S4 V8-4.2L (BHF) (2004)
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Battery: Testing and Inspection
Battery, Testing
Battery, Testing
CAUTION:
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Prior to handling or servicing batteries, read, understand and observe the Warning and Safety Measures for lead-acid batteries.
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Always wear suitable protective clothing.
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DO NOT battery test batteries which are gassing. Otherwise there is a risk of explosion.
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The following notes and procedures must be followed to ensure correct measurements.
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When disposing of batteries, always pay attention to the appropriate regulations for batteries and sulfuric acid.
NOTE:
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In order to better determine a batterys overall condition, it is recommended to always perform the battery test in conjunction with the electrolyte
specific gravity test
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Always follow the battery tester operating instructions.
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It is not necessary to remove battery from vehicle or disconnect battery terminals.
Special tools, testers and auxiliary items required
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Battery Test Kit Midtronics MCR 340V (VAG tester illustrated here for reference only).
CAUTION:
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Switch off all electrical consumers.
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Switch ignition off and remove ignition key.
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Check no-load voltage
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Connect tester cable clamps to battery terminal MCR 340V Instruction Manual Tester leads must be securely fastened and make proper contact
with the battery posts.
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Select test mode "IN-VEHICLE" or "OUT-OF-VEHICLE" (refer to MCR 340V Instruction Manual).
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Select battery type (AGR or conventional) (refer to MCR 340V Instruction Manual).
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Set tester to "Warranty Test" (refer to MCR 340V Instruction Manual).
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Perform battery test by setting load current on tester according to battery (DIN) capacity (refer to MCR 340V Instruction Manual).
NOTE: Use print function of MCR 340V where test results are required for warranty claims.
Battery test results:
Battery Tester Display / Printout
Required action
Good Battery
None
Good - Recharge
Charge battery where necessary
Use in CHARGE
Charge battery
Replace Battery
Replace battery
Bad Cell - Replace
Replace battery
