Diagnosing issues with your 2007 Ford Fusion often starts with connecting an OBD2 scanner to the diagnostic port. If you’re experiencing problems connecting or powering up your scanner, a blown fuse might be the culprit. Locating the correct fuse is crucial for a quick diagnosis and repair. This guide will help you pinpoint the 2007 Ford Fusion Obd2 Fuse Location and understand the fuse box diagrams for your vehicle.
Your 2007 Ford Fusion actually has two fuse box locations: the passenger compartment fuse panel and the power distribution box under the hood. Knowing where each is and which one houses the OBD2 fuse is the first step to resolving your diagnostic issues.
Understanding Your 2007 Ford Fusion Fuse Boxes
For the 2007 Ford Fusion, the fuse boxes are strategically placed for easy access. The passenger compartment fuse panel is your primary focus for interior electrical components and diagnostics, while the power distribution box handles higher amperage systems.
Passenger Compartment Fuse Panel
The passenger compartment fuse panel in your Ford Fusion is located inside the vehicle.
2007 Ford Fusion passenger compartment fuse panel diagram with OBD2 fuse location highlighted
This panel is usually found beneath the dashboard on the driver’s side. Consulting the diagram is essential to identify the specific fuse related to your OBD2 port, which is also known as the diagnostic connector. Let’s examine the fuse listing for this panel:
| Type | No. | Description |
|---|---|---|
| Fuse MINI 10A | 1 | Backup lamps, Electrochromatic mirror |
| Fuse MINI 20A | 2 | Horns |
| Fuse MINI 15A | 3 | Battery saver: Interior lamps, Puddle lamps, Trunk lamp, Power windows |
| Fuse MINI 15A | 4 | Parklamps, Side markers, License plate lamps |
| Fuse MINI 30A | 8 | Rear window defroster |
| Fuse MINI 10A | 9 | Heated mirrors |
| Fuse MINI 30A | 10 | Starter coil, PCM |
| Fuse MINI 15A | 11 | High beams |
| Fuse MINI 7.5A | 12 | Delay accessories: Radio head units, Moonroof, Lock switch illumination, Electrochromatic mirrors |
| Fuse MINI 7.5A | 13 | Cluster, KAM-PCM, Analog clock, Climate control head units, Canister vent solenoid |
| Fuse MINI 15A | 14 | Washer pump |
| Fuse MINI 20A | 15 | Cigar lighter |
| Fuse MINI 15A | 16 | Door lock actuator, Decklid lock solenoid |
| Fuse MINI 20A | 17 | Subwoofer |
| Fuse MINI 20A | 18 | Radio head units, OBDII connector |
| Fuse MINI 7.5A | 20 | Power mirrors |
| Fuse MINI 7.5A | 21 | Stop lamps |
| Fuse MINI 7.5A | 22 | Audio |
| Fuse MINI 7.5A | 23 | Wiper relay coil, Cluster logic |
| Fuse MINI 7.5A | 24 | OCS (Passenger’s seat), PAD indicator |
| Fuse MINI 7.5A | 25 | RCM |
| Fuse MINI 7.5A | 26 | PATS Transceiver, Brake shift interlock solenoid, Brake pedal switch |
| Fuse MINI 7.5A | 27 | Cluster, Climate control head units |
| Fuse MINI 10A | 28 | ABS/Traction Control, Heated seats, Compass |
| Circuit breaker MAXI | C/B | Power windows, Delayed accessory (SJB fuse12) |
Power Distribution Box
The second fuse box, the power distribution box, is located in the engine compartment of your 2007 Ford Fusion.
