Showing posts with label eobd. Show all posts
Showing posts with label eobd. Show all posts

Monday, May 11, 2009

EOBD Connector Pin Layout

According to the info found on this page this should be the pin layout for the EOBD connector:

Pin 1 - Ignition positive
Pin 2 -
Pin 3 - Data Tacho / MUX network Late generation
Pin 4 - Chassis ground
Pin 5 - Chassis ground
Pin 6 - Data Climate control/CAN High ('IS' Late generation)
Pin 7 - K Line Data Engine management / Automatic gearbox management
Pin 8 - Cooling fan control information / MUX network Late generation
Pin 9 - Charge information
Pin 10 -
Pin 11 - Data BSI
Pin 12 - K Line Data ABS/ESP/GEP/Suspension control
Pin 13 - Data Air Bag/Headlight control
Pin 14 - CAN Low('IS'.. Late generation)
Pin 15 - Data Engine management
Pin 16 - Battery positive


The OPEL/Vauxhall Vectra should use the CAN BUS to exchange information between the various components. I wonder how the pin are placed on the actual connector, since it seems a bit different. We will have to attach probably to pins 6 and 14 to get access to the bus.

EOBD Connector Location


As I promised, here is the photo of the exact location of the connector on the Vectra. It is very easy accessible and I hope it will provide a very easy access to the car bus system.

Tuesday, May 5, 2009

EOBD on board diagnostic connector on the Vectra

Seems like my 2002 Vauxhall/OPEL Vectra supports the EOBD connector. I have found it near the gear shift lever and I'm now pretty sure about it thanks to this image:

found with Google Images. I'll post a picture of the exact location as soon as I can download photos from my mobile or get a decent camera.
This connector should provide access to all the internal diagnostic informations from the car like tire pressure, engine parameters, temperatures and more.
I have found some more info on it on Wikipedia. Seems like it's a standard for European vehicles since 2001 and should also include the CANBUS interface I'm interested in.
Now that I think about it, it should also be present on the other Vauxhall our family owns. I have to check this sooner or later!