When does the alternator warning light shut off?
When you start the engine, the car will check to make sure the alternator is outputting the correct voltage. This warning light will shut off after a few seconds if the computer has determined that the alternator is functional.
Why is the battery light on but the alternator is charging?
1 Check for Corrosion. In some car models, the fumes from the regular functions lead to corrosion to collect on the battery terminals. 2 Clean the Car Battery Terminals. If you notice some corrosion or grime around the battery terminals, it might be the reason why the car battery light is still on. 3 Tighten the Battery Clamps. …
Why does my car say battery alternator VISIT WORKSHOP?
Basically, car works fine… but at least once a day it gives me a “BATTERY ALTERNATOR- VISIT WORKSHOP” message… only pattern I see is that its usually cold out, but it could just be a coincidence.
What should I do Before I replace my alternator?
Before you replace the alternator make sure that your battery is not the problem. One thing you can do to troubleshoot your car is to go to Advance Auto Parts or AutoZone and have them do a FREE alternator / battery check. This test may be able to point you in the right direction. 3. Secondary Battery / Auxiliary Battery.
When do I get battery / alternator VISIT WORKSHOP warning?
Typically you get BATTERY/ALTERNATOR VISIT WORKSHOP warning when the electrical system voltage in the car is below 12.6 volt. When the car is running the alternator produces electricity and the voltage should be above 13.5 volt.
What does it mean when battery and alternator are switched off?
In this case you may get error message saying: malfunction electrical consumers switched off. Check your batteries and alternator. • The battery control module (BCM) also activates the battery isolating relay (K57/2) if necessary. A distinction is made between 2 states:
What to do if your alternator is bad in your car?
One thing you can do to troubleshoot your car is to go to Advance Auto Parts or AutoZone and have them do a FREE alternator / battery check. This test may be able to point you in the right direction. 3. Secondary Battery / Auxiliary Battery. Some Mercedes Benz models such as the E Class or the CLS Class have a secondary battery.
What should voltage be when alternator is running?
When the car is running the alternator produces electricity and the voltage should be above 13.5 volt. If you have a multimeter like this one, you can connect it to the battery terminals to get a voltage reading. Main battery is near the end of it’s life. Secondary (Aux) Battery needs replacing (if applicable).