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codes for computer #820322 06/20/07 11:28 PM
Joined: Apr 2007
Posts: 10
H
higgins Offline OP
Need a Spot

Can anyone tell me were i can get the codes for the computer? I read the article. But it wont let me download the site for the codes pulses.When using ohmsmeter to trouble shoot the system.


1989 Dodge Raider 2 Door 3.0 4 speed Automatic
Re: codes for computer [Re: higgins] #820323 06/21/07 01:39 AM
Joined: May 2007
Posts: 4,628
hazy_daze Offline
Roll Me Over
*****
Are we talking GenI? I would assume so becuase you're talking about pulses. For simplicity, L means long and represents a multiple of 10, and S means short representing multiples of 1 (ie L S = 11) To get these pulses, locate the self-diagnostic connector behind the glove box. Insert negative probe into the bottom left and the positive probe into the top right. Set key switch to ON. Make note of code pulses.
Codes are as follows:
Steady long is the ECU code = $$$
L S = 11 = O2 circuit
L S S = 12 = Air flow sensor circuit
L S S S = 13 = Intake air temp sensor circuit
L S S S S = 14 = Throttle position sensor circuit
L L S = 21 = Engine coolant temp sensor circuit
L L S S = 22 = Crank angle sensor
L L S S S = 23 = Top dead center sensor
L L S S S S = 24 = Vehicle speed sensor circuit
L L S S S S S = 25 = Barometric pressure sensor circuit
L L L L S = 41 = Injector circuit
L L L L S S = 42 = Fuel pump circuit
Repeated S's are Normal State (but you shouldn't have a light on if this is the case <img src="/forums/images/graemlins/smile.gif" alt="" />)
BTW, put as much info about your vehicle as you can in your signature, it shows initiative and helps others help you <img src="/forums/images/graemlins/kewl.gif" alt="" />

Oh, and welcome to the Wire <img src="/forums/images/graemlins/cheers.gif" alt="" />


Fasteddy's advice is occasionally sound...







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