compartment 1
16 Fuse / relay box, engine compartment 2
17 Fuse / relay box, instrument panel
18 Fuse / Relay Box, Luggage Compartment - Left Side of Luggage Compartment
19 Glow plug control unit - behind the left wheel arch trim
20 Headlamp control unit
21 Heater blower motor resistor - next to blower motor
22 Horn 1
23 Horn 2
24 Ignition switch control unit
25 Instrument Cluster Interface Control Unit
26 Instrument cluster control unit
27 Remote control unit for central locking and engine start
28 Lane tracking system control unit

Ford Focus 3 has 3 main box with fuses and relays: in the cabin, under the hood and in the luggage compartment.

In the passenger compartment

It is located under the dashboard, on the passenger side, behind the glove compartment, and is covered with trim.

Photo - example.

56 20A Fuel pump
57 Reserve
58 Reserve
59 5A Transceiver passive anti-theft system
60 10A Interior lighting, driver's door control unit, glove box lighting, background lighting, overhead control unit, sunroof
61 20A Cigarette lighter, rear socket
62 5A Rain sensor, humidity sensor, auto-dimming interior mirror
63 10A Europe: Adaptive cruise control system
64 Reserve
65 10A Electric tailgate latch release
66 20A Driver's door lock, double lock
67 7.5A Infotainment Display, SYNC Module, GPS Module, Compass, BVC
68 15A Electric steering column lock
69 5A Instrument cluster
70 20A Central locking
71 7.5 / 10A Air conditioning system, Heater control unit (mechanical air conditioner), dual-zone climate control
72 7.5A Steering wheel module
73 5 / 7.5A Diagnostic connector, battery of the anti-theft alarm siren
74 15A High beam headlights
75 15A Front fog light
76 10A Reversing lamps
77 20A Windshield washer, rear window washer
78 5A Ignition switch, start button, keyless entry / start system
79 15A Hazard switch, audio system, navigation, DVD player, door lock switch
80 20A Sunroof, sun blind
81 5A Interior control sensor, radio frequency radio receiver
82 20A Glass washer pump
83 20A Central locking
84 20A Unlock driver's door, double lock
85 7.5A Radio, navigation, passenger airbag deployment switch, seat heating switch, parking heater, heater control unit (mechanical air conditioner), auxiliary heater, sunroof, air quality sensor, temperature and humidity sensor in the car, voltage quality control, front camera
86 10A Airbag and seatbelt control module, passenger presence recognition system, passenger airbag indicator, air conditioning system (mechanical air conditioning)
87 15A Heated steering wheel
88 25A Voltage quality module
89 -
The fuse number 61, 20A, is responsible for the cigarette lighter.

In the engine compartment

Fuse box

Located on the left side of the engine compartment and is covered by a protective cover, on the back of which the current block diagram will be applied.

7 40A ABS, ESP
8 30A ESP
9 30A Heated rear window 40A Luggage compartment fuse box
10 40A Heater motor
11 30A Voltage quality module, Start-stop system
12 30A Relay engine control valve EGR valve
13 30A Starter relay
14 40A Heated windshield (right side) 25A Rear power window
15 25A Cooling fan, Transmission control unit
16 40A Heated windshield (left side) 20A Battery sensor
17 20A Auxiliary heater
18 20A Windshield wiper
19 5A ABS, ESP
20 15A Sound signal
21 5A Brake light switch
22 15A Battery Monitoring System 5A Parking Assistant
23 5A Coil relay, light switch
24 20A Rear outlet 5A Heated windshield (right side)
25 10A Power mirrors
26 15/20 / 25A Transmission control unit
27 15A Air conditioning compressor clutch
28 5A MAF sensor, Rear camera, Adaptive cruise control 10A Rear view camera, collision warning system
29 20A Headlight washers 10A Rear view camera, collision warning system
30 5A Engine control unit
31 15A Intercooler Fan (1.6L Duratorq TDCi)
32 10A Exhaust Gas Recirculation Valve, Swirl Control Valves, Heated Exhaust Gas Oxygen Sensor (Engine Control Systems), Fan ECM Relay (Coil)
33 10A Ignition coils
34 10A Injectors, coolant pump, adsorber purge valve
35 5 / 15A Active radiator shutters, Fuel filter heating (diesel engines), Water in fuel sensor, ECU, ignition coils
36 10A Engine control unit 5A Active radiator shutters
37 5A ABS 15A Daytime running lights, headlamp control unit 20A Additional socket on the instrument panel
38 15A Engine control unit, transmission control unit
39 5A Headlamp control unit 15A Power driver's seat
40 5A Power steering
41 20A Body electronics unit
42 15A Rear wiper
43 15A Headlight range control, adaptive lighting
44 5A Adaptive cruise control
45 10A Heated washer jets 15A Electric passenger seat
46 25A Front power windows or Cooling fan
47 7,5A Heated mirrors
48 15A Diesel flue gas filter evaporator 5A Electric mirrors
For additional sockets, fuses 24 and 37 at 20A can also be responsible.
R1 Intercooler fan
R2 Sound signal
R3 Diesel flue gas filter evaporator or 14-18: Heated windscreen
R4 Reserve
R5 Rear wiper
R6 Cooling fan
R7 Heated windshield
R8 Cooling fan
R9 Headlight washers
R10 Cooling fan, Starter
R11 Air conditioning compressor clutch
R12 Cooling fan
R13 Heater motor
R14 The engine control unit
R15 Starter, Heated rear window
R16 Ignition

Power fuse panel

Located in the battery cover.

F1 (80A) Power steering control unit
F2 (150A) Starter
F3 (100A)
F4 (50A) Multifunction control module
F5 (80A) Additional heater
F6 (70A)
F7 -
F8 (50A) Cooling fan motor control unit
F9 (50A) Multifunction control module
F10 (60A) Glow plug control unit

In the luggage compartment

Located behind the casing or protective cover.

Photo - example.

1 5A Coil relay
2 10A Vehicle Keyless System Module
3 5A Door handles in vehicles with keyless entry system
4 25A Door module (front left) (power window, central locking, electric folding mirrors, heated mirrors)
5 25A Door module (front right) (power window, central locking, electric folding mirrors, heated mirrors)
6 25A Door module (rear left) (power window)
7 25A Door module (rear right) (power window)
8 10A Europe: Anti-theft alarm siren
9 25A Driver's seat with electric drive
10 Power windows, '14 -'18: Audio amplifier
11 5A Vehicle Keyless System Module, 25A Power Passenger Seat
12 10A Air conditioning system module (with start and stop module)
13 5A Instrument cluster (with start and stop module)
14 7.5A Display of the infotainment system, GPS module (with start and stop module)
15 15A Audio system (with start and stop module)
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 25A Audio amplifier
24 30A Heated rear window
25 20A Socket in the luggage compartment
26 40A Trailer module
27 -
28 40A Trailer module
29 5A Monitoring system for unvisited zones, monitoring system for observing road markings, Active City Stop system, rear view camera
30 5A Parking aid module
31 -
32 -
33 15A Rear wiper relay
34 15A Heated driver's seat
35 15A Heated passenger seat
36 -
37 5A Sunroof
38 -
39 -
40 -
41 5A Sliding towing device
42 -
43 -
44 10A Power mirrors
45 7,5A Heated mirrors
46 5A Monitoring system for unvisited zones, monitoring system for compliance with road markings, rear view camera (with engine start / stop system)
R1 Egnition lock
R2 Heated rear window
R3 Rear wiper
R4 -
R5 Anti-theft alarm siren
R6 Auxiliary relay
Related fuse diagrams
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