Fast XIM Manuale utente

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

FAST™ XIM™

Thank you for choosing FAST™ products; we are proud to be your manufacturer of choice. Please

read this instruction sheet carefully before beginning installation, and also take a moment to review the

included limited warranty information.

XIM™ Unit Installation

The XIM™ unit itself is designed to withstand under hood temperatures but needs to be mounted in a

location that allows for some airflow in and around the heat sink. Also keep in mind that the XIM™ is

not 100% waterproof and should not be mounted where it will be exposed to direct spray. It is also

good practice to mount the XIM™ with the connectors facing down. Typical installation locations

would be on the firewall or inside the vehicle cockpit.

Wiring

These wiring installation instructions are specific to the wiring harnesses manufactured by FAST™

only. If you are using a wiring harness other than the ones offered by FAST™, please contact your

dealer for instructions for that harness.

FAST™ wiring harnesses are labeled on each of the connectors to simplify installation. Your

application may not require the use of all the connectors in the harness. And not all harnesses will

include every connection listed below. You may also require additional accessories such as relays,

sensors and other specialized connectors to complete your installation. All of these are available for

purchase from FAST™.

Crank:

This connector simply plugs into your crank pickup. Depending upon your application, it may be

found near the harmonic balancer or towards the back of the engine near the flywheel. The crank

sensor is used by the XIM™ to determine crank speed and position.

Cam:

This connector plugs into the cam pickup. Depending upon your application, it may be found on the

end of one of the cylinder heads or the front of the intake manifold area. The cam sensor is used by the

XIM™ to find the start of the firing order.

CAM HALL EFFECT:

This connector plugs into the CAM HALL EFFECT connector on your FAST™ XFI™ Main Harness.

This connection feeds cam and crank signals from the XIM™ to the XFI™. The XIM™ crank and cam

outputs are always wired to the XFI™ discrete crank and discrete cam inputs regardless of what type

of pickups (inductive or discrete) are connected to the XIM™.

INSTRUCTIONS

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

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.

CALPORT:

This connector does not connect to anything during normal operation of the XIM™ unit. It is only used

when ‘flashing’ your XIM™ unit when there is an update available. See ‘Flashing your XIM™’.

FLASH:

This is a loose wire that does not connect to anything during normal operation of the XIM™ unit. It is

only used when ‘flashing’ your XIM™ unit when there is an update available. See ‘Flashing your

XIM™’.

+12V SW:

This wire needs to be connected to a ‘switched’ power source, or in other words, a power source that is

hot whenever the engine is cranking or running. This is the wire the turns the XIM™ on and off.

+BAT:

This wire needs to go directly to your positive post of your vehicle’s battery.

-BAT/-BAT(AGND)/-BAT(DGND)/-BAT(PGND):

Any of these that are present in the harness go to the negative post of your vehicle’s battery.

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

BLOCK GND:

This wire is to be connected to a good paint and rust free ground source on the engine block of your

vehicle. It is only used for the LS1/LS2/LS6/LS7 engines and will not be found in other harnesses.

DRIVER COILS:

This connector plugs into the GM factory coil harness plug on the driver side valve cover. It is only

found in the LS1/LS2/LS6/LS7 engine harness.

PASSENGER COILS:

This connector plugs into the GM factory coil harness plug on the passenger side valve cover. It is only

found in the LS1/LS2/LS6/LS7 engine harness.

COILS:

This connector plugs into the FAST™ coil harness that comes with your XIM™ unit for the Mopar

Hemi applications. One coil harness is used with a 5.7L engine and another is used with a 6.1L engine.

All coil connectors are clearly labeled with cylinder numbers.

CRANK JUMPER:

This jumper connects to the CRANK connector on your FAST™ XFI™ Main Harness. It loops

together the unused wires of the ECU’s inductive crank input.

DIP Switch Settings

Your XIM™ unit is configurable for different engine applications. This is accomplished by using 8

DIP switches found inside the back cover of your unit. To access the DIP switches, simply take the lid

off by removing the 5 screws, being careful not to tear the gasket beneath the lid. Below you’ll find a

handy list of the current engine applications covered with your XIM™ unit and the switch settings that

are required for each. The “on” position is marked on the switches.

