is my car obd2a or obd2b

[isaacson06]

how do you tell ??? just woundering

 

[isaacson06]

its a 98 dx civic hatch??

 

[custompainter]

more then likely its a obd2a look at your ecu iff the first three plugs are being used then it's obd2a if the first two and the last are being used then it's obd2b

obd2a = plugs A,B,C,
obd2b = plugs A,B,D,

 

[JDM_EK9R]

your car is obd2a. 99-00 civics are obd2b