Throttle Valve Control Module -GX3-, CLEANING

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Acetone, commercially available
Brush

NOTE:

If a new Engine Control Module -J623- is installed, then it must be adapted to the throttle valve control module.

Dirt and coking on the end stop can produce incorrect adaptation values.

The throttle valve connections must not be scratched when cleaning.

-- Remove the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module -GX3-, REMOVING AND INSTALLING .

-- Open the throttle valve by hand and lock it in this position using a plastic or wood wedge -arrow-.

Fig 1: Locating Throttle Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

Risk of injury from acetone. Acetone is highly flammable and can cause eye and skin irritation.

- Wear protective eyewear.

- Wear safety gloves.

-- Clean the throttle valve connection thoroughly with acetone and a brush especially in the area -arrows- near the closed throttle valve.

Fig 2: Identifying Cleaning Locations

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Wipe the throttle valve connections with a lint-free cloth.

-- Let the acetone dry completely.

-- Install the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module -GX3-, REMOVING AND INSTALLING .

-- Erase the adaptation values and then adapt the Engine Control Module -J623- to the Throttle Valve Control Module -GX3-. To do this, use a Vehicle Diagnostic Tester.