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variable nozzle turbocharger solenoid nissan terrano ZD30 2003 (ford maverick)

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10 months 1 week ago #67542 by gilad.benyosef
variable nozzle turbocharger solenoid nissan terrano ZD30 2003 (ford maverick) was created by gilad.benyosef
hello people kind of new in electrical diagnosis , hope you could help
i have an issue with my variable nozzle turbocharger control solenoid  valve. its randomly open and close turn on and off  like "pumping"   i can see the westgate of the turbo open and close rapidly , i tried to replace 3 valves but all has same results , 
im attaching the wire diagram hope someone can direct me where to start it has only 2 wires i believe ground going (through inner solenoid coil) into pin 101 on the ecm as marked in the attachment . 
it is a nissan terrano R20 engine ZD3.0 dissel , no trouble codes , i believe its called ford maverik in the US . 

how can i defined if its ground/open/short or ECM perhaps  . 
thanks in advance 
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