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The key test for OBD-1 codes

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Old 02-25-2014, 01:48 AM
  #1  
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Year: 1989 Jeep Cherokee
Model: Cherokee
Engine: 4.0L I6 EFI "Power Tech" - 177 hp @ 4750 rpm, 220 ft lb @ 4000 rpm
Default The key test for OBD-1 codes

Below there is a chart of diagnostic trouble codes as I am using the key trick that I have seen... The key trick does work but am needing some help on how to read or make sense of these codes... Your assistance would be appreciated cause I would also like to send in the info to our write ups page...

My real question is is that if I do the key trick on and off 6 times and it blinks how ever many times lets say 5 and then it pauses and then blinks 7 times where on the chart below does this make sense....

Maybe I have it all wrong and am doing it completely wrong so help me understand.

http://www.geocities.com/JeepI6Power/obd1.html
Old 02-25-2014, 02:03 AM
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If it blinks 5 then 7 the code is 57 same thing if its 2 then 5 the code is 25.Are you getting a code not listed?
Old 02-25-2014, 09:46 AM
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Post #2 is a list of OBDI codes: https://www.cherokeeforum.com/f2/gre...ads-here-6558/

Or, it should be in your book.

Your list doesn't show a code 57. And, neither does the one in the link I posted.

Last edited by scottmphoto; 02-25-2014 at 09:48 AM.
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