What Is The Ford OBD2 Pin Diagram And How To Use It?

The Ford Obd2 Pin Diagram is a crucial resource for diagnosing and troubleshooting vehicle issues. This guide, brought to you by OBD2-SCANNER.EDU.VN, provides a comprehensive understanding of the Ford OBD2 pinout, its applications, and how it can assist in effective automotive diagnostics. Dive in to discover how this knowledge can enhance your vehicle maintenance and repair skills.

1. Understanding the Ford OBD2 Port

The OBD2 port, or On-Board Diagnostics II port, is a standardized interface found in most vehicles manufactured after 1996. Its primary function is to provide access to the vehicle’s diagnostic data, enabling technicians and car enthusiasts to identify and resolve issues efficiently. According to the Environmental Protection Agency (EPA), OBD2 systems were mandated to monitor emission-related components, ensuring vehicles meet environmental standards.

1.1. Locating the OBD2 Port

The OBD2 port is typically located under the dashboard on the driver’s side. However, the exact location can vary depending on the Ford model. Common locations include:

  • Below the steering wheel column
  • Near the center console
  • Inside the glove compartment

Consulting your Ford’s owner manual can help you pinpoint the precise location.

1.2. Standard OBD2 Port Configuration

The OBD2 port features a 16-pin connector, each pin serving a specific function. Understanding the pinout is essential for accurate diagnostics and communication with the vehicle’s computer.

Understanding the OBD2 port configuration is key to accurate diagnostics

2. Ford OBD2 Pin Diagram: Pinout and Functions

The Ford OBD2 pin diagram outlines the functions of each pin within the OBD2 port. This knowledge is vital for connecting diagnostic tools correctly and interpreting the data received.

Pin Signal Circuit Description
2 J1850 Bus+ / SCP Bus 914 (TN/OG) ABS and others or not used
3 Medium speed CAN+ or UBP bus 2180 (WH/BK) or 1906 (VT) Low speed (125Kb) CAN bus. This bus is used for some IC, RFA and other units.
4 CGND 57(BK) Chassis ground
5 SGND 570(BK/WH) Signal ground
6 CAN High 1827(WH/LB) High Speed CAN+
7 K-LINE 70(LB/WH) ISO Bus
10 J1850 Bus- 915(PK/LB) SCP bus-
11 Medium speed CAN- 2181(BK/YE) Low speed CAN-
13 PCM 107(P) / 107(VT) Power Train Control / Module programming signal
14 CAN Low 1828 (PK/LG) High Speed CAN-
16 +12v 40(LB/WH) Battery power

2.1. Detailed Pin Descriptions

  • Pin 2: J1850 Bus+ / SCP Bus: This pin is used for SAE J1850 VPW (Variable Pulse Width) communication, primarily in older Ford models. It is part of the Serial Communication Protocol (SCP) bus, which facilitates communication between various modules like the ABS (Anti-lock Braking System).
  • Pin 3: Medium Speed CAN+ or UBP Bus: This pin carries the Controller Area Network (CAN) signal for medium-speed communication. Some Ford vehicles use this pin for the UBP (UART Based Protocol) bus, connecting modules like the Instrument Cluster (IC) and Remote Function Actuation (RFA) units.
  • Pin 4: CGND (Chassis Ground): Provides a ground connection to the vehicle’s chassis, ensuring a stable electrical reference for diagnostic tools.
  • Pin 5: SGND (Signal Ground): This pin offers a clean ground reference for the diagnostic tool, minimizing electrical noise and ensuring accurate data transmission.
  • Pin 6: CAN High: Carries the high signal of the high-speed CAN bus, essential for critical vehicle systems like the engine control unit (ECU) and transmission control unit (TCU).
  • Pin 7: K-LINE: Used for ISO 9141-2 and ISO 14230-4 communication protocols, commonly found in European Ford models.
  • Pin 10: J1850 Bus-: This is the negative side of the SAE J1850 VPW communication bus.
  • Pin 11: Medium Speed CAN-: Carries the low signal of the medium-speed CAN bus.
  • Pin 13: PCM: This pin is used for communication with the Powertrain Control Module (PCM), facilitating module programming and diagnostics.
  • Pin 14: CAN Low: Carries the low signal of the high-speed CAN bus.
  • Pin 16: +12V: Provides battery power to the diagnostic tool, ensuring it can operate independently.

