Volkswagen Workshop Manuals
Eos (1F7) V6-3.2L (BUB) (2008)
Powertrain Management > Computers and Control Systems > Electronic Throttle Actuator > Component Information > Locations > Page 2790
Electronic Throttle Actuator: Description and Operation
Electronic Power Control System
For "EPC", the throttle valve is not operated by a cable from the accelerator pedal. There is no mechanical connection between the accelerator pedal
The position of the accelerator pedal is communicated to Engine Control Module (ECM) (J623) via Throttle Position (TP) Sensor (G79)/Accelerator
The accelerator pedal position (driver's intention) is a main input unit for the Engine Control Module (ECM) (J623).
Operation of the throttle valve occurs via an electric motor (Throttle Drive (for Electronic Power Control (EPC)) (G186)) in the Throttle Valve
Throttle valve is operated by Throttle Drive (for Electronic Power Control (EPC)) (G186) according to specifications of Engine Control Module
With engine off and ignition switched on, Engine Control Module (ECM) (J623) controls the Throttle Drive (for Electronic Power Control (EPC)) (
With engine running (under load), Engine Control Module (ECM) (J623) can open or close the throttle valve independently of Throttle Position (TP)
This means, for example, that the throttle valve could be fully opened even though the accelerator pedal has only been depressed half way. This has
In addition to this, it results in significantly better values relative to emissions and consumption under certain load conditions.
It would be incorrect to think that "EPC" consists of only one or two components. "EPC" is much more of a system containing all components that
Observe Safety Precautions.
Observe rules for cleanliness.
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