Battery Diagnosis
Battery Test
Important: In
general, the safety stipulations for the electrics/electronics
should be observed for vehicle batteries .
The battery tester KM-J-42000-EU-B was
introduced as dealer's equipment as of model year 2010. It permits
reliable and fast definition of the current condition of the
battery. This is important both for diagnosis on batteries in the
vehicle and also for stored batteries. When carrying out diagnosis
on installed batteries it is not necessary to remove or disconnect
the battery when using this tester. After performing the test, the
battery states the result for the condition of the battery as plain
text. Issuing a test code is additional and serves to summarise the
results for warranty claims. In a warranty situation, the test code
issued must be entered by hand on the warranty claim. The safety
regulations must be observed in charging procedures arising as a
consequence of the test. The battery must be disconnected for
charging.
Note: Do not carry
out the battery test directly after charging. You should leave
12-24 hours between charging and battery testing, or consumers
(headlamps, rear screen heating) should be switched on for approx.
3 minutes. The battery test can then be carried out.
Note: A battery that
has been charged with a low voltage (<= 14,9 V ) may be been found to be "good" by the
tester although the battery eye remains black due to "acid
layering". These batteries must not be replaced, since the battery
eye will turn green whilst driving due to electrolyte mixing.
Mounting
Note: Batteries which
have been stored for any length of time must be charged approx.
every 6 months. In the case of laid-up vehicles, the ground cable
must be disconnected from the battery and the battery charge topped
up every 6 months. When stored batteries are used, the batteries
which have been in storage the longest must be used first.
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