TT Quattro Coupe V6-3.2L (BHE) (2005)
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Remove the air hose - arrows -.
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Disconnect the Throttle Valve Control Module J338 electrical harness connector - 3 -.
Checking internal resistance
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Using a multimeter, check the Throttle Drive (for Electronic Power Control (EPC)) G186 at the Throttle Valve Control Module J338 terminals 3
to 5 for resistance.
Specified value: 1.0 to 5.0 Ohms (at 20 degrees C)
If the specification was not obtained:
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Replace the Throttle Valve Control Module J338.
If the specification was obtained:
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Check the voltage supply of the Throttle Valve Control Module J338 to the Motronic Engine Control Module (ECM) J220.
Checking voltage supply and wiring
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Switch the ignition on.
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Using a Multimeter, check the Throttle Drive (for Electronic Power Control (EPC)) G186 at the Throttle Valve Control Module J338 electrical
harness connector terminals 2 to 6 for voltage.
Specified value: at least 4.5 V
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Switch the ignition off.
If the specification was obtained:
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Replace the Throttle Valve Control Module J338.
