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International Automotive Technicians Network
Re: Knock Sensor Signals
Posted to Technical Discussion Forum on 3/18/2023 2 Replies

At least 2 ways to set code:

The circuit uses a 5 V ref; when the sensor is plug-in proper there is a voltage drop of 2.5 V between the computer and sensor - in other words the computer sees 2.5 V because of the sensor drop - if sees 5 volts it "knows" it an... Login to read more.

2 Replies Received (View Replies)