XIM™ DIP Switches

DIP Switch (1-4)

[0=OFF, 1=ON] Ignition Strategy Crank Input “Crank Ref. Angle (*BTDC)” setting

in C-Com XFI™ software

0 - 0 - 0 - 0 Crank Trigger 1/2/3/4X, 50* BTDC 50

1 - 0 - 0 - 0 OE Crank Trigger 1/2/3/4X, 1-10* BTDC Actual Crank Position (1-10) + 45

1 - 0 - 1 - 1 Ford Mod, 2 or 4 Valve 36-1 (1 tooth cam) 60

1 - 1 - 0 - 1 Ford Mod, 3 Valve 36-1 (5 tooth cam) 60

1 - 1 - 1 - 1 Chrysler Hemi 36-2-2 50

0 - 0 - 1 - 1 GM Gen 3 - LS1/LS6 24X (Special) 50

0 - 1 - 1 - 1 GM Gen 4 – LS2/LS7 60-2 49

DIP Switch (5-6)

[0=OFF, 1=ON] # of

Cylinders DIP Switch (7)

[0=OFF, 1=ON] Operation

Mode

DIP Switch (8)

[0=OFF, 1=ON] Coil Layout

0 - 0 2 Cylinder 1 Stand Alone 1 Coil per Cylinder

1 - 0 4 Cylinder 0 CAN Enabled 0 Waste Spark

0 - 1 6 Cylinder

1 - 1 8 Cylinder “CAN Enabled” allows XIM™ to

communicate with XFI™ “Waste Spark” – Each coil fires two

companion cylinders simultaneously.

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

Ignition Strategies

CRANK TRIGGER:

Using a crank trigger with an XIM™ is similar to using a crank trigger with an XFI™. The crank

trigger is used to determine engine speed and position. And a separate cam input signal (one pulse

every two engine revolutions) is used to locate the start of the firing order. As with an XFI™, the crank

trigger should be installed so that the pickup and one of the magnets in the crank trigger wheel are

lined up with each other when the engine is approximately 50 degrees BTDC.

The number of crank pulses the XIM™ expects to see per revolution (number of magnets in crank

trigger wheel) is equal to half the number of cylinders. An 8-cylinder engine uses a crank trigger wheel

with 4 magnets, a 6-cylinder engine uses 3, etc.

The cam signal needs to occur between 10 and 80 degrees before a crank input (which works out to be

between 60 and 130 degrees BTDC for a 50 degree crank reference angle). The cam input is typically

setup to occur before the crank pulse that corresponds to the first cylinder in the firing order. But other

locations are permissible with appropriate coil wiring.

The XIM™ has two sets of outputs for controlling coils – EST and COIL. The type of coil being used

determines which set of outputs is needed.

The EST outputs are used with “smart” coils such as those found on GM LS1 engines. These coils

have built in coil drivers. They are controlled by a 0-5V square wave. They charge while receiving a

5V signal and fire when the signal drops to 0V.

The COIL outputs are used to directly charge traditional (usually 2 pin) coils. Each coil is connected to

a COIL output from the XIM™ and to switched ignition power. The COIL outputs are held low to

charge the coil and released to fire the coil.

The coil outputs – either EST or COIL – fire one at a time in alphabetical order starting with output A.

They need to be wired to each coil according the engine’s firing order. EST/COIL output A goes to the

cylinder associated with the first crank signal after the cam input (which is typically the first cylinder

in the firing order.) The following table shows examples of coil wiring for a small block Chevy with a

1-8-4-3-6-5-7-2 firing order.

XIM™ EST/COIL Wiring (Coil per Cylinder) for Different Cam Signal Locations

EST/COIL Output A B C D E F G H

Sequence after Cam Input 1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH

Cylinder # (SBC w/ Cam Before #1 Crank Signal) 1 8 4 3 6 5 7 2

Cylinder # (SBC w/ Cam Before #4 Crank Signal) 4 3 6 5 7 2 1 8

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

In the case of a “waste spark” setup (one coil for every pair of companion cylinders), the same

principle is used to determine where EST/COIL output A will be wired. It goes to the coil that fires the

cylinder associated with the first crank signal after the cam input. Unlike a “coil per cylinder” setup,

the number of EST/COIL outputs used is only equal to half the number of cylinders. On a “waste

spark” V8, the XIM™ fires the first four EST/COIL outputs and then starts back over at A. The

sequence is: A–B–C–D–A–B–C–D-…

OE CRANK TRIGGER:

The OE Crank Trigger ignition strategy is designed for crank trigger wheels and pickups whose output

(1, 2, 3 or 4 evenly spaced pulses per revolution) occurs just ahead of TDC – as is the case with many

older factory ignition systems.

