Question about 2006 Suzuki Forenza

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What is a control module?

My car acts like it would want to start ,the noticed it is not getting spark to the distrbuter or to some fuses what can be causing that? could it be a relay maybe?

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Cars have many , control modules, most are microcomputer based.
the PCM on the Forenza runs the engine, EFI
spark and fuel and transmission shifting.
can be lots of things,
lost spark
check all fuse first, that means test them if they look good.
second, is use a scan tool to see why it dont start..(spark dead? and why)
there is no distributor on a 06. !
but there are 4 engines, used, not posting which engine, makes help near impossible.
most cars, 06, suzuki, usa , have a single coil pack
it has 4 coils inside ,one for each cylinder.
so are all 4 coils dead? is that it?
spark leaves the coil pack it never has sparking going it to it.
the coil if fired from the PCM
the PCM fires the coil with and ignitor.
the PCM fires the igniter if the CMP and CKP sensors work.

see coil pack below?
if all 4 are dead, we scan it after fuse checks. always....

what is a control module? - 25639215-ihp05ysbqqemvnouron5vxff-1-0.jpg

Posted on Apr 12, 2015

Testimonial: "Thank you for the information it has helped me to figure out what to check next ,it was very helpful,and I'm grateful that theirs people like you willing to share and not expecting to get paid, believe me many of us have not the money to go to a machanic"

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  • dimbulb
    dimbulb Apr 13, 2015

    check fuses first,. scan it cranking, check that all 4 sparks are dead. if spark is good to #1 then check timiing, if way off, the cam drive slipped.

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    _-__-___-_ Apr 14, 2015

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    _-__-___-_ Apr 14, 2015

    there is the full FSM on the car. its only 4 bucks to read, and advised, there are 4 engines, not just 1 . each runs different EFI fuel and spark systems. see link to the official suzuki book. (USA)

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    _-__-___-_ Apr 14, 2015

    check fuses first, and then scan it 2nd. while cranking, most times the PCM (brain) will tell you why there is no spark, like a dead cmp or ckp . or dead ignitor.


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Does engine start if you use wide open throttle (oper guide method2)
or with test fuel?
replace spark plugs in last 9 years>

Posted on Apr 13, 2015

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