TwinTurbo.NET: Nissan 300ZX forum - ECU side knock sensor resistance
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Subject ECU side knock sensor resistance
     
Posted by RenegadeZ on July 17, 2016 at 9:33 AM
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Message Quick question this morning. Car is throwing Code 34.

I have two knock sensors on my car one in the stock location and a second mounted on the plenum as a backup. They are wired separately.
Both measure 510-560 kohm which is "good".

What is the actual measured resistance between the pins for the knock sensor circuit on the ECU side? I have found a number of about 500 kohm and I am reading 290-320 kohm. This has been measured at the connector as well as from pin 23 to ground on the ECU.

Any chance one of you guys can do a quick check on your car? Just went through an ECU upgrade and can't kill the code.

     
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