8.1. Vehicles with positive-ignition enginesWith effect from 1 January 2000 for new types and from 1 January 2001 for all types, vehicles of category M1, except vehicles the maximum mass of which exceeds 2500 kg, and vehicles of category N1 class I, must be fitted with an on-board diagnostic (OBD) system for emission control in accordance with Annex XI. [...]
8.2. Vehicles with compression-ignition enginesVehicles of category M1, except- vehicles designed to carry more than six occupants including the driver,- vehicles whose maximum mass exceeds 2500 kg,from 1 January 2003 for new types and from 1 January 2004 for all types, must be fitted with an on-board diagnostic (OBD) system for emission control in accordance with Annex XI.
Note that here "European Union" means countries which were members of the EU in 2003.
OBDLink Vehicle Compatibility Chart
If your vehicle does not fall into any of the above categories, look under the hood and try to locate a label (Fig. 1) that explicitly states that the vehicle was designed to comply with OBD-II legislation.
Fig. 1 - Vehicle Emission Control Information Label
In this case, OBD-II is used as a general term and can mean any of the following:
OBD II (California ARB)
EOBD (European OBD)
JOBD (Japanese OBD)
You may also consult your vehicle's owner's manual and perhaps contact your local dealer. However, be aware of the fact that many dealers do not know the difference between OBD and OBD-II.
If the vehicle is not OBD-II compliant, you cannot use a generic OBD-II scan tool such as ElmScan to obtain diagnostic information from your vehicle.
But my car has the 16-pin OBD connector, shouldn't it be OBD-II compliant?
No, not necessarily. A lot of European and Asian manufacturers equipped their vehicles with D-shaped 16-pin connectors long before they began installing OBD-II systems on those vehicles. One curious thing to note here is the fact that most non-EOBD compliant vehicles had a DLC that does not fully conform to SAE J1979. Compare figures 2 and 3, and notice the "ears" on the non-EOBD compliant Ford Focus.
Fig. 2 - Ford Escort DLC (courtesy of DigitalFriction, UK)
Fig. 3 - J1962 Vehicle Connector, Type A
Article ID: 2
Created On: 26 Jan 2004 11:18 PM
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