A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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Specified value: at least 4.5 V
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Switch the ignition off.
If the specified value was obtained:
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Replace the Throttle Valve Control Module (J338).
If the specified value was not 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 Throttle Valve Control Module (J338) electrical harness connector terminals to the Motronic Engine Control
Module (ECM) (J623) electrical harness connector T60 terminals for an open circuit.