This ignition strategy is the same as the Crank Trigger ignition strategy except that it is intended for

use with a crank input between 1 and 10 degrees BTDC. The cam input still needs to occur between 10

and 80 degrees before the crank input. The EST/COIL outputs still fire in alphabetical order starting

with output A and EST/COIL output A still goes to the cylinder associated with the first crank signal

after the cam input.

= TDC (compression)

for each cylinder

Crank

Input

Cam

Input

50*

BTDC

TDC

60-130*

BTDC

(Shown at 90*)

EST/COIL

Output

= Spark, approx.

30* BTDC

XIM™ – Crank Trigger Ignition Strategy

(One complete engine cycle shown for Small Block Chevy with 1-8-4-3-6-5-7-2 firing order)

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

FACTORY SPECIFIC: (Ford Mod, Hemi, LS1, etc.)

Newer factory engines have a variety of complicated trigger wheel arrangements. The XIM™ is pre-

programmed to decode these different signal frames. Simply connect the factory crank and cam

pickups to the XIM™ and wire the EST/COIL outputs in the engine’s firing order. EST/COIL output

A always goes to cylinder #1.

XIM™ EST/COIL Wiring for Different Factory Engines

EST/COIL Output A B C D E F G H

Position in Firing Order 1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH

Cylinder # (Ford Mod, Waste Spark) - COIL 1&6 3&5 7&4 2&8

Cylinder # (Ford Mod, Coil per Cylinder) - COIL 1 3 7 2 6 5 4 8

Cylinder # (Chrysler Hemi) - COIL 1 8 4 3 6 5 7 2

Cylinder # (GM LS1/LS6 & LS2/LS7) - EST 1 8 7 2 6 5 4 3

External LEDs

The XIM™ features four LEDs built into its case. They are a valuable tool for confirming basic

functions.

POWER – This LED lights up when the XIM™ is switched on.

CRANK – This LED lights up while the XIM™ is receiving input from the crank sensor. If it is not lit

while the engine is turning over, you will need to find out why before the engine will run. Check that

the crank sensor is properly installed and plugged in. Also check for any wiring damage between the

crank sensor and the XIM™.

CAM – This LED flashes each time the XIM™ receives an input from the cam sensor. It will flash

relatively slowly during cranking. The flashing will become more rapid with increasing engine speed.

If it is not flashing while the engine is turning over, you will need to find out why before the engine

Crank

Input

Cam

Input

1-10*

BTDC

TDC #1

11-90*

BTDC

(Shown at 60*)

EST/COIL

Output

= Spark, approx.

30* BTDC

XIM™ – OE Crank Trigger Ignition Strategy

(One complete engine cycle shown for Small Block Chevy with 1-8-4-3-6-5-7-2 firing order)

= TDC (compression)

for each cylinder

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

will run. Check that the cam sensor is properly installed and plugged in. Also check for any wiring

damage between the cam sensor and the XIM™.

STATUS – In normal operation, this LED lights up when the XIM™ has established CAN

communications with the XFI™ ECU. If it is not lit, check that the CAN LINK on the XIM™ harness

is connected (either directly or through an Interconnect Cable) to the CAN LINK on the XFI™

harness. Also verify that a Terminating Plug and Terminating Receptacle are connected to the open

ends of the CAN wiring.

A flashing status LED indicates that the XIM™ is in flash mode. This is used to update the software in

the XIM™. If flash mode was entered accidentally, make sure the FLASH wire is not touching ground

and power cycle the XIM™.

Setting up the C-Com XFI™ Software

Setting up the software in your FAST™ XFI™ to use the XIM™ is very simple. Select “IPU Ignition”

as the ignition type. Enter the “Crank Ref. Angle (*BTDC)” setting shown in the DIP switch table.

