If a perfectly good battery suddenly becomes "sluggish", then most often some "silent" consumer is sucking its "juice" from the on-board network. Check the voltage. If necessary, then surround this anonymous consumer.
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ORDER OF EXECUTION |
- Disconnect the negative battery cable, connect the multimeter cable between the negative pole and the battery cable. If the device shows the presence of current, it comes from the defective consumer.
- Connect the ground wire, open the fuse box and pull out one fuse. If there is no current, the corresponding circuit is OK. Weak current is also not an alarm signal, such devices as the on-board computer, clock, radio and emergency systems are constantly under the "eye" of the battery. Their current consumption is, of course, much less than that of a defective consumer.
- Repeat the measurements using the fuse block until the multimeter registers a strong current. Using the fuse table (see Fuse and Relay Layout), see which consumers are "sitting" on this electrical circuit.
- Disconnect the corresponding consumers one by one and measure the voltage. When the multimeter shows no voltage, it will be clear which consumer is "stealing".
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