Anonymous Posted on Sep 14, 2014

I have a 08 scion tc and it will not start. I

I have a 08 scion tc and it will not start. I looked at the battery connections and had the starter tested and swapped around the relays in my fuse box. The car will not turn over and after I try to turn the car on it will make a clicking noise then it will cut the power off. Can you help me?

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Mkoch27

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Posted on Oct 31, 2014

Mkoch27

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I do not know if you have fixed the problem yet. But sounds like your battery is dead. you probably dont have enough voltage to turn the starter. check the battery volts should be 12v or at least 11.8. when it is running with alternator it should be 13v

randymanfive

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Posted on Sep 16, 2014

randymanfive

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Sounds like you need to test battery. If the battery is good, find the fusable link (if there is one) in the battery cable. Also verify your ignition isn'tr shorting out.

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Anonymous

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Posted on Jul 24, 2010

SOURCE: 2003 dodge caravan won't start

My 2003 dodge caravan would not start after driving about 1/2 hour. I stopped for coffee and when got back in to start it started I switched gears and it stalled. I tried to start again switched gears then it started but only for 2 sec. No clicking, no cranking sound just would not start but battery functions were great. Spent 2 days with a mechanic who could not resolve so sent to Dodge. After a day of putting wires back and checking out the problem they said it was the computer. Said that it was bad and could be replaced at no charge due to malfunction. Yes, it worked fine afterwards no more problems. They also said that some of the computers are found to be defective like this one so I hope this helps you in the right choice to have the dealer check it out if you are unable to get a computer reading and there is no obvious short in the system. Free sounded very good but as you know there is no such thing as really free as they got me for other things $350 worth. ouch!

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My 08 scion TC brand new alternator, not charging

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Dec 04, 2023 • Scion Cars & Trucks

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My car starter motor does not turn over.

Hi.

If you do not have any power at all, and the dash is not turning on, then check the battery connections, and the connection from battery ground to the engine body.
Also ensure you have tested the battery. Read the voltage across the positive battery terminal and a ground connection on the engine body. It must be around 12.5V
If there is no problem in there , then the problem is the ignition cylinder. The ignition cylinder can be tested reading voltages at its contacts. This in case there is no power at all.

If instead the dash is turning on, but the starter motor does not turn over, then there may be more reasons for the fault.

To start, look for the starter fuse. This is a large fuse, probably a 30 Amps. Look also for a5 or 10 Amp fuse to the ECU/PCM (main car computer module. If any of this fuses has blown, it can cut power to the starter motor.

After testing the fuses, check the starter relay. This is usually located in the fusepanel under the hood, or under the dash. The relay must click when the key is turned. The relay can be tested in fullusing a Volt meter or an Ohm meter.
The starter relay can also be tested swapping it with a relay of the same kind.

Fuses and starter relay are the most common failure when the car dash comes on, but the car does not start.
If this test good, ensure that the anti theft system is not armed (starter should still turn over by the way).

If fuses and relay are good, read volts at starter motor, while machineis cranking. You will need to use Voltmeter on the contacts at theback of the starter motor solenoid. If there are 12 Volts at startermotor, but motor does not turn over, then starter motor or startersolenoid is faulty.

The starter solenoid can be tested using an Ohmmeter at its contact. Ifthe solenoid is bad, reading with multimeter set on impedance, it willhave no continuity (it will read infinite Ohms).

If there is no volt, or volt is much below 12 Volts, then the problemis either the ignition switch located in the steering column, or aproblem concerning wiring from ignition.

The ignition switch can be tested jumping its contact, reading Volts orOhms on its terminals. To access the switch it is necessary to takeapart the steering column.

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