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Diagnostics

Codes

When an error code is set, the blue CRANK/DIAG LED on the ECU will flash rapidly and the “Error”
LED displayed on the hand-held’s Live Dashes will turn on. If that happens, use this screen to find out
which code has been set. Codes can also be cleared here.

See the On-Board Diagnostics section for more detail on error codes.

Master Dash

Brings up the Master Dash for a quick overview of all available sensor readings. See the Live Data
section for more detail.

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Содержание 30400-KIT-EZ-EF

Страница 1: ...ning installation and also take a moment to review the included limited warranty information Please begin by checking that you have received all of the parts that come with your kit 30400 KIT EZ EFI 2...

Страница 2: ...for 304150TBJ 1 30428 Sensor Fuel Pressure EZ EFI 2 0 1 30425FSB Fuel Pressure Sensor Adapter 1 30425SPA Billet Spacer for FAST 30425 Fuel Sensor 2 30425MS Screw 10x2 LG Self Tap SS FOR EZEFI 1 30493...

Страница 3: ...Port with Socket Hex Oring 6AN 3 30258BS SS Screw 10 16x5 8 For 30258RB 2 30339 Fitting Bulkhead 6AN to 6AN 2 30340 Fitting Bulkhead Nut 6AN 4 30341 Nylon Washer For 6AN 1 30342 18 Fuel Hose 3 8IDx18...

Страница 4: ...l Pressure Gauge FAST 0 100 PSI 1 30274 Fitting AN6 to AN6 Female Coupler 6 30275 Fitting 6AN Straight Push Lock End 2 30276 Fitting 6AN 90Deg Push Lock End 1 30295 Hose Fuel Injection 3 8 OD x 25 SAE...

Страница 5: ...y want to purchase before beginning Check out the list below and consider if any of these apply to your application Fuel injection rated fuel system As with all modern fuel injection systems the EZ EF...

Страница 6: ...style ignition box is also required for the EZ EFI to control timing The CD ignition box will receive the ECU s ignition output signal and fire the coil No special requirements are necessary if the EZ...

Страница 7: ...removed for a length of time be sure to plug your manifold with clean rags so that no foreign debris is allowed to enter the engine 3 Install your new EZ EFI throttle body using the provided gasket a...

Страница 8: ...o the stability of the EFI system Return style systems also help to keep the fuel cooler by circulating it out of the hot engine bay and by constantly cooling the fuel pump This helps prevent a condit...

Страница 9: ...by a qualified automotive technician Installation of fuel system parts requires handling of gasoline Ensure that work is performed in a well ventilated area with an approved fire extinguisher nearby...

Страница 10: ...sure to use the submersible rated hose If an outlet is not available a bulkhead fitting has been included with the fuel kit to provide for one If using the bulkhead fitting be sure to use the provide...

Страница 11: ...11 In Tank Fuel Pump System Layout...

Страница 12: ...lamp over the hose so that it is ready to use when the hose has been installed 9 Place the fitting in a vise Take care to not scratch the finish on the fitting Placing a shop rag over the vise jaws ca...

Страница 13: ...f the regulator choose either side based on easiest hose routing in your application The unused inlet port on the other side should be blocked off with the included plug NOTE Since these fittings have...

Страница 14: ...pplied 1 8 vacuum hose When connecting the fuel return line to the tank return style fuel systems only be sure not to use a vent fitting that is necessary for proper operation of the fuel tank If ther...

Страница 15: ...uses the single nylon washer with the larger inside diameter compared to washers used with the fuel line fittings Drill an 11 16 hole Feed the fitting through the plastic washer and through the hole i...

Страница 16: ...remaining loose end of the black wire needs to be connected to ground A blue ring terminal is included for this purpose Cut the black wire to a convenient length and install the ring terminal After t...

Страница 17: ...17 In Line Pump Fuel System Layout...

Страница 18: ...nd install the ring terminal One of the fuel pump mounting bolts is often a convenient ground location After the ring terminal has been crimped on use a heat gun or other heat source on the insulation...

Страница 19: ...e from collecting in the sensor The sensor should not be installed closer than 20 inches from the cylinder head to ensure excessive heat does not damage the sensor The sensor should be installed in or...

