XFI ignition module

[we4Mateo]

My friend is installing the XFI ignition box from Cal to control LS coils sequentially on a T/A motor. He was told that the two CAN link wires aren't used, but with the key on, the status light doesn't come on like it should. The book states that it's all plug and play, but that the engine shouldn't be cranked unless the status light is on solid with the key on. Any ideas? Do these two CAN link wires need to go somewhere? The setup is complete in the XFI box and everything is ready to go wiring wise, but he can't get the status light to come on. Any help is appreciated. He's not an internet guy. TIA.

 

[norbs]

CAN LINK:
This connects to the CAN LINK connection on your FAST™ XFI™ Main Harness. Both the XIM™
and the XFI™ Harness will have a pair of CAN connectors. The plug from one harness will connect to
the receptacle from the other harness. It does not matter which pair of connectors is used as long as one
pair is mated. This connection can be made through an Interconnect Cable(s) for additional reach.
There will be one loose plug and one loose receptacle at either end of the CAN wiring. These loose
ends need to be capped off with a Terminating Plug at one end and a Terminating Receptacle at the
other. This is absolutely necessary for proper network performance. The XFI™ uses the CAN Link to
tell the XIM™ what timing values are called for in the tuning file.
Warning: Before starting your engine, make sure that with the ignition switch on, the “Status” light on
the XIM™ is illuminated. This indicates that the XIM™ and XFI™ are communicating properly via
the CAN network.
Running the engine without proper CAN communication can result in permanent damage to the
XIM™ and ignition coils. If the “Status” light is not illuminated, check the following items:
• Verify that the CAN wiring is connected per the provided instructions. One male or female
connector from the XFI™ should be connected to a mating connector on the XIM™. The
unused male and female connector must have the terminating resistors plugged into them.
• Verify that the CAN retro-fit kit wires are plugged into the Blue XFI™ main connector as
follows: Green wire to pin C26 and the Yellow wire to pin C25.
• Verify that in the C-Com® software for the XFI™, under “Operational Parameters”, IPU
Ignition is selected.
• Verify that under “System Configuration”, CAN Stream is enabled.
• Verify that the XIM™ wire labeled 12V is connected to a 12V source that has power when the
switch is in the run position and during cranking.
• If after checking all of these items, you still cannot get a status light on the XIM™, call the
FAST™ EFI HELP™ line at 1-877-334-8355 for assistance before starting your engine.

 

[HighPSI]

The CAN connection has to be used. You jsut don't plug BOTH ends in. You will have the resistors in the unused CAN plugs. One on the XFI side and one on the XIM side. If you did not receive a CAN retrofit harness with the XFI, please call us and we can send you one ASAP

 

[we4Mateo]

Thanks for all the replies guys. We'll try to get this going today.

 

[we4Mateo]

Done. 50 miles and no issues. Car pulls HARD even at 15psi. The trans needs a redo though. The car has never ran this good with the T/A motor in it and the stock style ignition. I think the wastespark setup on an aluminum engine is a bad deal because the spark can't travel through the block properly to return to the coil. It always smoked and idled poorly unless it had a fresh module and coil pack but they never lasted long and the car would start to break-up. 50 trouble free miles today, no smoke, and it's been years that this combo didn't run properly. .040 gap for now to see how it is until the boost starts going up. Bob Kergen tuned this car at 20psi and made over 800rwhp. The owner is very excited to drive it and see what it'll do now with a great ignition system. Thanks again for the help.