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What sends power to the coil pack - Cars & Trucks

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It should be fed by the ecu check all your fuse's and plugs this could be due to an imobilisa falt

Posted on Dec 31, 2013

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What energises coil pack


Its not what energizes the coil pack, but what controls it, and that is the ignition control module, or ICM. The power to the coil pack is or should be constant, anytime the key is in on or run. The power may be from the switch or from the engine computer, but it is constant.

The ICM takes this primary circuit current from the coils and controls the coils that way. When a coils primary circuit is cut by the ICM, a spark is delivered out top of the coil. The ICM does this when the computer determines spark is needed and sends a signal to the ICM.

A few other things it could be, too, causing no spark, like the crankshaft sensor, or the pcm, but often it is the ignition control module.

Mar 08, 2015 | Cars & Trucks

2 Answers

Power do not com to distributor how can i check first


take the wire of the coil and using a multimeter set on volts check for power from the ignition switch. If none run the fault codes as it could be immobiliser, cam/crank position sensors. check that the camshaft /distributor is turning.

Jan 03, 2015 | 1991 Toyota Corolla

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2006 Suzuki forenza no fire from coil pack


what country? this is the WWW, post country for better answers.......!
Only a scope can see the fast 5mS signals to the coil.
so its either the coil pack or the ECU blown. (wires are always suspect)
you never said , all 4 are dead, or 1 or 2, and how many packs.
some non usa cars have wasted (2pak) spark , not 4 COPS.
state what cylinders have spark and which don't.
there are only 2 ways to fix cars.
1: guess and swap parts
2: use tools. my guess is you dont have them.
some coil packs are active (ignitor inside) others just a coil.
you can test the restance of the coils, with a DMM , ohm meter.
if active you cant.
the fsm covers this on all cars.
https://suzukipitstopplus.com/category/3-suzuki-service-manuals.aspx
the 2006 Forenza as delivered to USA has.....
has a large single, dual wasted spark coil pack. (brick)
it does in fact have , internal ignitor drivers. inside. so can not be tested
with and ohm meter on the primary side. but can be on the secondary
you do know how to test wasted spark , right, All spark plugs must be
attached and grounded for the coil to work,
1and 4 are shared.
2 and 3 are shared.
so to test , you must keep the spark plugs (both or all 4 is best)
attached and the shells of spark plugs grounded.
there is a fuse that powers the coil pack. (usa)
the fuel pump relay sends power to the coil pack.
so of that is dead,so will be the pack. (im reading FSM as it type)
get an FSM.
pin 2 on coil pack is power. 12v.
pin 1,is spark 1&4 drive (fast ECU pulse)
pin 3 is 2&3 coil drive. (scope can see it)

recap, are you using the correct wasted spark testing method.
and are all 4 spark plugs dead.?

Feb 18, 2013 | Suzuki Forenza Cars & Trucks

2 Answers

I dont have any spark. have power to the coil pack just nothing past that. what to do??


Check the crank shaft postioning sensor. If you are getting power to the coil pack and there is no power coming out of the coil pack the coil pack might be bad or have corrioson between the coil pack and the mount. Thanks

Mar 07, 2011 | 1999 Mitsubishi Eclipse

1 Answer

Car does not seem to have spark.where is ignition coil car


There's a coil pack that usually sits right on top of the engine. Follow the spark plug wires. Usually the coil pack won't fail completely you might lose 2 cylinders but not all 6. Are you getting a check engine light? It could be the cam or crankshaft sensor, they send signals to the coil pack via the power train control modual.

Nov 30, 2009 | 1996 Ford Windstar

1 Answer

Where is the distributor located in the 2000 isuzu trooper?


Should be on the back side of the motor, but i believe that in that year Isuzu trooper got away from using distributors, rotors, coil packs etc. It is electronic igniton meaning that the power delivery is controlled by computer sending the firing codes to the individual coil pack above the spark plugs. I could be wrong but the research I did on your behalf turned up nothing for that year. I searched advanceautoparts.com as well for a replacement distirbutor and there is no part found, only the coil pack I mentioned above.

Oct 06, 2009 | 2000 Isuzu Rodeo

3 Answers

MY 1999 Ford Explorer will not start.


Does the the check engine light come on when you turn the key on? Have you had it scanned? If the computer is down it might be a pcm power relay. The problem also might be a crank sensor.

May 16, 2009 | 1999 Ford Explorer

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