A4 Sedan L4-1.8L Turbo (AEB) (1997)
Battery: Testing and Inspection
No-Load Voltage, Checking
No-load Voltage, Checking
CAUTION!
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Battery cell caps must be screwed in tightly when charging, measuring voltage or performing load tests.
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Always comply with the following instructions otherwise a correct measurement cannot be assured.
Special tools, test equipment and auxiliary items
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VAG1715 multimeter or
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VAG1362 mini tester or
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Multimeter (Fluke 83 or equivalent)
NOTE:
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When testing the no-load voltage of a battery installed in a vehicle, make sure the battery Ground (GND) strap is disconnected.
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The battery must not have been under a load for at least two hours before the test.
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The battery must not have been charged at least two hours before the test.
Use the following procedure for testing the voltage of a battery which is not under load:
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Switch ignition off.
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Disconnect battery Ground strap.
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Measure voltage between battery terminals.
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12.5 volts or higher: battery OK
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Below 12.5 volts: recharge battery immediately