Passat Wagon L4-2.0L Turbo (BPY) (2008)
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Variable Induction Control Valve: Testing and Inspection
Intake Flap Motor V157 And Intake Manifold Runner Position Sensor G336, Checking
The Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336 are one component and cannot be serviced separately.
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) J623 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.
Test procedure
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Perform a preliminary check to verify the customers complaint. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check
Start diagnosis
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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
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Switch ignition off.
If the specified value was obtained:
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Replace the Intake Flap Motor V157 / Intake Manifold Runner Position Sensor G336.
If the specified value was not obtained:
