What does it mean when car says service battery charging system?

What does it mean when car says service battery charging system?

The alternator creates electrical power to run accessories and recharge the battery. If this warning lamp lights up while the engine is running, it means that there is a problem in the charging system, usually that the battery has gone bad or the alternator has stopped working.

What does the battery service light mean?

battery charging problem
A dashboard battery light basically means there’s a battery charging problem. Your car isn’t getting enough voltage from the car battery to operate properly. It needs more “juice!”

How do I check my battery maintenance?

Use the following as a guide when examining your battery:

  1. Check the battery’s state of charge.
  2. Ensure the battery top is clean, dry, free of dirt and grime.
  3. Inspect the terminals, screws, clamps and cables for breakage, damage or loose connections.

How can you tell if you have a bad battery?

Connect the multimeter to the positive and negative battery terminals. If you don’t have a voltage of around 12.6 volts, you may have a bad battery. Now start the car, and look for a revised voltage over 10. If your voltage drops below 5 when the car is running, it is bad and should be replaced right away.

How often should I replace the battery in my Toyota Sienna?

Battery Replacement: 2004-2010 Toyota Sienna – 2006 Toyota Sienna LE 3.3L V6 Replace the battery in your 2006 Toyota Sienna LE 3.3L V6 once every 4 years for optimal performance. Watch this free video to see how to replace a dead battery in your 2006 Toyota Sienna LE 3.3L V6

What’s the Max battery draw on a Toyota Sienna?

The provision for ‘key off operation of power windows’, etc., means that the body ECU is still awake for at least 10 minutes after shut down. I found from a little research that a steady state draw of 75 ma is considered max after everything goes to sleep.

How can I get my Toyota Sienna radio to work again?

In some Siennas, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual – it will usually be either a sticker or small card in the booklet. If you can’t find it, call Toyota and they will give you the code for free.

Why does my Toyota Sienna go to zero?

So I discovered that after pulling the ECU-B fuse, it would drop to zero. Apparently, the ECU-B fuse is what is pulled when Toyotas are sitting in storage for long periods (like, before they go to the lot, etc). I drove the van again, and then it sat in the driveway for about 24 hours.