2.2. Importance of Correct Pin Identification

Identifying the correct pins is crucial to prevent damage to the vehicle’s electronic systems and the diagnostic tool. Incorrect connections can lead to short circuits, data corruption, and even permanent damage to the ECU. Always double-check the pin diagram before connecting any diagnostic equipment.

3. OBD2 Protocols Used in Ford Vehicles

Ford vehicles use a variety of OBD2 protocols depending on the model year and specific systems. Understanding these protocols is essential for selecting the appropriate diagnostic tool and interpreting the data correctly. According to a study by the Society of Automotive Engineers (SAE), standardized protocols ensure interoperability between vehicles and diagnostic equipment.

3.1. SAE J1850 VPW

SAE J1850 VPW (Variable Pulse Width) is an older protocol used in many Ford vehicles manufactured before 2003. This protocol uses pin 2 (J1850 Bus+) and pin 10 (J1850 Bus-) for communication.

3.2. ISO 9141-2 and ISO 14230-4 (KWP2000)

ISO 9141-2 and ISO 14230-4, also known as KWP2000 (Keyword Protocol 2000), are protocols used in some Ford models, particularly those sold in Europe. These protocols use pin 7 (K-Line) for communication.

3.3. CAN (Controller Area Network)

CAN (Controller Area Network) is the most modern protocol and is used in Ford vehicles manufactured from 2003 onwards. This protocol uses pin 6 (CAN High) and pin 14 (CAN Low) for high-speed communication between various modules.

3.4. UBP (UART Based Protocol)

UBP (UART Based Protocol) is a protocol that some Ford vehicles use for medium-speed communication between various modules. This protocol uses pin 3 (Medium speed CAN+ or UBP bus) and pin 11 (Medium speed CAN-) for communication.

4. Ford OBD-2 Compatibility List

Understanding the compatibility of OBD2 protocols with specific Ford models is essential for accurate diagnostics. Here’s a detailed list to guide you:

