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Checking battery by measuring current draw - vehicles with battery monitor control unitJ367 or energy management control unitJ64 > < Checking battery - vehicles with battery monitor control unitJ367 or energy management control unitJ644 and data bus diagnostic

A4 Mk2

Checking battery using vehicle diagnostic tester
Checking battery using vehicle diagnostic tester
Special tools and workshop equipment required
t  Vehicle diagnostic tester
Procedure
l  Battery charger must not be connected during battery test and engine must not be running.
l  Battery temperature must be at least 10 °C.
l  Temperature of diagnostic system must be between +5  and 45 °C.
–  Connect vehicle diagnostic tester → Chapter.
  Note
If a fault message appears on the display, refer to → Operating instructions for vehicle diagnostic tester.
–  Select Guided Functions from menu.
   
Display (example):
–  Enter vehicle identification by touching the appropriate message line -1- in accordance with the selection prompt -A-.
–  Select function or path:
  A01-0123
Vehicle brand
 Engine code
  61 - Battery control or
19 - Data bus diagnostic interface or
Service work
   A - Battery, Testing (Repair group 27)

–  Continue to follow the instructions on the display of the vehicle diagnostic tester; the following messages can be displayed:
l  Battery OK.
l  Re-charge battery.
l  Renew battery.
After performing battery test:
–  Press Go to button.
–  Select „End“ function in list.
–  Switch off ignition and separate diagnostic connection.
–  If necessary, re-charge → Chapter or renew battery → Electrical system; Rep. gr.27.
  Note
Observe disposal regulations if battery has to be renewed → Anchor.
   

Checking battery by measuring current draw - vehicles with battery monitor control unitJ367 or energy management control unitJ64 > < Checking battery - vehicles with battery monitor control unitJ367 or energy management control unitJ644 and data bus diagnostic