Electronic Throttle Control Module: Service and Repair

Throttle Valve Control Module

Special tools, testers and auxiliary items required
- Hose Clamps Up to 25 mm dia. 3094
- Torque wrench V.A.G 1410
- Spring-type clip pliers VAS 5024 A

Removing

NOTE: Observe rules for cleanliness.

- Remove engine cover.







- Remove intake hose - 4 - between Throttle Valve Control Module J338 and Mass Air Flow (MAF) Sensor G70. To do so, disconnect air hoses - 1 - and - 2 - (compress securing ring) and remove spring clamp - 3 -.







- Disconnect connector - 1 - and bleeder hose - 2 -.
- Remove bolts - arrows -.

NOTE: Seal intake channel in intake manifold using a clean rag.







- Clamp off coolant hoses using Hose Clamps Up to 25 mm dia. 3094 and disconnect them from throttle valve connection - arrows -.

NOTE: Coolant hoses only for Throttle Valve Control Module J338 heated by coolant

Installing
Installation is in reverse order of removal. When doing this note the following:
- Replace sealing ring for throttle valve control module if damaged.







- Make sure air hoses - 1 - and - 2 - are fitted securely.
- During replacement, erase adaptation values and adapt Engine Control Module (ECM) to throttle valve control module see Vehicle Diagnosis, Testing and Information System VAS 5051 "Guided Functions".

Tightening torques:

Component Nm
Throttle valve control 6.5 Nm
module to intake manifold