Model Engine Year (starting from) OBD-2 Protocol
Ford Aerostar 1997 PWM J1850
Ford Ba falcon XR6 Turbo, Gasoline (320HP) 2004 CAN 11bit (500kb)
Ford C-Max Gasoline (124 HP) 2006 CAN
Ford C-Max [MK2] Gasoline (124 HP) 2006 CAN
Ford Connect 1.8TDCI, Diesel (121 HP) 2005
Ford Contour 2, Gasoline (120HP) 1996 PWM
1999 PWM J1850
Ford Cougar V6, Gasoline (168 HP) 1999
2.5 V6, Gasoline (170HP) 1999 PWM
Ford E150 2000 PWM J1850
Ford E350 2000 PWM J1850
Ford Escort 1998 PWM J1850
Diesel (89 HP) 1998 PWM J1850
Ford Escort Kombi Gasoline (89 HP) 1997
Ford Escort MK7 Gasoline (114 HP) 1995 PWM J1850
Ford Escort Van Gasoline (82 HP) 1998
Ford Expedition 1998 PWM J1850
Ford Explorer Gasoline (208 HP) 1995 PWM J1850
1998 PWM J1850
2000 PWM J1850
4, Gasoline (205HP) 2001 PWM
Ford F150 1997 PWM J1850
2003 PWM J1850
4.6, Gasoline (300HP) 2004 CAN 11bit (500kb)
Ford F150 (truck) 1999 PWM J1850
Ford F150 (van) 1999 PWM J1850
Ford F250 2000 PWM J1850
Ford Fairmont 4, Gasoline (266HP) 2008 CAN 11bit (500kb)
Ford Falcon 6 cyl, Gasoline (247HP) 2003 CAN 11bit (500kb)
v8, Gasoline (353HP) 2004 CAN 11bit (500kb)
4.0L Turbo, Gasoline (365HP) 2005 CAN 11bit (500kb)
Boss 5.4, Gasoline (388HP) 2008 CAN 11bit (500kb)
4.0l, Gasoline or LPG (155HP) 2005 CAN 11bit (500kb)
Ford Fiesta 1.4, Gasoline (90HP) 1996 PWM
1997 PWM J1850
Diesel (60 HP) 1997
1.25, Gasoline (74 HP) 1997
MK4, Gasoline (60 HP) 1997 PWM J1850
1.2, Gasoline (90HP) 1998 PWM
1.2, Gasoline (75HP) 1999 PWM
Gasoline (60 HP) 2000
1.6 16V, Gasoline (102 HP) 2000 PWM J1850
1.8tddi, Diesel (74 HP) 2001 PWM J1850
1.3 endura, Gasoline (60HP) 2001 PWM
1.4 TDCI, Diesel (68 HP) 2002
1.4 TDCI, Diesel (68 HP) 2002
1.4, Gasoline (60HP) 2002 CAN 11bit (500kb)
1.4, Gasoline (80HP) 2002 CAN 11bit (500kb)
Gasoline (80 HP) 2003 CAN
1,4, Gasoline (80 HP) 2003 CAN
1.4 tdCI, Diesel (68HP) 2004 CAN 11bit (500kb)
1.3, Gasoline (70HP) 2004 CAN 11bit (500kb)
1.6, Gasoline (100HP) 2004 CAN 11bit (500kb)
1.3, Gasoline (75HP) 2005 CAN 11bit (500kb)
2.0 Duratec, Gasoline (150HP) 2005 CAN 11bit (500kb)
MK6.5, Diesel (90 HP) 2006 CAN
1.6 TdCi, Diesel (90HP) 2007 CAN 11bit (500kb)
1.4 tdCi, Diesel (68HP) 2009 CAN 11bit (500kb)
1.6, Gasoline (120HP) 2009 CAN 11bit (500kb)
1.6 tdCi, Diesel (95HP) 2010 CAN 11bit (500kb)
Gasoline (50 HP) 1999 PWM J1850
Gasoline (102 HP) 2000 PWM J1850
MK6, Diesel (68 HP) 2005 CAN
Ford Focus Gasoline (74 HP) 1999 PWM J1850
1999 PWM J1850
Gasoline (100 HP) 1999 VPW J1850
Gasoline (100 HP) 1999 PWM J1850
1.6, Gasoline (100HP) 1999 PWM
2, Gasoline (130HP) 1999 PWM
1.8, Gasoline (114 HP) 2000
TDDI Turnier, Diesel (89 HP) 2000
1.6 16V, Gasoline (100HP) 2000 PWM
