A8L Quattro Sedan V8-4.2L (BVJ) (2007)
Specified value: infinite (Infinity).
If the specified value was not obtained:
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Replace Knock Sensor (KS) 1 (G61). Refer to Repair Manual.
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.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Removing and Installing ] See: Engine
Control Module/Service and Repair.
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Using a Multimeter, check the Knock Sensor (KS) 1 (G61) electrical harness connector to the Motronic Engine Control Module (ECM) (J623)
electrical harness connector T60 for an open circuit.