This page shows that #15 is the L-Line, but #6 for CAN & #9 is Manufacturer specified, so it could be anything. Make sure that you are count the pins the correct way. My Toyota based car has a pin in #1, #4, #5, #7, #15, & #16, some are not used for this device.
OBDII - On-Board Diagnostic's System - Does My Car Have OBD-II? The Connector and Communications.