OBD2 connectors are essential for diagnosing vehicle issues. Understanding the wire colors and their corresponding functions is crucial for effective troubleshooting. This article provides a detailed breakdown of the OBD2 connector wire colors for a 2006 118″ cargo van.
Understanding OBD2 Connector Wire Colors
The OBD2 connector, a standardized 16-pin port, allows access to a vehicle’s diagnostic data. Each pin connects to a specific system or component, indicated by a unique wire color code. Knowing which wire corresponds to which function is critical for interpreting diagnostic trouble codes (DTCs) and performing repairs.
2006 118″ Cargo Van: OBD2 Wire Color Diagram
The following table outlines the pinout and corresponding wire colors for a 2006 118″ cargo van’s OBD2 connector:
| Pin Number | Function | Wire Color(s) |
|---|---|---|
| 1 | SKREEM | White/Dark Green |
| 2 | Empty | N/A |
| 3 | Engine RPM (ECM Socket 18) | Dark Green/Yellow |
| 4 | Ground | Brown |
| 5 | Ground | Brown |
| 6 | Empty | N/A |
| 7 | K Line (ECM Socket 31, OBD Data) | Blue/Yellow |
| 8 | Brake Lamp/ABS Switch (Fuse #1) | Black/Blue/Dark Green |
| 9 | Shifter Anti-lock | Blue/Black |
| 10 | Empty | N/A |
| 11 | K Line (TCM/Radio Pin A2) | Blue/Yellow |
| 12 | Empty (Aux Heater Socket) | N/A |
| 13 | Airbag Control Module | Black/Red |
| 14 | Empty | N/A |
| 15 | Instrument Cluster/Auto Temp Control/Cabin Heater | White/Grey |
| 16 | 12V Constant (Fuse #2) | Red/Yellow |
Note: Some wires may have a trace color, which is important to note for accurate identification. This information is specific to a 2006 118″ cargo van and might vary for other vehicle models and years. Always consult the vehicle’s specific wiring diagram for the most accurate information.
Importance of Accurate Wire Identification
Incorrectly identifying OBD2 connector wires can lead to misdiagnosis and potentially damage to vehicle systems. Always double-check the wire colors and their corresponding functions before connecting any diagnostic equipment or performing repairs.
Conclusion
Understanding the OBD2 connector wire colors is essential for anyone working on vehicle diagnostics and repairs. This guide provides a clear diagram for a 2006 118″ cargo van. Remember to always consult the vehicle’s specific wiring diagram for the most accurate information, as variations may exist between models and years. Using this information, you can effectively troubleshoot and resolve vehicle issues related to the systems connected to the OBD2 port.
