For Both E-Boxes

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Connector Wire Set VAS 6395/2 To Turbocharger Control Module 1

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-- Disconnect the Turbocharger Control Module 1 -J724- connector.

-- Connect the Connection Cable VAS6395/2 on the Turbocharger Control Module 2 -J724- and on the Electronic Unit (E-Box) VAS6395A/1.

Select on the Electronic Unit (E-Box) VAS6395A/1 display:

Fig 2: Identifying Electronic Unit (E-Box)

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> 1. START
2. NEXT [>]

-- Press the v button -4- to continue.

The Electronic Unit (E-Box) VAS6395 A/1 checks the Turbocharger Control Module 1 -J724- adjustment range in steps to determine if the end points are being reached. "CHECK" appears in the display.

Select on the Electronic Unit (E-Box) VAS6395A/1:

Fig 3: Identifying Electronic Unit (E-Box)

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[OK]

NOTE:

If "[OK]" appears in the display, then the Turbocharger Control Module 1 -J724- adjustment range is OK.

If "FAULT [OK]" appears in the display, tap the side of the Turbocharger Control Module 1 -J724- housing several times with a screwdriver handle and then the v button -4- to repeat the test.

-- Remove the bolt -arrow-.

Fig 4: Identifying Bolt

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NOTE:

All other bolts visible in the illustration must not be removed.

-- Attach the Bracket VAS6395/6 to the center opening in the bracket for the Turbocharger Control Module 1 -J724- and tighten the bolt to 8 Nm.

Fig 5: Identifying Bracket VAS6395/6

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-- Press the v button -4- to continue.

Fig 6: Identifying Electronic Unit (E-Box)

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To determine the voltage, the Turbocharger Control Module 1 -J724- will check back and forth several times between the stops.
Then the Turbocharger Control Module 1 -J724- will go into the in installation position.

-- While determining the voltage, tap on the side of the Turbocharger Control Module 1 -J724- housing with the handle of a screwdriver until the following appears in the display:

Select on the Electronic Unit (E-Box) VAS6395A/1 display:

X, XXX V
[↑][↓][OK]

-- Write down the voltage.

Specified value: 3.3 to 3.7 V.

NOTE:

If "FAULT [OK]" appears or if the voltage is less than 3.3 V or greater than 3.7 V, disconnect the Electronic Unit (E-Box) VAS6395A/1 and repeat the entire procedure, refer to Turbocharger Control Module 1 -J724-, REMOVING AND INSTALLING, VEHICLES WITH A TURBOCHARGER =>For Both E-Boxes .

Select on the VAS6395A/1 display:

Fig 7: Identifying Electronic Unit (E-Box)

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X, XXX V
[↑][↓][OK]

-- Adjust the Turbocharger Control Module 1 -J724- using the ↑ -5- or ↓ -6- buttons so that the coupling rod is accessible for removal.

-- Remove the circlips -arrows- and disconnect the coupling rod.

Fig 8: Identifying Circlips And Coupling Rod

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Select on the Electronic Unit (E-Box) VAS6395A/1 display:

Fig 9: Identifying Electronic Unit (E-Box)

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X, XXX V
[↑][↓][OK]

-- Adjust Turbocharger Control Module 1 -J724- using the ↑ -5- or ↓ -6- buttons so that the bolts for -J724- are accessible.

-- Disconnect the Connection Cable VAS6395/2 from the Turbocharger Control Module 1 -J724-

Fig 10: Identifying Connector Wire Set VAS 6395/2 To Turbocharger Control Module 1

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CAUTION:

The voltage supply for the Electronic Unit (E-Box) VAS6395A/1 must remain connected.

-- Remove the bolts -1, 2 and 3- and dispose of them.

Fig 11: Identifying Bolts 1, 2 And 3

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NOTE:

All other bolts visible in the illustration must not be removed.

-- Remove the old Turbocharger Control Module 1 -J724- and dispose of it.

CAUTION:

Make sure there are 3 insulating washers between the Turbocharger Control Module 1 -J724- and the bracket.

-- Install the new Turbocharger Control Module 1 -J724- in reverse order of removal.

