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Question about 7thgen's Ignition System?

 
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Old Nov 29, 2004
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Question about 7thgen's Ignition System?

I am currently learning about electronic ignition systems in school right now, and was wondering which type of ignition system we have? I am thinking it is the direct ignition system, but am unsure. because the direct ignition system has no secondary wires or conductor strips, yet there are wires that connect to the coil in our car.

I am unsure because we have a coil over the plug for each spark plug, and at the top of the coil there is a connecter which connects a wire which runs to the small cylinder piece that sits next to the engine, now what is that cylinder piece called? If you look next to the engine, there is a cylinder which has two connecters on it, one that connects the wires from the coils and one that goes into the engine block, I am wondering what that thing is called?

Also what type of triggering device do we use to send the signal to the ignition control module to turn the power transitor off to collapes the magnetic field in the primary windings and induce voltage in the secondary windings?

I am also assuming the ignition control module determines which cylinder gets the spark at what time. Someone please let me know about the other questions I had
Old Nov 30, 2004
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if you dont mind me asking what is the purpose of knowing such knowledge..???.. anyway our cars are direct fire packs(coils) basically distibutorless systems
Old Nov 30, 2004
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The ignition system is indeed, a distributorless Coil on Plug system. There is one coil for each plug. The wires that plug into the coil go to the ECU, power, and ground. The ecu controls when the coil is on or off, to determine when the spark plug fires.

Which small cylinder peice do you refer to? Theres quite a few of them in the engine bay.

The ECU determines when to fire the plugs based on a crank angle sensor and cam angle sensor. The crank sensor tells it where the crankshaft is, and the cam sensor tells the ecu which cylinder is supposed to fire.
Old Nov 30, 2004
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Originally Posted by xproductionz
if you dont mind me asking what is the purpose of knowing such knowledge..???.. anyway our cars are direct fire packs(coils) basically distibutorless systems
I am training to be a technician, knowing this information about cars is critical to being a diagnostician.
Old Nov 30, 2004
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Isn't a diagnostician generally a medical term?
Old Nov 30, 2004
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Originally Posted by 4drcivic2k1
Isn't a diagnostician generally a medical term?
yea.. thats what i thought.. the wire piece you are refering to that goes into the motor also determines TDC
Old Dec 5, 2004
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now what I am trying to figure out is where our Ignition control module is? I thought it was next to the engine but I was wrong. What is the thing next to the engine on the ex model. It is the cylinder looking thing with 2 connections coming out of it.
 
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