Yes the connectors are different, I believe the OBD2 port was initially provided for the US market emissions testing procedure, use the under bonnet connector to communicate with all the modules.First one: Is there different information provided through the OBD2 in the driver's kick panel area compared with the 20 pin connector under the bonnet, or is exactly the same information AVAILABLE from both.
The diagram below shows the modules available in the D100 connector under the bonnet. The only modules available in the cars OBDII port are those connected to pin 17 in the diagram below.
Note: The lid on the D100 connector has a small circuit board which when fitted patches pin 17 of the D100 connector through to Pin 2 of the D100 connector, Pin 2 is of the D100 connector is directly connected to pin 7 of the in car OBDII port.
Edited @Cooper
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