A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
3 to 5 for resistance.
Specified value: 1.0 to 5.0 ohms (at 20° 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) (J623).
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 not obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.