1.8 TDCI, Diesel (114 HP) 2001
1.8 TDCI, Diesel (114 HP) 2001
1.4 16V, Gasoline (75HP) 2001 PWM
Gasoline (100 HP) 2002 PWM J1850
2002 PWM J1850
Gasoline (171 HP) 2003 PWM J1850
1.8 TDDI , Diesel (89 HP) 2003
1.8 tdCi, Diesel (100HP) 2003 PWM
1.6 tdCi, Diesel (110HP) 2003 CAN 11bit (500kb)
2, Gasoline (215HP) 2003 PWM
Diesel (114 HP) 2004 VPW J1850
1.6 tdCi, Diesel (90HP) 2004 CAN 11bit (500kb)
1.6 tdCi, Diesel (120HP) 2004 CAN 11bit (500kb)
1.8 16v, Gasoline (122HP) 2004 CAN 11bit (500kb)
2.0 tdCi, Diesel (136HP) 2004 CAN 11bit (500kb)
Gasoline (121 HP) 2005
Diesel (148 HP) 2005 CAN
1.6 TI VTI, Gasoline (110HP) 2005 CAN 11bit (500kb)
1.8 tdCi, Diesel (115HP) 2005 CAN 11bit (500kb)
2.5 Turbo, Gasoline (274HP) 2006 CAN 11bit (500kb)
1.4, Gasoline (80HP) 2007 CAN 11bit (500kb)
1.8 tdCi, Diesel (115HP) 2007 CAN 11bit (500kb)
2.0 tdCi, Diesel (90HP) 2008 CAN 11bit (500kb)
2.5, Gasoline (225HP) 2010 CAN 11bit (500kb)
Gasoline (104 HP) 2011
1.6 tdCi, Diesel (110HP) 2011 CAN 11bit (500kb)
1.6 SCTI, Gasoline (152HP) 2011 CAN 11bit (500kb)
2.5 turbo, Gasoline (305HP) 2011 CAN 11bit (500kb)
Gasoline (100 HP) 2002
Diesel (135 HP) 2005
Ford Focus II 1,6 Ti-VCT, Gasoline (114 HP) 2005 CAN
Ford Focus CC Gasoline (143 HP) 2007
Ford focus C-max Diesel (141 HP) 2005
1,6, Diesel (108 HP) 2006 CAN
Ford Focus MK1 Face Lift 1.8 TDCI, Diesel (114 HP) 2003
Ford Focus Mk2 Diesel (147 HP) 2005
Ford Focus ST Gasoline (223 HP) 2006 CAN
Ford Focus ST + Tuning Gasoline (282 HP) 2006 CAN
Ford Focus ST170 Gasoline (171 HP) 2002 PWM J1850
Gasoline (165 HP) 2003 PWM J1850
Ford Focus SVT 2002 PWM J1850
Ford Focus Turnier TDDi, Diesel (89 HP) 1999
TDDI, Diesel (74 HP) 2001
1.6l Zetec, Gasoline (100 HP) 2002
Ford FPV GT-P 5.4 V8, Gasoline (400HP) 2006 CAN 11bit (500kb)
Ford Fusion Diesel (68 HP) 2002
1.6, Gasoline (100HP) 2003 CAN 11bit (500kb)
1.4 tdCi, Diesel (68HP) 2004 CAN 11bit (500kb)
1.6 tdCi, Diesel (90HP) 2004 CAN 11bit (500kb)
Diesel (81 HP) 2005
1,4 TDCI, Diesel (68 HP) 2005
1.4, Gasoline (80HP) 2009 CAN 11bit (500kb)
Ford Galaxy Gasoline (114 HP) 1995
Diesel (109 HP) 1995 KW 2000 VAG
Gasoline (114 HP) 1995 PWM J1850
Gasoline (114 HP) 1997
Gasoline (114 HP) 1998 KW 1281
Gasoline (144 HP) 1999 PWM J1850
Diesel (89 HP) 1999 PWM J1850
Diesel (109 HP) 1999 ISO 9141-2
Gasoline (144 HP) 2000 PWM J1850
TDI PD, Diesel (114 HP) 2000 ISO 9141-2
VR6, Gasoline (202 HP) 2001 ISO 9141-2
1.9l TDI, Diesel (114 HP) 2002 KW 1281
Diesel (114 HP) 2003
tdi, Diesel (130HP) 2003 ISO 9141
1.9 TDI, Diesel (114 HP) 2005
Ford Galaxy II 1.8 tdCi, Diesel (125HP) 2007 CAN 11bit (500kb)
Ford KA Gasoline (60 HP) 1997 PWM J1850
Gasoline (60 HP) 1997 PWM J1850
