FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Jeep Truck
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2011
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Compass 2WD L4-2.0L
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Repair and Diagnosis
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Powertrain Management
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Ignition System
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Knock Sensor
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Description and Operation
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Knock Sensor - Description
Knock Sensor - Description
DESCRIPTION
The
knock sensor
is bolted to the cylinder block. The knock sensor is designed to detect engine vibration that is caused by detonation or preignition.