TTS Quattro Roadster L4-2.0L Turbo (CDMA) (2009)
If the specified value was not obtained:
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Check and/or repair wiring as required.
If the specified value was obtained:
Checking internal resistance
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Using a multimeter, check the Intake Flap Motor ( V157)/Intake Manifold Runner Position Sensor ( G336) electrical terminals 2 to 3 for
resistance.
Specified value: 7-25 ohms (at approx. 20° C)
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Using a multimeter, check the Intake Manifold Runner Position Sensor (G336) electrical terminals 1 to 3 for resistance.
Specified value: 244 [+/- 40] ohms (at approx. 20° C)
If the specified values were not obtained:
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Replace the Intake Flap Motor (V157)/Intake Manifold Runner Position Sensor (G336).
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.
If the manufacturers test box is not being used, perform the following step.
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Remove the Motronic Engine Control Module (ECM) ( J623).
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Using a multimeter, check the Intake Flap Motor ( V157)/Intake Manifold Runner Position Sensor ( G336) electrical harness connector terminals
to the Motronic Engine Control Module (ECM) (J623) electrical harness connector T60 terminals for an open circuit.
Specified value: 1.5 ohms Max.
If the specification was not obtained:
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Check the wiring for a short circuit to Battery (+), 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 faulty wiring connection.
If no malfunction is detected in the wiring:
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Replace the Motronic Engine Control Module (ECM) (J623).
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Install the engine cover with air filter.
Final procedures
After the repair work, the following work steps must be performed in the following sequence: