A3 L4-2.0L Turbo (BPY) (2006)
If the specified values are not obtained:
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Remove the Throttle Valve Control Module J338 far enough so that the electrical connector terminals are reached.
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Disconnect the Throttle Valve Control Module J338 electrical harness connector - arrow -.
Checking 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