A6 Sedan V6-3.2L (BKH) (2007)
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Using a Multimeter , check as follows:
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Using a Multimeter, check the Knock Sensor (KS) 1 (G61)
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or Knock Sensor (KS) 2 (G66) terminals 1 to 2, 2 to 3, and 1 to 3 for an internal short.
Specified value: infinite (Infinity).
If the specified value was not obtained:
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Replace Knock Sensor (KS) 1 (G61) or Knock Sensor (KS) 2 (G66) as necessary => Fuel Injection and Ignition 24 Diagnosis and Testing.
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box (VAG1598/42)=> Fuel Injection and Ignition 24 Removal and Installation.
If the manufacturers test box is not being used, perform the following step.
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Remove the Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Replacing ] See: Computers and Control
Systems/Engine Control Module/Service and Repair/Engine Control Module, Replacing.
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Using a Multimeter , check the knock sensor electrical harness connector to the Engine Control Module (ECM) (J623) electrical harness connector
for resistance.
‹› Knock Sensor (KS) 1 (-G61-)
‹› Knock Sensor (KS) 2 (-G66-)