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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (3.0L - Turbocharger & Supercharger - Engine Code: CNRB) >> 21 Turbocharger, Supercharger >> Turbocharger >> Turbocharger Control Module 1 -J724-, REMOVING AND INSTALLING >> Removing >> Notes

Turbocharger Control Module 1 -J724-, REMOVING AND INSTALLING: Removing: Notes

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing Engine Cover
GWWA10-11000Courtesy of AUDI OF AMERICA, LLC

-- Carefully pull the engine cover off the four retaining pins one after the other in direction of -arrows-.

-- Release the cover and pivot it to the side -arrow-.

Fig 2: Opening Cover Over Terminal 30 Wire Junction 2 -Tv22- -Arrow-
GWWA10-11386Courtesy of AUDI OF AMERICA, LLC

-- Connect the E-Positioner Service Kit - E-Box VAS6395A/1 or Tester for E-Positioner - E-Box VAS6395B/1 with Turbo E-Positioner Service Kit - Wire Set VAS6395/2 to positive terminal -2- and to the Ground (GND).

NOTE:

Ignore item -1-.

Procedure for Tester for E-Positioner - E-Box VAS6395B/1:

Fig 3: Identifying Electronic Unit (E-Box)
GWWA21-10601Courtesy of AUDI OF AMERICA, LLC

-- Select the software version using the ↑  -5- and ↓  -6- buttons.

-- Press the button -4- to confirm the software version.

Fig 4: Identifying Procedure For Tool For Replacing E-Positioner On Turbo VAS 6395/1A
GWWA21-10495Courtesy of AUDI OF AMERICA, LLC
NOTE:

In this example, Hella software -1- is selected.

Procedure for E-Positioner Service Kit - E-Box VAS6395A/1:

Fig 5: Identifying VAS 6395/1 Software Version
GWWA21-10171Courtesy of AUDI OF AMERICA, LLC

Check the software version of the E-Positioner Service Kit - E-Box VAS6395A/1:

CAUTION:

Danger of damaging the Turbocharger Control Module 1 -J724-.

  • Make sure the correct software is loaded in the Turbo E-Positioner Service Kit - E-Box VAS6395/1 before performing the following procedure:

If the correct software is loaded, the following will be displayed on the E-Positioner Service Kit - E-Box VAS6395A/1 (2 seconds after the voltage supply is connected):

  1. > 1. START
  2. 2. NEXT [>]
NOTE:

If the following appears in the display, then incorrect software has been loaded:

1. >TEST

2. LEARN

In this case, download the correct software from the "information platform of the importer".

Continue with For both E-boxes.