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Re: Problem with 75 TS



In message <36DE3D90.4B041BB8@domain.elided>, Anders Nilsson
<anders.nilsson@domain.elided> writes
Snip
>What I finally did, was to use the Voltmeter in AC mode and measure the ignition
>pulses from the ECU to one of the coils. Since this signal can be described as
>pulse train ( 0 or 5? 12? ) V with a frequency proportional to the engine revs,
>you an AC Voltage reading which is also proportional to the revs.
>At idle it read about 0,2 V
>At 2000 rpm it read about 1 V.
>
>When the engine died, it read as low as 0,0 or 0,1 V without the revs being
>_that_ low. It is a bit hard to verify due to the delay of the Voltmeter, but I
>think my results point in the direction that the ECU is not sending ingnition
>pulses, which in turn points out the ECU or crank sensor as the culprit.

Have you tried the meter measuring the FREQUENCY of the output from the
crank sensor? This might be a clue, right? I'll try mine in the morning
and report back.
- -- 
jonathan coates

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