Electrical system, general information

Performing maintenance test

~1min read

WARNING It is not permissible to test or charge batteries whose colour indicator is 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.

  • Select “Maintenance test” in the menu.
  • Connect scanner.
Note If no scanner is available, write vehicle identification number on test printout by hand.
  • Scan in vehicle identification number.
  • Select “On battery terminal” or “On jump-start point”.
  • Scan in 2D code of battery or manually select type and make in menu.
  • Measure temperature. Hold temperature sensor about 5 cm above terminal connection until temperature stabilises.
  • Start test.
  • Print out test log if necessary.

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.