TTS Quattro Roadster L4-2.0L Turbo (CDMA) (2009)
Checking internal resistance
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Disconnect the Intake Air Switch-Over valve ( N335) electrical harness connector.
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Using a multimeter, check the Intake Air Switch-Over valve (N335) terminals 1 to 2 for resistance.
Specified value: 13.6 +/- 5 ohms (at room temp.)
If the specification was not obtained:
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Replace the Intake Air Switch-Over valve (N335 ).
If the specification was obtained:
Checking Voltage supply
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Using a multimeter, check the Intake Air Switch-Over valve (N335) electrical harness connector terminal 1 to Ground (GND).