Why does my car not start when the battery is off?
Broadly, if the immobilizer is off, and the battery is fully charged, either the starter motor/solenoid assembly is faulty or the electrical circuit supplying the motor has a fault. That circuit begins at the battery and includes grounds, wiring (some of which is very heavy cabling), fuses, relays, the ignition switch and terminations.
Can a dead alternator cause a car to not start?
As long as the car battery is FULLY charged and not defective, the battery alone provides all of the power required for ignition and starting. However, a dead alternator will, of course, not re-charge a battery and the battery will slowly die once you run a car with a dead alternator.
What to do if your Toyota won’t start?
Battery – If the connections on your battery become corroded, there is no longer a connection to the rest of the car. This can keep you from starting. Clean the posts and try to start the car. Additionally, the battery may be dead. Take a battery tester and test the cranking amps to see if they are weak.
Why does my Toyota Prius not start up?
If you get no lights and your battery is working, the ignition switch could be to blame. If you get dash lights, then turn the key to start to see if the lights go out on the dash. If the lights go out, your ignition switch is okay. Starter Connection – Corrosion on the starter can keep the car from starting.
What causes a Honda Pilot to not start?
While there are a variety of reasons your Honda Pilot won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed? Correcting most no-start problems usually involves replacing the alternator, starter or battery, cleaning connections, ignition system repairs, or fuel system repairs.
Why does my car not start after I replace the battery?
Evaluating Your Car’s Key Systems for Possible Failure. There are many other possible problems that could lead to the fact that, after you’ve replaced the battery, the car won’t start. One or more of several key systems might not run properly, or there could be a serious malfunction with the electrical system.
Can you start a new Honda Pilot question?
Very frustrating! Start a new Honda Pilot question. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.
What happens when the starter fails to start?
Starter motor failure produces one common symptom across all makes and models: When you turn the key, the starter solenoid will click, but the engine will not rotate. You also Read More When the computer senses the engine is out of time, it will turn on the check engine light. The engine may stall or even just fail to start.