Passat Sedan L4-2.0L Turbo (BPY) (2007)
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Slowly depress the accelerator pedal to Wide Open Throttle (WOT) stop while observing the percentage display. The percentage display must
increase uniformly.
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Using the scan tool, check the throttle valve position (absolute) at Wide Open Throttle (WOT) stop:
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End diagnosis and switch ignition off.
If the specified values are not obtained:
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Remove the engine cover with air filter.
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Disconnect the Throttle Valve Control Module (J338) electrical harness connector.
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° C)
If the specification was not obtained:
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Replace the Throttle Valve Control Module (J338).
If the specification was obtained:
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.