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International Automotive Technicians Network
Re: Reference voltage, how and why to test it
Posted to Technical Discussion Forum on 1/14/2022

Hi Kelly,

I can provide an example for you. It is a 5V reference for a cam and crank sensor on a late 90's Dodge truck.

The customer comes in and has been told by another shop it needs a PCM because there is no communication.

The customer refuses their d... Login to read more.