-- Install the new screws as follows:

M6 x 15 with Narrow Shaft
M6 x 15 with Narrow Shaft
M6 x 15

-- Only tighten the bolts by hand.

The Turbocharger Control Module 1 -J724- must contact the retaining plate without play, but is must be possible to move it by hand.

-- Connect the Connection Cable VAS6395/2 on the Turbocharger Control Module 1 -J724-

Fig 12: Identifying Connector Wire Set VAS 6395/2 To Turbocharger Control Module 1

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-- Press the v button -4- to continue.

Fig 13: Identifying Electronic Unit (E-Box)

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Select on the Electronic Unit (E-Box) VAS6395A/1 display:

> 1. START
2. NEXT [>]

-- Select "NEXT" using the ↓ button -6-.

-- Press the v button -4- to continue.

Fig 14: Identifying Electronic Unit (E-Box)

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The Electronic Unit (E-Box) VAS6395 A/1 checks the Turbocharger Control Module 1 -J724- adjustment range in steps to determine if the end points are being reached. "CHECK" appears in the display.

Select on the Electronic Unit (E-Box) VAS6395A/1 display:

X, XXX V
[OK]

NOTE:

If "FAULT" appears in the display, then replace the new Turbocharger Control Module 1 -J724- again.

-- Press the v button -4- to continue.

Fig 15: Identifying Electronic Unit (E-Box)

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Select on the Electronic Unit (E-Box) VAS6395A/1 display:

[OK]

-- Press the v button -4- to continue.

Fig 16: Identifying Electronic Unit (E-Box)

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Select on the Electronic Unit (E-Box) VAS6395A/1 display:

X.XXX V (Starting Up Voltage)
[OK]

The Turbocharger Control Module 1 -J274- moves into the installation position.

-- Install the coupling rod.

Fig 17: Identifying Circlips And Coupling Rod

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Installed position: Attach the thicker eye to the Turbocharger Control Module 1 -J724- shaft.

-- Install the lock washers -arrows-.

The circlips must engage audibly.

-- Gently push the Turbocharger Control Module 1 -J724- to the rear -arrow-, until the lever -1- touches the Bracket VAS6395/6.

Fig 18: Identifying Coupling Rod

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-- Hold the -J724- in this position.

-- Tighten the bolts -1, 2 and 3- to 5 Nm.

Fig 19: Identifying Bolts 1, 2 And 3

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-- Press the v button -4- to continue.

Fig 20: Identifying Electronic Unit (E-Box)

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The Turbocharger Control Module 1 -J274- will move back and forth several times between the stops and will be set to the start up voltage.

Select on the Electronic Unit (E-Box) VAS6395A/1 display:

X.XXX V (Starting Up Voltage)
[OK]

NOTE:

If [OK] appears in the display, stop the adjustment, refer to Turbocharger Control Module 1 -J724-, REMOVING AND INSTALLING, VEHICLES WITH A TURBOCHARGER => Complete The Adjustment .

If "CHECK" appears in the display, continue as follows.

Procedure, if "CHECK" Appears in the Display:

Fig 21: Identifying Electronic Unit (E-Box)

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Select on the Electronic Unit (E-Box) VAS6395A/1 display:

[<<<]
CHECK

[>>>]
CHECK

-- Loosen the bolts -1, 2 and 3- just enough so that is possible to move the Turbocharger Control Module 1 -J724- with slight resistance in the direction specified.

Fig 22: Identifying Bolts 1, 2 And 3

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If [<<<] appears in the display, then slightly move the Turbocharger Control Module 1 -J724- in direction of travel.
If [>>>] appears in the display, slightly move the Turbocharger Control Module 1 -J724- opposite the drive direction.

-- Tighten the bolts -1, 2 and 3- to 5 Nm.

-- Press the v button -4- to continue.

Fig 23: Identifying Electronic Unit (E-Box)

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The Turbocharger Control Module 1 -J274- will move back and forth several times again between the stops and will be set to the start up voltage.

Select on the Electronic Unit (E-Box) VAS6395A/1 display:

X, XXX V
[OK]