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ICV Idle Control Valve No Signal From Connector

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ICV Idle Control Valve No Signal From Connector

Postby 75evo » Mon Dec 19, 2016 7:23 am

HI Guys,

I'm getting the 1-2-3-3 error code on my 164 LS (1995 with EGR, USA only). When I check the ICV with the engine running but plenum ports plugged, it's not spinning. Replaced it with another ICV, same behavior. Nothing. Check voltage and it was 0. But since this is a PWM circuit, I also. checked with an oscilloscope, nothing. Any pointers? This connects directly to the Motronic right? No relays?

Thanks

Zamani

IAC ICV Idle Actuator
75evo
 
Posts: 3
Joined: Mon Dec 19, 2016 7:09 am

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