Throttle Valve Control Module -J338-, CHECKING: Function
WARNING: This page is about a different car, the 2015 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.
Throttle valve operation occurs by an electric motor identified as EPC Throttle Drive -G186- located within the Throttle Valve Control Module - J338-. It is controlled by the Engine Control Module - J623- with primary inputs from the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185- as well as other peripheral inputs from Throttle Position Sensor -G69- and EPC Throttle Drive Angle Sensor 2 -G188-.
The Throttle Valve Control Module -J338- contains the following components:
- EPC Throttle Drive -G186-
- Throttle Position Sensor -G69-
- EPC Throttle Drive Angle Sensor 2 -G188-
The Throttle Valve Control Module -J338- components cannot be serviced separately, it must be serviced as a unit.
Special tools and workshop equipment required
- Multimeter
- Wiring Diagram
- Scan Tool