VW Golf manuals

Volkswagen Golf Service & Repair Manual: Performing battery test with Midtronics -MCR340V- battery tester

Prerequisites:
  WARNING
Before working on the battery, read through the warning and safety regulations carefully, and comply with them → Chapter.
It is not permissible to test or charge batteries whose magic eye shows light yellow. Do not slave/jump start the vehicle!
Danger of explosion when checking and charging or slave/jump starting.
These batteries must be renewed.
–  Read general description → Chapter.
–  Perform visual check → Chapter.
–  Open bonnet or cover for other installation location of battery.
–  Determine whether battery type is “Standard” or “AGM”.
–  Remove covers from battery positive and negative terminals.
–  Use wing covers or other kinds of cover before you use equipment in engine compartment or interior.
–  Close all doors.
  Note
Battery temperature must be at least 10°C.
For additional information, refer to the → operating manual INC 940.
Perform test:
  WARNING
It is not permissible to test or charge batteries whose magic eye shows light yellow. Do not slave/jump start the vehicle!
Danger of explosion when checking and charging or slave/jump starting.
These batteries must be renewed.
–  Switch off ignition and all electrical consumers.
–  Check magic eye on batteries with magic eye → Chapter.
–  Switch tester on.
–  Connect red terminal “+” of tester to positive terminal.
–  Connect black terminal “-” of tester to negative terminal.
  Note
Ensure test clamps have a good contact!
–  Select “In vehicle” or “Outside vehicle”.
–  Select “Warranty test”.
  Note
Use the print function of the Midtronics -MCR340- tester if the test results are required for handling warranty applications.
–  Select battery type “Standard ” or “AGM”.
–  Make a note of the DIN value of the battery as shown on the battery sticker. If there is no DIN value on the sticker, make a note of the SAE value.
–  Enter DIN value in tester and perform battery test → operating manual MCR340V.
–  If you are using SAE value, access “Miscellaneous” menu and change from “DIN” to “SAE” → operating manual MCR340V.
  Note
Always use DIN value from battery sticker! Otherwise, test result will be falsified.
   
Assessing test results
Results of battery test:
   
Battery test results Measures
Battery OK None
Good - charge Charge battery → Chapter.
Use Incharge Charge battery → Chapter.
Renew battery Renew battery → Electrical system; Rep. gr.27
Battery cell defective Renew battery → Electrical system; Rep. gr.27
General description
  WARNING Danger of injury. Before working on the battery, read through the warning and saf ...

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