Why is my battery light on with new battery and alternator?
It is possible that the problems that you have been experiencing with the bad alternators have damaged the battery causing it to be weak. This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.
Why is my battery light on Toyota RAV4?
If your Toyota RAV4 battery warning light comes on while driving, be courageous to turn off your accessories, so the battery doesn’t drain further. The warning light usually means that the alternator isn’t working perfectly meaning you are operating absolutely on battery power.
What does the battery alternator light mean?
Home » Advice Centre. If your battery warning light comes on whilst you’re driving, it means that your battery is no longer being charged by the alternator and is running only on its own charge. That means that your car is only running on battery power that will eventually run out, bringing your car to a halt.
How do you fix a battery light?
What to do if your battery light comes on:
- Inspect the battery. Check your vehicle’s battery for signs of corrosion on or damage to the terminals.
- Check the alternator. Take a look at your alternator for any loose or missing electrical connections.
- Look at the serpentine belt.
- Check your fuses.
- Test the battery.
Is the battery light on on a 4.3 RAV4?
Our 4.3 RAV4 alternators are pretty bulletproof. Make sure you have 12 volts at the big fat wire on the back of the alternator. Also make sure all fuses are good. Disconnect the plug at the alternator, check it for corrosion and damage, plug it back in and see if the light is still on. Normal charging system voltage is between 14.2 and 14.5 volts.
What happens if you have a bad alternator in a RAV4?
The alternator’s job in your Rav4 is to provide electricity as it is running. The battery stores enough voltage to be able to start the engine without the assistance of an alternator. It is turned by a serpentine belt. It’s worth noting that a bad serpentine belt can cause the alternator to stop charging effectively.
What are the symptoms of a bad alternator in a Toyota?
Here are the most common symptoms of a bad alternator in a Toyota Rav4: The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.
What happens if the serpentine belt goes bad on a RAV4?
Nearly all modern vehicles use a serpentine belt to turn the alternator. The serpentine belt turns more than one engine accessory (A/C compressor, power steering, etc). If the serpentine belt goes bad, it will no longer be able to turn your Rav4’s alternator enough for it to get an adequate charge.