S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Specified value: 5.0 to 8.0 ohms (at approx. 20° C)
If the specified value was not obtained:
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Replace the Camshaft Adjustment Valve 2 (exhaust) (N319).
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 2 (exhaust) (N319) electrical harness connector terminal 2 to Ground (GND) 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 Camshaft Adjustment Valve 2 (exhaust) (N319) electrical harness connector terminal 2 to the Motronic Engine Control Module (ECM)
Power Supply Relay (J271) terminal 2/87 for an open circuit or a short circuit to Ground (GND).
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Check the wiring connection for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained: