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International Automotive Technicians Network
Re: CKP and Ignition Module Waveform
Posted to Technical Discussion Forum on 1/10/2008

Hi Jim,

Your Channel 3 power supply to the CKP sensor according to my info should be a 10v signal. You are measuring over 11v. Since I assume you are testing at the ICM, I would be looking for sources of resistance downstream of your test point. Login to read more.