A3 Quattro V6-3.2L (BUB) (2008)
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Using a Multimeter, check the Camshaft Adjustment Valve 1 N205 or Camshaft Adjustment Valve 1 (exhaust) N318 for resistance.
Specified value: 5.0 to 8.0 Ohms (at approx. 20 degrees C)
If the specified value was not obtained:
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Replace the Camshaft Adjustment Valve 1 N205 or Camshaft Adjustment Valve 1 (exhaust) N318.
If the specified value was obtained:
Checking voltage
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Switch the ignition on.
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Using a Multimeter, Check the Camshaft Adjustment Valve 1 N205 or Camshaft Adjustment Valve 1 (exhaust) N318 electrical harness connector
terminal to the Motronic Engine Control Module (ECM) Power Supply Relay J271 terminal 2/87 for voltage.
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Switch the ignition off.
Specified value: battery voltage.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
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) J220.
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Using a Multimeter, Check the Camshaft Adjustment Valve 1 N205 or Camshaft Adjustment Valve 1 (exhaust) N318 electrical harness connector
terminal 2 to the Motronic Engine Control Module (ECM) electrical harness connector for an open circuit.
Camshaft Adjustment Valve 1
Motronic Engine Control Module
N205 electrical harness
(ECM) electrical harness connector
connector terminal
T121 terminal or test box socket
2
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