[s-cars] Help! Car won't start...

[Robert Myers]

*This message was transferred with a trial version of CommuniGate(r) Pro*

But...  If the fuse for the ECU mounted above the ECU under the RF 
carpet is blown then the ECU will be dead and not be talking with 
anything.  This most frequently happens when one of the lines between 
a white firewall connector and a coil is shorted to ground (where it 
enters the coil pack cover by the plugs?).  Repair the short and 
replace the fuse and communications will most likely be restored.

Bob


At 10:56 AM 5/14/2011, Tom Green wrote:
>*This message was transferred with a trial version of CommuniGate(r) Pro*
>Right on.  That was my first post to him on the problem; get the ECU to
>communicate.
>
>The ignition switch is not selective in switching on items other than
>the starter;
>otherwise it powers the bus, and it appears most of the ignition
>switched items
>receive power.  I am not sure about any part of the issue because I am
>not there;
>many times essential information is omitted.  My take on ignition
>switches is it
>can't hurt, since, if it isn't broke, it will be.  I just would not
>start there without other
>indications of a faulty switch.
>
>Tom
>
>On May 14, 2011, at 8:32 AM, JC wrote:
>
>>I wouldn't be so sure of that Tom - he's missing ignition switched
>>power at
>>ECU and can't talk to it.
>>
>>Re: Bilhoney's suggestion - lack of Crank Pin is like bad CPS -
>>something
>>that only comes in once the ECU is alive and operating. If the ECU
>>isn't
>>live then it won't even have gotten to the point of checking for that.
>>
>>I'd say need to be able to talk to the ECU first before worrying about
>>anything else.
>>
>>Darren - you DID check the all the fuses including ones down there
>>in the
>>footwell, right? I think somebody posted that right at the beginning
>>of your
>>troubles..?
>>
>>>
>>>I don't think so.  I have not read of any issues posted that
>>>point to a bad ignition switch.
>>
>>>
>>>Tom '95 S6
>>>
>>>On Thursday May 12, 2011, at 10:50 PM,  "Darren Smith"
>>><DS288925 at mycia.net  >  wrote:
>>>>
>>>>So, we have power at pin 18 on the ecu but not at pin 37. Ground is
>>>>good at pin 24.
>>>>
>>>>Will a new ignition switch help/solve my problem?
>>>>
>>>>
>>>>Signal Description
>>>>3. Fuel Pump Relay signal (output) (E87) 18. ECU Power
>>>Supply Terminal
>>>>30 (+12V), Fuse #64 37. Voltage Supply (+12V) input with
>>>ignition on
>>>>for all 5 Fuel injectors (N30-N83), Mass Air Flow Sensor (G70), Evap
>>>>
>>
>>
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>>
>
>
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