Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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lemon-manuals.org.ua
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Knock Sensor: Description and Operation
The
knock sensor provides an input to the Powertrain Control Module
(PCM) on circuit K42. Circuit K42 connects to cavity 27 of the PCM, and cavity 2 of the sensor connector.
The PCM provides a ground for the
knock sensor signal (circuit K42) through circuit K4. Circuit K4 connects to cavity 51 of the PCM connector, and splices to cavity 1 of the sensor connector.