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Ron
Dodge Dakota
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12/12/2003
21:44:04
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 Subject: 1998 Dakota won't run
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I have a 98 Dakota V6 that will not crank. I have checked the coil and coil is good but not getting any fire from the coil. Wires are good to the PCM. Do I have a PCM problem or should I look elswhere, maybe the camshaft position sensor?
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Ron
Dodge Dakota
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12/12/2003
21:59:56
|  RE: 1998 Dakota won't run
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I guess I should also add that I have not gotten any error codes or lights and the truck would cut out abrubtly then come right back on while driving on the interstate for the past coupla days.
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asd
Dodge Dakota
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12/12/2003
22:50:26
| RE: 1998 Dakota won't run
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check the asd relay
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Ron
Dodge Dakota
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12/13/2003
08:39:32
| RE: 1998 Dakota won't run
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I did ched the asd relay, and 30 amp fuse as well, no problem found. Other than the obvious name, what is the ASD used for? What condition is it designed to shut down for?
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Kowalski
Dodge Dakota
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12/13/2003
08:48:32
| RE: 1998 Dakota won't run
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How's the battery ? Do you really mean it won't crank or does it turn over but not fire ?
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asd
Dodge Dakota
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12/13/2003
08:57:32
| RE: 1998 Dakota won't run
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it shuts down if it doesn't see a crank or cam sensor signal
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Ron
Dodge Dakota
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12/13/2003
10:28:54
| RE: 1998 Dakota won't run
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It will turn over, just no fire from the coil. Battery is fine.
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Ron
Dodge Dakota
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12/13/2003
10:31:48
| RE: 1998 Dakota won't run
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So...the way I figure I'm down to a PCM problem or crank sensor. The crank sensor is definately the cheaper of the two....should I try to replace that or bite the bullet and take it in for diagnostics?
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Have U
Dodge Dakota
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12/13/2003
11:05:08
| RE: 1998 Dakota won't run
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have you just tried to disconect the battery and reset the PCM and see what happens ????
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Ron
Dodge Dakota
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12/13/2003
11:19:26
| RE: 1998 Dakota won't run
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Yes I have, when I was testing the wiring from the coil to the pcm I disconnested the battery during testing. Still no fire after re-connecting everything. Also I'm calling around looking for parts. Should I be asking for a camshaft sensor or crank sensor? Is this two different parts or just different terminolgy for different engines?
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parts
Dodge Dakota
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12/13/2003
11:46:15
| RE: 1998 Dakota won't run
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they are 2 different parts
as asked before does it crank over ??
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Ron
Dodge Dakota
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12/13/2003
11:53:24
| RE: 1998 Dakota won't run
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Yes, the engine will turn over but will not crank. I have checkd for fire at the plugs ..no dice. Same goes for the coil...I have ohmed out the coil and coil is fine. Have also checked the wires feeding the coil from the PCM. Both check good. One wire is also grounded, which jives with the wiring schematic. I have checked for voltage at those wires as well as I turn it over and no voltage. I am using a digital meter so it may be changing faster than my meter can read it, but I can take the coil and put 12 volts to it and get a good spark at the secondary. That's whay I'm thinking it is either the PCM or crack sensor. For whatever reason, the pcm is'nt putting out and I can't think of anything else upstream that would keep it from firing.
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help
Dodge Dakota
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12/13/2003
12:31:59
| RE: 1998 Dakota won't run
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I would check the distributor cap and the rotor button
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hmmmmm
Dodge Dakota
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12/13/2003
12:47:20
| RE: 1998 Dakota won't run
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Check for continuity on the CPS. If it shows continuity, try unplugging it, cranking the engine, then plugging it back in and cranking it. The ASD is the AutomaticShutDown relay and it kills power to the fuel pump and ignition when you shut the engine off and when the airbags deploy and if the engine stalls. It's a safety relay. Try switching another relay for the ASD relay. It could still be the problem.
If everything else checks good, make sure the rear of the three connectors on the PCM is fully seated. Unplug the PCM connectors one at a time, check the condition of the wiring and plugs and plug them back in until you feel the click.
Your PCM could be fried.
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Ron
Dodge Dakota
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12/13/2003
17:28:41
| RE: 1998 Dakota won't run
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Ok, Ive been tinkering with it some more, I've checked the CAM position switch, and not reading anything. I am not even getting the 5v supply to the sensor. So I checked all three wires from sensor to PCM and all check good. I've read some more and the only thing I have'nt checked is to se if the PCM itself is getting power. I did try swapping the ASD relay with one of the others that were the same and still no luck. At this point if I find I do have power to the PCM itself then can I assume it is fried or is there anything else I can check? Thanks for the suggestions all
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STS
Dodge Dakota
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12/13/2003
17:47:39
|  RE: 1998 Dakota won't run
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You might want to check the PCV Valve.
It to shuts off the engine if theres a back fire.
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BigDakota97®
Dodge Dakota
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12/13/2003
22:28:31
| RE: 1998 Dakota won't run
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Dont forget that to when u try to reset the PCM, u not only dis-connect the battery, but u also have to turn the key switch on, and let it sit for a few seconds to drain all power from all wires, if u try that little step, maybe u can get soemthin from it, but man, good luck with all the trouble.
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Bullshlt97®
Dodge Dakota
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12/15/2003
00:18:36
| RE: 1998 Dakota won't run
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that last post is a wives tale, an urban legend.
the accepted method for resetting the PCM is to remove battery for 2 minutes. there is no need to turn the key. doing so accomplishes nothing.
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lettacat
Dodge Dakota
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8/04/2010
20:09:59
| RE: 1998 Dakota won't run
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Ihave a 1998 Dodge dakota 2 door V6. I got in my truck turned the key and I got a 1click.I turned it again nothing.I was getting the warning *ding* when I put the key in the ignition. Then I opened the hood to check the batt. Terminals they are clean and tight. Put the ket back in the starter and I got nothing . Completley dead. Someone please help. Next stop is getting someone to jump me but.I'm waiting for someone to help me out with that.
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