Gasoline (60 HP) 1997 PWM J1850
1.3i, Gasoline (90HP) 1998 PWM
Gasoline (60 HP) 2000 PWM J1850
1.3i, Gasoline (60HP) 2000 PWM
Gasoline (119 HP) 2006 PWM J1850
Gasoline (60 HP) 2007 CAN
1.2, Gasoline (69HP) 2010 CAN 29bit
Ford KA Endura E 1.3, Gasoline (60 HP) 1997 PWM J1850
Ford Kuga 2.5T, Gasoline (220HP) 2009 CAN 11bit (500kb)
Diesel (139 HP) 2010 CAN
TdCi, Diesel (140HP) 2011 CAN 11bit (500kb)
Ford M350 2.2 TdCi, Diesel (130HP) 2007 CAN 11bit (500kb)
Ford Maverick Mk2 Gasoline (202 HP) 2005
Ford Mercury 4.6, Gasoline (280HP) 1999 PWM
Ford Mondeo Diesel (74 HP) 1994
Gasoline (88 HP) 1994
Gasoline (114 HP) 1998 PWM J1850
Gasoline (129 HP) 1998
2.5i V6, Gasoline (168 HP) 1998 PWM J1850
2, Gasoline (131HP) 1998 PWM
V6, Gasoline (205HP) 2000 PWM
1.8 tunier , Gasoline (109 HP) 2001 PWM J1850
Duratec-HE, Gasoline (144 HP) 2001 PWM J1850
2, Gasoline (110HP) 2001 PWM
2.5 L V6, Gasoline (170HP) 2001 PWM
TDCi , Diesel (129 HP) 2002
3L V6, Gasoline (226HP) 2002 PWM
(duratec HE 2L), Gasoline (144 HP) 2003 PWM J1850
(duratec HE 2L), Gasoline (144 HP) 2003 PWM J1850
TDCI, Diesel (129 HP) 2003
2.0 HDi, Diesel (115HP) 2003 PWM
2.0 tdCi, Diesel (130HP) 2003 ISO 9141
Diesel (114 HP) 2004
TDCI, Diesel (114 HP) 2004
TDCI Turnier, Diesel (153 HP) 2005 PWM J1850
2.0 tdCi, Diesel (130HP) 2005 PWM
Gasoline (218 HP) 2007
2.0 TDCI, Diesel (129 HP) 2007 VPW J1850
1.8 tdCi, Diesel (125HP) 2007 CAN 11bit (500kb)
Diesel (139 HP) 2008
2, Diesel (145HP) 2008 CAN 11bit (500kb)
Ford Mondeo Kombi TDCI, Diesel (129 HP) 2002
Ford Mondeo MK II Gasoline (89 HP) 1997 PWM J1850
Ford Mondeo MK3 V6 2,5, Gasoline (168 HP) 2001 PWM J1850
Ford Mondeo MK3 Turnier TDDI, Diesel (114 HP) 2002
Ford Mondeo Tournier Gasoline (144 HP) 2008 CAN
Duratec HE 1.8, Gasoline (121 HP) 2001 PWM J1850
Ford Mondo TDCi, Diesel (129 HP) 2002
Ford Mustang 1998 PWM J1850
4, Gasoline (214HP) 2005 CAN 11bit (500kb)
V8 4.6, Gasoline (300HP) 2006 CAN 11bit (500kb)
Ford Mustang GT Gasoline (290 HP) 1996 PWM J1850
Ford Mustang GT V8, Gasoline (301 HP) 2008 CAN
Ford Probe 1997 ISO 14230-4, ISO 9141-2
Ford Probe GT 2.5L V6, Gasoline (190HP) 1997 ISO 9141
Ford Puma Gasoline (124 HP) 1999 PWM J1850
1.7, Gasoline (125HP) 1999 PWM
Gasoline (89 HP) 2000 PWM J1850
1.7L 16V, Gasoline (155HP) 2000 PWM
1.7 16v, Gasoline (125HP) 2001 PWM
Ford Ranger 1995 PWM J1850
4, Gasoline (145HP) 1999 PWM
2002 PWM J1850
Diesel (141 HP) 2009 CAN
Diesel (141 HP) 2010 CAN
Ford Ranger 4×4 Pickup 2000 PWM J1850
Ford Scorpio Gasoline (204 HP) 1

Comments

No comments yet. Why don’t you start the discussion?

Leave a Reply

Your email address will not be published. Required fields are marked *