A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)
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‹› Before disconnecting the Knock Sensor electrical harness connectors, mark the component location.
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Disconnect the Knock Sensor (KS) 1 (G61) electrical harness connector- 1 -.
Checking internal resistance
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Using a multimeter, check the Knock Sensor terminals 1 to 2 for an internal short.
Specified value: infinite (Infinity).
