A4 Quattro Wagon V6-2.8L (AHA) (1998)
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Check wiring between valve connector terminal 2 and ECM/test box terminal 55 for short circuit to Ground.
Specified value: max. 1 Ohm.
If the wiring is OK:
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Replace Motronic ECM -J220-.
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Carry out adaptation of throttle valve control module to ECM.
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Check readiness code. If Diagnostic Trouble Code (DTC) memory has been erased, or ECM was disconnected, generate new readiness code.
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Checking Readiness Code" See: Powertrain Management/Computers and Control
Systems/Testing and Inspection
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Generating Readiness Code" See: Powertrain Management/Computers and Control
Systems/Testing and Inspection
If no malfunction has been found in any of the previous tests:
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Replace respective mechanical camshaft adjuster.