| Causes of malfunctions | Methods of elimination |
| Accelerated battery discharge during vehicle operation | |
| Alternator drive belt slippage | Adjust the belt tension |
| Generator failure | Check the generator |
| Damage to insulation in electrical equipment system (discharge current more than 1 mA with consumers disconnected) | Find the location of the current leak and repair the damage |
| Short circuit between plates | Replace the battery |
| Connection of consumers of current not provided for by the design in excess of permissible limits | Disconnect new consumers |
| Electrolyte contamination with foreign impurities | Drain the electrolyte, rinse and charge the battery |
| Excessive contamination of the battery surface | Clean the battery |
| The electrolyte level is below the upper edge of the plates | Restore normal electrolyte levels |
| The appearance of electrolyte on the surface of the battery | |
| Elevated electrolyte level causing splashing | Set the electrolyte level to normal |
| Electrolyte leaking through cracks in the housing | Replace the battery |
| Electrolyte boiling due to very high generator voltage | Replace the voltage regulator in the generator |
| Boiling of electrolyte due to sulfation of plates | Replace the battery |
(Original source is on the resource: «www.VazBook.ru»)