The 2007 Ford Crown Victoria, a vehicle known for its reliability and service in various fleets, including police departments and taxi services, incorporates an essential onboard diagnostics system. This system, accessed through the OBD2 port, is crucial for diagnosing vehicle problems. If you’re experiencing issues with your OBD2 scanner connecting to your 2007 Ford Crown Vic, a blown fuse might be the culprit. Locating the correct fuse is the first step to resolving OBD2 communication problems. This guide will help you pinpoint the 2007 Ford Crown Vic Obd2 Fuse Location and understand the fuse box layout of your vehicle.
Your 2007 Crown Victoria is equipped with two fuse boxes. Knowing where each one is located and which fuses they contain is important for general vehicle maintenance and troubleshooting electrical issues, including problems with your OBD2 port.
The primary fuse box relevant to the OBD2 port is the passenger compartment fuse panel. This fuse box is situated inside the vehicle, making it easily accessible.
To access the passenger compartment fuse panel in your 2007 Ford Crown Victoria, look under the dashboard on the driver’s side. You’ll typically find it to the left of the steering column, often behind a protective cover. Once you’ve located the panel, you’ll need to identify the fuse that protects the OBD2 system.
According to the fuse diagram for the 2007 Ford Crown Victoria, the OBD II port is linked to fuse #16 in the passenger compartment fuse panel. This fuse is a 20A Mini Fuse and is also associated with the cigar lighter. If your cigar lighter is also not working, this further indicates that fuse #16 might be blown.
| Type | No. | Description |
|---|---|---|
| Fuse MINI 10A | 1 | Ignition (START) – Starter relay coil, DTRS |
| Fuse MINI 7.5A | 2 | Power mirrors, Door lock switches, Mirror switch, Keypad switch, Decklid switch, DDM, Cluster |
| Fuse MINI 5A | 3 | Ignition (START) – Audio mute, Police PDB (Police vehicles only) |
| Fuse MINI 10A | 4 | LCM (switch illumination), Autolamp sensor |
| Fuse MINI 7.5A | 5 | Ignition (ON/ACC) – LCM |
| Fuse MINI 7.5A | 6 | LCM |
| Fuse MINI 10A | 7 | Ignition (ON/ACC) – Wiper module |
| Fuse MINI 10A | 8 | Electronic Automatic Temperature Control (EATC) module (vehicles equipped with EATC only) |
| Fuse MINI 7.5A | 9 | Ignition (ON/ACC) – Door lock switch illumination, Heated seat switch illumination, Moon roof, Overhead console, Radio, Antenna, Electrochromatic mirror, Window relay coil (non-Police vehicles only), Window and decklid relay coil and Police ON/ACC relay coil (Police vehicles only) |
| Fuse MINI 15A | 10 | Hazards (non-Police vehicles only) |
| Fuse MINI 20A | 10 | Hazards (Police vehicles only) |
| Fuse MINI 15A | 11 | Ignition (ON) – Turn signals |
| Fuse MINI 15A | 12 | Audio |
| Fuse MINI 10A | 13 | Ignition (ON) – Anti-lock Brake System (ABS) module, Rear Air Suspensión Module (RASM), Variable Assist Power Steering (VAPS), Cluster |
| Fuse MINI 15A | 14 | Taxi, Adjustable pedals |
| Fuse MINI 10A | 15 | Ignition (ON) – EATC module, A/C mode switch (vehicles equipped with manual A/C only), A/C blower relay coil |
| Fuse MINI 20A | 16 | Cigar lighter, OBD II |
| Fuse MINI 10A | 17 | Ignition (ON) – A/C mode switch (vehicles equipped with manual A/C), Blend door, Heated seat modules, BTSI (Floor-shift transmission) |
| Fuse MINI 15A | 18 | Lighting control module (interior lighting) |
| Fuse MINI 10A | 19 | LCM (Left-hand low beam) |
| Fuse MINI 10A | 20 | Ignition (ON/START) – Back-up lamps |
| Fuse MINI 10A | 21 | LCM (Right-hand low beam) |
| Fuse MINI 10A | 22 | Ignition (ON/START) – Restraint Control Module (RCM), Occupant Classification Sensor (OCS), Passenger Airbag Deactivation Indicator (PADI) |
| Fuse MINI 15A | 23 | Multi-function switch (Flash-to-pass), LCM (High beams) |
| Fuse MINI 10A | 24 | Ignition (ON/START) – Passive Anti-Theft System (PATS) module, Powertrain Control Module (PCM) relay coil, Fuel relay coil, Ignition coil relay coil |
| Fuse MINI 15A | 25 | LCM (Park lamps, license lamps) |
| Fuse MINI 10A | 26 | Ignition (ON/START) – Cluster, LCM, Overdrive cancel switch |
| Fuse MINI 7.5A | 28 | Brake signal, LCM (BTSI), ABS |
| Fuse MINI 2A | 29 | Hazard in (Police vehicles only) |
| Fuse MINI 2A | 30 | Battery saver (Police vehicles only) |
| Fuse MINI 5A | 31 | Key in (LCM) |
| Fuse MINI 2A | 32 | Hazard out (Police vehicles only) |
| Fuse MINI 10A | 33 | Ignition (ON/START), Fire suppression module (if equipped) (Police vehicles only) |
| Relay | K101 | Window relay, Decklid (Police vehicles only) |
In addition to the passenger compartment fuse box, the 2007 Ford Crown Victoria also has a power distribution box. This box is located in the engine compartment. While less directly related to the OBD2 port, understanding its location is helpful for comprehensive electrical system knowledge.
The power distribution box in the 2007 Crown Vic is usually found under the hood, near the battery or engine. Refer to your owner’s manual for the precise location if needed. This box contains higher amperage fuses and relays that protect major vehicle systems.
While fuse #16 in the passenger compartment is the primary suspect for OBD2 port issues, always consult your 2007 Ford Crown Victoria owner’s manual for the most accurate fuse diagrams and locations specific to your vehicle.
Troubleshooting OBD2 Port Issues:
If your OBD2 scanner is not powering on or connecting, follow these steps:
- Locate the passenger compartment fuse box.
- Identify fuse #16 (20A Mini Fuse).
- Inspect the fuse: Check if the fuse is blown (the internal wire is broken).
- Replace the fuse: If blown, replace it with a new 20A Mini Fuse.
- Test the OBD2 port: Try your OBD2 scanner again to see if it now powers on and connects.
If replacing fuse #16 doesn’t solve the problem, there might be other issues, such as wiring problems or a faulty OBD2 port itself. In such cases, further diagnosis by a qualified technician might be necessary.
By understanding the 2007 Ford Crown Vic OBD2 fuse location and the fuse box layout, you can take the first step in troubleshooting OBD2 communication problems and maintain your vehicle’s diagnostic capabilities. Remember to always use the correct replacement fuses and consult your owner’s manual for detailed information about your specific vehicle.
