94 B3000 EEC-IV
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From: Haymarket, Virginia
94 B3000 EEC-IV
Hi All,
Is there a way to read EEC-IV via OBD2 scan tool? From what I'm reading, one can buy this adapter thing on ebay that can "convert" or provide access so that one could use an OBD2 scanner. Does anyone know or can recommend a product so I can start looking to see what codes, if any, there are on my 94 B3000?
TIA
Is there a way to read EEC-IV via OBD2 scan tool? From what I'm reading, one can buy this adapter thing on ebay that can "convert" or provide access so that one could use an OBD2 scanner. Does anyone know or can recommend a product so I can start looking to see what codes, if any, there are on my 94 B3000?
TIA
No, there is no converter for OBD2 to read OBD1
On a 1994 you can use the CEL(check engine light) to read codes
Find the OBD1 connector in engine bay, looks like this: https://i.ebayimg.com/images/g/uP0AA...jPb/s-l400.jpg
May still have a Cap on it, cap has EEC on the top
Can be clipped to engine fuse box
There will be a single grey connector with it on the same harness, as seen
Key off
You need a short jumper wire or an unfolded paper clip will work
Slots in OBD1 connector seen here: https://www.460ford.com/attachments/...est-jpg.79617/
You need to jumper the single grey connector("Self Test Input") to "Signal Return" slot on larger connector
This will put EEC in test mode when key is turned on(engine off)
Turn on the key and watch the CEL
It will use 3 digit codes in a 1994, list seen here: https://www.therangerstation.com/tec...gitcodes.shtml
The CEL will flash once after computer boots up, then it will start to flash codes, say 1 flash, short pause, 1 flash, short pause, 6 flashes, LONG pause, that would be code 116
Don't worry you will get the hang of it, its very easy once you know what to look for
It will do all the saved codes and then REPEAT them all, so when you see the same code again you have all the codes in memory
Code 111 means no codes in memory
If you remove the jumper while key is still on that will CLEAR all the codes in memory, if you just turn off the key and remove the jumper codes will be saved
Its a good idea to clear the codes, so you can see if any come back after driving, if there is a problem computer will reset the code, if no new code is set then problem is no longer there
i.e. you get "bad gas", that will set codes because engine was running rough, but once that bad gas is gone the codes are no longer valid, they will self clear over time, but you can end up chasing your tail until then, lol
So clear the codes and see what comes back
On a 1994 you can use the CEL(check engine light) to read codes
Find the OBD1 connector in engine bay, looks like this: https://i.ebayimg.com/images/g/uP0AA...jPb/s-l400.jpg
May still have a Cap on it, cap has EEC on the top
Can be clipped to engine fuse box
There will be a single grey connector with it on the same harness, as seen
Key off
You need a short jumper wire or an unfolded paper clip will work
Slots in OBD1 connector seen here: https://www.460ford.com/attachments/...est-jpg.79617/
You need to jumper the single grey connector("Self Test Input") to "Signal Return" slot on larger connector
This will put EEC in test mode when key is turned on(engine off)
Turn on the key and watch the CEL
It will use 3 digit codes in a 1994, list seen here: https://www.therangerstation.com/tec...gitcodes.shtml
The CEL will flash once after computer boots up, then it will start to flash codes, say 1 flash, short pause, 1 flash, short pause, 6 flashes, LONG pause, that would be code 116
Don't worry you will get the hang of it, its very easy once you know what to look for
It will do all the saved codes and then REPEAT them all, so when you see the same code again you have all the codes in memory
Code 111 means no codes in memory
If you remove the jumper while key is still on that will CLEAR all the codes in memory, if you just turn off the key and remove the jumper codes will be saved
Its a good idea to clear the codes, so you can see if any come back after driving, if there is a problem computer will reset the code, if no new code is set then problem is no longer there
i.e. you get "bad gas", that will set codes because engine was running rough, but once that bad gas is gone the codes are no longer valid, they will self clear over time, but you can end up chasing your tail until then, lol
So clear the codes and see what comes back
Last edited by RonD; May 24, 2022 at 12:18 PM.
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