How do you test a Hilux alternator?
Toyota Hilux Bad Alternator Diagnosis
- Get a multimeter.
- Set it to read voltage.
- With your Hilux turned off, you’ll connect the negative side of the meter to the negative battery post or wire.
- Now that you have this baseline, it’s time to turn the engine on.
- With the engine just fired up, you should get over 14.2 volts.
What does an alternator do when it fails?
When the alternator is failing, it cannot provide the car with enough electrical energy, and as a result, the battery starts to make up some of the slack. In addition, when the alternator is not working it doesn’t provide any regenerative charge to the car battery which can also cause the battery to drain.
Can a bad alternator leave a Toyota Hilux without power?
A bad alternator can leave your Toyota Hilux without power and unable to move. Alternators don’t always go bad in the exact same way. We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).
Why does my Toyota Hilux have a dead battery?
The alternator may be charging still, but just not enough to cover the electrical needs of your Hilux. A dead battery is the end result of an alternator not charging enough.
What does it mean when your alternator is not working?
If your alternator is no longer capable of charging the battery, the battery light will come on. It’s a warning light that indicates that the voltage in the battery is not sufficient. The alternator may be charging still, but just not enough to cover the electrical needs of your Hilux.
What should the volts be on a Toyota Hilux?
With your Hilux turned off, you’ll connect the negative side of the meter to the negative battery post or wire. You’ll then touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.