Battery, 48 V -A6-, REMOVING AND INSTALLING, 0K4 AND VH2: Installing

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Courtesy of AUDI OF AMERICA, LLC

Install in the reverse order of removal while noting the following:

-- When the ignition and electrical equipment are switched off, connect the battery in the following sequence:

-- First connect the battery positive cable terminal clamp -3- to the battery positive terminal "+" by hand and tighten the nut.

-- Connect the battery ground cable terminal clamp -1- to the battery negative terminal "-" by hand and tighten the nut.

-- Attach the caps until they engage audibly.

-- Connect the connector -2-.

-- Check the battery for secure fit after installation.

-- Install the Battery -A-. Refer to Battery -A-, REMOVING AND INSTALLING, 0K4 AND VH2 .

-- If the Battery, 48 V -A6- was replaced, the new Battery, 48 V -A6- must be adapted.

Procedure

-- Connect the Vehicle Diagnostic Tester.

-- Select the Diagnostic mode and start the diagnosis.

-- Select the Test plan tab.

-- Select the Select individual test button and select the following tree structure consecutively:

Body
Electrical system
0001 - OBD-capable systems
0021 - 48V battery management -A6-
0021 - 48V battery management, functions
0021 - Replacing control module (Battery, 48 V -A6-)

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.