R8 Quattro Coupe V10-5.2L (BUJ) (2010)
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Checking voltage
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Switch the ignition on.
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Using a Multimeter, Check the Camshaft Adjustment Valve 2 (N208) electrical harness connector terminal 2 to Ground (GND) for voltage.
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring connection from the Camshaft Adjustment Valve 2 (N208) electrical harness connector terminal 2 to the Motronic Engine
Control Module (ECM) Power Supply Relay (J271) socket 2/87 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. Refer to appropriate repair information.
If the manufacturers test box is not being used, perform the following step.
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Remove the Engine Control Module (ECM) 2 (J624). Refer to appropriate repair information.
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Using a Multimeter, check the Camshaft Adjustment Valve 2 (N208) electrical harness connector terminal 1 to the Engine Control Module (ECM)
2 (J624) electrical harness connector T60a for an open circuit.
Specified value: 1.5 ohms Max.
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.
