A5 Quattro Coupe V6-3.2L (CALA) (2009)
Specified value: 450 to 1000 ohms.
If the specified value was not obtained:
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Replace the Intake Manifold Tuning (IMT) Valve Position Sensor (G513).
If the specified value was obtained:
Checking voltage
Crank the engine.
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Using a multimeter, check the Intake Manifold Tuning (IMT) Valve Position Sensor (G513) electrical harness connector terminal 1 to ground
(GND) for voltage.
Specified value: approx. 5 V
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring from the Intake Manifold Tuning (IMT) Valve Position Sensor (G513) electrical harness connector terminal 1 to the Secondary
Air Injection (AIR) Pump Relay (J299) socket 4 for a short circuit to Ground (GND), or an open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If no malfunctions are found in the wiring: