Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
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Knock Sensor: Description and Operation
Knock SensorKnock Sensor (KS):
The
Knock Sensor (KS) is a tuned accelerometer on the engine which converts engine vibration to an electrical signal. The PCM uses this signal to determine the presence of engine knock and to retard spark timing.
The
KS:
^
is located top forward of the block under the intake manifold.
^
sends a signal to the PCM indicating engine detonation.
