On-Board Diagnostics [OBD] is a vehicle bus used to monitor engine functions. OBD II is the second generation of that interface. The graphic below details a male OBDII to male DB15 pin Cable assembly

Male OBDII to Male DB15 Cable Assembly
Additional OBDII cable assemblies
OBDII to DB15 pin Cable
Female OBDII to 2x2 pin Cable
Right Angle Male OBDII to DB-9pin Cable
Male OBDII to DB9-pin Cable right angle
Male OBDII to Male DB9-pin Cable
Male OBDII to Female OBDII Cable
BMW to Female OBDII Cable
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Main OBDII description page
Signal Assignments; OBDII pinout








