ignition condenser question
09-14-12, 09:19 PM
#1
ignition condenser question
quick question guys. im doing an s5 swap in an fb and want to know how the fc ignition condenser setup is. is there just one condenser for both coil packs? or one for each coil pack?
also what is the mini single pin black connector on the fc leading coil for?
thanks all
Matt
also what is the mini single pin black connector on the fc leading coil for?
thanks all
Matt
09-14-12, 09:55 PM
#2
what is the mini single pin black connector on the fc leading coil for?
Answer: It is a diagnostic connector to measure the rpm.
is there just one condenser for both coil packs? or one for each coil pack?
Response: There is one condenser for the coils. It connects to the Black/Yellow wire which powers both coils so the condenser is not dedicated for just one coil, but is shared by both.
Answer: It is a diagnostic connector to measure the rpm.
is there just one condenser for both coil packs? or one for each coil pack?
Response: There is one condenser for the coils. It connects to the Black/Yellow wire which powers both coils so the condenser is not dedicated for just one coil, but is shared by both.
09-14-12, 10:06 PM
#3
I'm a little confused by the question, or at least the terminology, because the FC uses an older style of distributorless ignition and technically doesn't have a condenser.
On the leading there is one coilpack (one channel, two outputs, wasted spark) and then an igniter box mounted to it. The ignitor is basically a heavy-duty switch that takes commands from the ECU. The ECU makes decisions based on a crank angle sensor that determines crankshaft/eshaft position and the position of the individual rotors.
On the trailing side there are two coils and one igniter. The ignitor will alternate the spark between the front and rear trailing coil based on a "select" signal that goes high or low based on a command from the ECU. The FD ignition system did away with the "select" signal and modern systems us individual coils and ignitors for all channels (like the Rx-8).
On the leading there is one coilpack (one channel, two outputs, wasted spark) and then an igniter box mounted to it. The ignitor is basically a heavy-duty switch that takes commands from the ECU. The ECU makes decisions based on a crank angle sensor that determines crankshaft/eshaft position and the position of the individual rotors.
On the trailing side there are two coils and one igniter. The ignitor will alternate the spark between the front and rear trailing coil based on a "select" signal that goes high or low based on a command from the ECU. The FD ignition system did away with the "select" signal and modern systems us individual coils and ignitors for all channels (like the Rx-8).
09-14-12, 10:25 PM
#5
Posted originally be Slideways FC3S
"Ok here is the short and simple. Yes you meed the condenser. 12v runs through the coil, the ecu cuts ground to the coil, the coils energy (magnetic field) collapses inducing high voltage to the secondary coil who's ground is the spark plug. The condenser creates a resonant circuit between the primary coil windings and the condenser bouncing energy back and forth from the condenser to the coil. The condenser is used to make the coil pack keep up with the with the engine's speed. Are coil packs has a relatively slow charging time the condenser makes up for that. It also doesn't allow voltage spikes from the primary coils collapse to go back to the battery."
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"Ok here is the short and simple. Yes you meed the condenser. 12v runs through the coil, the ecu cuts ground to the coil, the coils energy (magnetic field) collapses inducing high voltage to the secondary coil who's ground is the spark plug. The condenser creates a resonant circuit between the primary coil windings and the condenser bouncing energy back and forth from the condenser to the coil. The condenser is used to make the coil pack keep up with the with the engine's speed. Are coil packs has a relatively slow charging time the condenser makes up for that. It also doesn't allow voltage spikes from the primary coils collapse to go back to the battery."
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