A3 L4-2.0L Turbo (BPY) (2006)
Variable Induction Position Sensor: Testing and Inspection
Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336, Checking
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Motronic Engine Control Module (ECM) J220 fuses OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Vehicles with automatic transmission, shift selector lever into position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
Procedure
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Remove the engine cover with air filter.
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Disconnect the Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336 electrical harness connector - arrow -.
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Switch the ignition on.
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Using a multimeter , check the Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336 electrical harness connector terminals 1 to
3 for voltage.
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Specified value: about 5 V