Engine Control Module -J623-, Removing And Installing: Removing
WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
-- If the Engine Control Module -J623- is to be replaced, the adaptation values must be read and saved before removing the Engine Control Module -J623-.
-- Connect the Vehicle Diagnostic Tester.
-- Select Diagnostic operating mode and Start Diagnostics .
-- Select the Select Individual Test tab and select the following tree structure consecutively:
- Drivetrain
- Select The Engine Code & Engine
- 01 - OBD-Capable Systems
- 01 - Engine Electronics
- 01 - Engine Electronics, Functions
- 01- Control Module, Replacing
-- Switch off the ignition after saving the file and remove the key.
- If the injector adaptation values from the faulty engine control unit are no longer readable, they must be manually entered and adapted in the new engine control module.
-- Turn off the ignition and remove the ignition key.
-- Remove the battery. Refer to BATTERY, REMOVING AND INSTALLING .
-- Release the retainers in direction of -arrow A- and remove the Engine Control Module -J623- in direction of -arrow B-.
-- Unlock and disconnect the connectors from the Engine Control Module -J623-.