2007 Ford Fusion power distribution box diagram for engine systems
This box contains fuses and relays for high-power systems throughout your vehicle. While the OBD2 fuse is in the passenger compartment, understanding this box is helpful for overall vehicle electrical maintenance. Here’s the fuse listing for the power distribution box:
| Type | No. | Description |
|---|---|---|
| Fuse FLF/PAL 293 60A | 1 | SJB power feed (fuses 12, 13, 14, 15, 16, 17, 18, C/B) |
| Fuse FMX/JCase 40A | 2 | Powertrain power |
| Fuse FMX/JCase 40A | 4 | Blower motor |
| Fuse FMX/JCase 40A | 6 | Rear window defroster, Heated mirrors |
| Fuse FMX/JCase 40A | 7 | PETA Pump (PZEV engine only) |
| Fuse FMX/JCase 20A | 9 | Wipers |
| Fuse FMX/JCase 20A | 10 | ABS Valves |
| Fuse FMX/JCase 20A | 11 | Heated seats |
| Fuse MINI 15A | 14 | Ignition switch |
| Fuse MINI 15A | 16 | Transmission |
| Fuse MINI 20A | 17 | Console power point |
| Fuse MINI 10A | 18 | Alternator sense |
| Fuse FMX/JCase 40A | 19 | Logic feed to SJB (solid state devices) |
| Fuse FMX/JCase 60A | 23 | SJB power feed (fuses 1, 2, 4, 10, 11) |
| Fuse MINI 15A | 24 | Fog lamps |
| Fuse MINI 10A | 25 | A/C Compressor clutch |
| Fuse FLF/PAL 293 60A | 29 | Engine cooling fan |
| Fuse FMX/JCase 30A | 30 | Fuel pump relay feed |
| Fuse FMX/JCase 30A | 32 | Driver power seat |
| Fuse FMX/JCase 20A | 33 | Moonroof |
| Fuse FMX/JCase 40A | 36 | ABS Pump |
| Fuse MINI 15A | 42 | PCM non-emission related |
| Fuse MINI 15A | 43 | Coil on plug |
| Fuse MINI 15A | 44 | PCM emission related |
| Fuse MINI 5A | 45 | PETA Pump feedback (PZEV engine only) |
| Fuse MINI 15A | 46 | Injectors |
| Relay | 47 | Fog lamps |
| Relay | 50 | Wiper Park |
| Relay | 51 | A/C Clutch |
| Relay | 53 | Wiper RUN |
| Relay | 54 | Transmission (I4 engine only) |
| Relay | 55 | Fuel pump |
| Relay | 56 | Blower motor |
| Relay | 57 | PCM |
| Relay | 58 | PETA Pump (PZEV engine only) |
| Diode MINI | 60 | Fuel pump |
| Circuit breaker MAXI | 62 | Spare |
Locating the OBD2 Fuse in the Passenger Compartment Fuse Box
To specifically find the OBD2 fuse location, refer to the passenger compartment fuse panel diagram and table above. Fuse number 18, a 20A MINI fuse, is designated for the OBDII connector and Radio head units.
Therefore, if you are having trouble with your OBD2 scanner not powering on when connected to your 2007 Ford Fusion, check fuse number 18 in the passenger compartment fuse box first. A blown fuse here is a common reason for a non-functional OBD2 port.
Importance of Checking Fuses for OBD2 Issues
Before assuming a serious problem with your OBD2 system or scanner, always inspect the fuses. Fuses are designed to protect your vehicle’s electrical system from overloads, and they are the easiest and cheapest component to replace.
- Quick Diagnosis: Checking a fuse is a fast way to troubleshoot OBD2 connection problems.
- Simple Solution: Replacing a blown fuse is a straightforward DIY task.
- Prevent Further Damage: A blown fuse indicates a potential electrical issue. Replacing it and investigating the cause can prevent more serious damage.
If you replace the fuse and it blows again immediately, there might be a short circuit or another underlying electrical problem in the OBD2 system or related components. In such cases, further diagnosis by a qualified mechanic is recommended.
In conclusion, the 2007 Ford Fusion OBD2 fuse location is in the passenger compartment fuse box, at position number 18, a 20A MINI fuse. Always consult your vehicle’s owner’s manual for the most accurate fuse box diagrams and locations, as specifications can sometimes vary. Checking this fuse is your first step in resolving OBD2 diagnostic port issues on your 2007 Ford Fusion.