And finally, if using the Crank Trigger or OE Crank Trigger ignition strategies with the Cam input not

occurring before cylinder #1, change the “Cam Sync Precedes Cylinder:” setting. That setting remains

“1” for any of the Factory Specific ignition strategies. That’s all there is to do. Complete step by step

instructions are available under the Help menu in the C-Com XFI™ software under Section 6.0 Initial

Setup.

Flashing your XIM™

If it becomes necessary to update the software within the XIM™, the unit will need to be put into flash

mode. This is done by grounding the FLASH wire while turning on the XIM™. A flashing Status LED

will indicate that the XIM™ is in flash mode. An update utility will be provided that will send the new

software to the XIM™ through the communications cable that links the XIM™ (through the

CALPORT connector) to the laptop. Once the update has been sent, remove the FLASH wire from

ground and power cycle the XIM™ to complete the flashing process.

XIM™ Pinout Chart

XIM™

Pin Function Wire Color XIM™

Pin Function Wire Color

30-A1 Inductive Crank Input Red 18-A1 +12V Switched Input Pink

30-A2 Discrete Crank Input Yellow 18-A2 User #1*

30-A3 Crank Output Brown/White 18-A3 Digital GND Black/White

30-B1 Digital GND Black (/White) 18-B1 Battery Input Red

30-B2 Digital GND Black/White 18-B2 User #0*

30-B3 Cam Output Yellow/Black 18-B3 N/A*

30-C1 Inductive Cam Input Red 18-C1 Coil Output A Orange

30-C2 Discrete Cam Input Brown 18-C2 Auxiliary Output*

30-C3 Flash Enable Input Blue 18-C3 Power GND Black

30-D1 Digital GND Black (/White) 18-D1 Coil Output D Purple

30-D2 Digital GND Black/White 18-D2 Coil Output C Gray

30-D3 Load Input* 18-D3 Coil Output B Blue

Part #FAST4-101

Revised 7/9/07

FAST™

3400 Democrat Rd.

Memphis, TN 38118

Phone: (901) 260-3278 Fax: (901) 375-3408

www.fuelairspark.com

30-E1 Analog 2 Input* 18-E1 Coil Output E Black

30-E2 5V Reference Red/White 18-E2 Power GND Black

30-E3 Analog GND Black/Pink 18-E3 Power GND Black

30-F1 RS-232 RxD Black 18-F1 Coil Output F Brown

30-F2 RS-232 TxD Red 18-F2 Coil Output G Yellow

30-F3 Dig GND (RS-232) White 18-F3 Coil Output H Green

30-G1 CAN_H Yellow

30-G2 CAN_L Green

30-G3 Digital GND Black/White

30-H1 EST Output A Purple

30-H2 EST Output B Purple/White

30-H3 Points Input*

30-J1 EST Output C Red

30-J2 EST Output E Blue/White

30-J3 EST Output G Green/White

30-K1 EST Output D Red/White

30-K2 EST Output F Green

30-K3 EST Output H Blue

* Reserved for future use

Notes:

See letters and numbers molded into sides of

connectors to find pin locations.

“30-“ and “18-“ refer to 30 way and 18 way

connector.

Limited Warranty

FAST, Inc. warrants that all of its products are free from defects in material and workmanship for a period of 1

year from the date of purchase. This limited warranty shall cover the original purchaser.

FAST, Inc.’s obligation under this warranty is limited to the repair or replacement of its product. To make a

warranty claim, the part must be returned within 1 year of purchase to the address listed below, freight prepaid.

Items covered under warranty will be returned to you freight collect. It is the responsibility of the installer to

ensure that all of the components are correct before installation. We assume no liability for any errors made in

tolerances, component selection, or installation.

There is absolutely no warranty on the following:

•Any parts used in racing applications.

•Any product that has been physically altered, improperly installed or maintained.

•Any product used in improper applications, abused, or not used in conjunction with the proper parts.

•Damage due to excessive manifold pressure, i.e. nitrous backfires, engine misfire, etc.

There are no implied warranties of merchantability or fitness for a particular purpose. There are no

warranties, which extend beyond the description of the face hereof. FAST, Inc. will not be responsible for

incidental and consequential damages, property damage or personal injury damages to the extent permitted by

law. Where required by law, implied warranties or merchantability and fitness are limited to a term of 1 year

from the date of original purchase.

This warranty gives you specific legal rights and you may also have other legal rights, which vary from state to

state.

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