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Self Diagnostic

DoriBoy

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Location
Devon
Car
Accord `99
Hi there!
I just bought 99 Accord and I have 'check engine' light on, so I want to do selfdiagnostic. but I cant find the diagnostic connector. anyone know where is it placed?
p.s. sorry for my english.
 
Hi there!
I just bought 99 Accord and I have 'check engine' light on, so I want to do selfdiagnostic. but I cant find the diagnostic connector. anyone know where is it placed?
p.s. sorry for my english.

i think its in the passenger footwell somewhere. i have to do the same so hoping someone with some knowledge comes back and confirms :)
 
I look everywhere on passenger side, and take off the panel under the glovebox, but find nothing :(
 
It should be in the center console, under the carpet, in the passenger side, just lift the carpet a bit, and it should be there....

There is also the possibility of not having one, as mine :(

Take a look at this picture, see where the carpet is lift, a small metal bracket, that's the place where the OBD connector should be
 
I have RHD model, and my passenger side is left, so I must to check driver side. :)
Thanks for information. ;)
 
pretty sure it is on the passenger side for you too.
 
I have RHD model, and my passenger side is left, so I must to check driver side. :)
Thanks for information. ;)

Check the same place, at the passenger side, I guess our cars must me almost a mirrors of each other. If you don't find it in the passenger side, then give it a try in the driver's side ;)
 
Hi, it's definitely on the passenger side, mine was plugged in a week ago. It's in the passenger footwell, on the right hand side, may need to pull away the carpet a bit...keep looking, it's definitely there (funny, that's what I say to the wife too!) :lol:
 
Hi fokes

If your accord is 1998 to 2002 then its fitted with a OBD port :p



1 if for SRS diagnostic
2 is for ABS diagnostic
3 is the OBD port

the OBD is located behind the carpet and should look somthing like this


hope this helps :)
 
Not necessary, mine doesn't have one, although it is a 1.8, year 200 Accord, RHD ;)

sorry bro i only have the specs for the F20B6 engine OBD :( no idea about the 1.8s if they were fitted with them.

I would if thought if there is no OBD then there would be no EML
unless its done through pins in the engine bay

any1 else no?!?
i would really like to learn more:D
 
There are different types. Iirc the obd2 port come in on most cars after 1996 but there will still be some form of dianostic port somewhere
 
OBD2 came on most cars after 2001.

the only different between the 1.8 and the 2.0 is the injector size. The code for the 1.8 is F18B6. IT should have one in the passenger footwell as has already been said. Also check nearer the gearstick, but still on the side of the center console trim.
 
The code for the 1.8 is F18B6. IT should have one in the passenger footwell as has already been said. Also check nearer the gearstick, but still on the side of the center console trim.

Nope, mine is F18B2. And as for the OBD connector, I have looked all over the car, in the passenger side, driver side, and found nothing...

I guess that there were some versions of these cars that came out with no OBD connectors :huh:
 
Nope, mine is F18B2. And as for the OBD connector, I have looked all over the car, in the passenger side, driver side, and found nothing...

I guess that there were some versions of these cars that came out with no OBD connectors :huh:


My 2002 1.8 has the OBD port in the passenger footwell, don't know but could this be a difference between the pre/post facelifts :unsure:
 
I am not sure, but I guess I have seen pre-facelift versions with the OBD connector...
 
History lesson on ~ OBD1 & OBD2

OBD1- was introduction in the early 1980s by boash and simply had a EML come on if a fualt accurd with the eingine. it was to encourage manufacturers to design reliable emission control systems. The hope was that by forcing annual emissions testing for California. This failed as the system was based on ****og and the emissions information was unreliable.

OBD2- arrived in mid 1990s and was much graeter system as it was digital based offering standardized and reliable emissions information.

the next advansment came at the start of 2002 with the introduction of CAN BUS data to the OBD2 and then in 2010 all OBD2 must see live can bus data.
 
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