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Additional tester messages
Surface Charge
The battery can hold a surface charge if the engine has been running or after the battery has been charged.
The tester may prompt you to remove the surface charge before it displays a test result.
1. Follow the instructions indicating when to turn the headlights on and off (IN-VEHICLE)
2. The tester will resume testing after it detects that the surface charge is removed.
System Noise
To perform a correct measurement the tester requires the vehicle to be in rest. After the car has been driven
some vehicle specifi c systems might still be active in the background. The tester will detect this and displays
the message
SYSTEM NOISE
. When this message appears switch off all consumers(radio, airconditioning)
and remove the key from the ignition. As soon as there is no more activity in the vehicle the tester will
continue testing and display the test result.
Deep Scan Test
In some cases the tester may need to further analyze the battery to determine whether the battery should
be replaced or it has a signifi cant chance to be recovered. It will then conduct a Deep Scan Test of the battery
for a few seconds. This test will typically be performed on batteries that are in a low state of charge.
Chapter 4: Battery Test
Содержание VAS 6161
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