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Suzuki Swift T3 conversion - engine no start
#43
with a scope,. we check all pins in the ignitor first. (if the center HV tower pin is dead, no spark at coil, is this true??????)
if the center IG coil pin is ok then the distrib is time wrong, see?
if the center is dead, or weak, then we check the ingitor pins, (and if the condensor is missing,or not grounded , really all grounds here must be good.)
if the input to the ignitor is dead. yellow and org. (if one is dead , other will be)
then the ECU has cut spark.
if the ECU cuts spark we check all pins on the ECU, starting at CMP, if CMP is a Faraday (passive sensor lacking Transistors inside) then we must use a scope.
if the CMP is hall, even a analog meter works and works best, it wags, 0v, 5v,0v 5v as you crank.
if the CMP is Faraday, then you must get those weak signals to the ECU as small as 0.5v, 500mV tiny ... slower the crankshaft moves the weak they are. Unlike HALL.
that is how all cars work. lacking a scan tool
the scan tool would show RPM dead. dead as a door nail. and no spark (for example)

im sure you know all that, just talking how to attack it lacking real tools...... scanner, scope. etc.....

if the cmp sigs look ok, (ignitor dead) then we must read all pins on the ECU, sorry, but all computers work like that, GIGO , garbage in , garbage out.
and no opens source software to read , and to see, OMG, this bugger, cuts spark for XXX and YYY and ZZZ
http://www.fixkick.com
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RE: Suzuki Swift T3 conversion - engine no start - by fixkick - 07-14-2016, 11:35 PM

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