Страница 20: ...s interior The USB port is used to connect the ECU to a computer in the event that an ECU update becomes available The USB port is not used in normal operation Avoid mounting locations that expose th...

Страница 21: ...ils distributors etc as much as possible There will be places where plug wires run past the wiring harness That is often unavoidable and not a problem Just try to keep them or other parts of the ignit...

Страница 22: ...e details If this connector is being used the DISTRIBUTOR connector and RPM INPUT wire will not be used Distributor FAST Dual Sync Distributor connector or other discrete pickup This is one option for...

Страница 23: ...fuel pump relay harness included with EZ EFI fuel system kits Fuel Pump Harness Relay single pin Negative control side of a relay for powering a fuel pump Do NOT wire directly to fuel pump Not used w...

Страница 24: ...RPM input for the ECU when it is not controlling ignition timing See Ignition System Options for more details Do NOT connect this wire directly to an ignition coil See RPM Module notes If this wire i...

Страница 25: ...ns The ignition system components that are needed and the wiring harness connections that will be used depend on the type of engine and whether or not the EZ EFI ignition timing control capability wil...

Страница 26: ...Module Output POINTS OUTPUT n c n c n c no connection Single Coil Distributor Equipped Engine WITH Timing Control In this scenario EZ EFI needs to know engine position not just engine speed so that it...

Страница 27: ...phased from the factory at 30 BTDC Roll the engine over to TDC on 1 compression stroke Follow the instructions included with the distributor for a TDC install The built in LEDs will indicate when the...

Страница 28: ...k well with most EZ EFI installations If you know that your engine will be running significantly higher or lower timing please adjust accordingly 2 Set the distributor to the 1 position and drop it in...

Страница 29: ...he timing sweep in order to fire to the correct cylinder terminal If the rotor is not properly phased then during operation the rotor tip can sweep too far away from the correct terminal causing a wea...

Страница 30: ...he mark you made Then tighten the rotor adjuster screw and install the cap 11 Your crank signal is now set and your rotor is phased A wiring adapter will be needed to connect this to the CRANK TRIGGER...

Страница 31: ...ngines have complex crank and cam trigger wheels FAST EZ LS and FAST XIM ignition systems read in and decode the factory crank and cam signals to give the EZ EFI engine speed and position The FAST EZ...

Страница 32: ...preferred RPM source for the EZ EFI system when it is not controlling timing Other aftermarket ignition products besides ignition boxes may also supply a clean digital tach signal For example an afte...

Страница 33: ...ule connects to the negative side of the coil and outputs a Tach signal to the ECU The RPM Module is connected as follows WIRE COLOR CONNECTION Black Engine block Black Engine block White Negative sid...

Страница 34: ...ce to select your fuel system type return or returnless in the Setup Wizard 2 Connect the hand held to the main wiring harness using the hand held cable 3 Turn the ignition switch on and wait for the...

Страница 35: ...an also be used to reset an ECU back to stock Live Data Pressing the Live Data icon navigates to a series of dashes that display live ECU data Diagnostics The Diagnostics area offers access to error c...

Страница 36: ...sing the Next button will save the settings of that screen to the ECU and proceed to the next screen Pressing the Back button will discard any changes made to the current screen and return to the prev...

Страница 37: ...and make large changes you may want to use the IAC Calibration option also accessed through the Advanced menu This will help you adjust the resting position of the throttle blades so that the idle mo...

Страница 38: ...gine from spinning itself too fast under its own power But it does not protect against something else spinning the engine too fast such as a downshift into a gear that is too low Fuel System Fuel Type...

Страница 39: ...Setup EZ LS Select if using a FAST EZ LS ignition system GM Select if using a FAST XIM ignition system on a GM LS engine Ford Select if using a FAST XIM ignition system on a Ford Mod or Coyote engine...

Страница 40: ...d on manifold vacuum Optional See Advanced menu Total Timing Timing related data is only valid when EZ EFI is controlling timing Select System Single Select this option if using one EZ EFI 2 0 eight i...

Страница 41: ...sure PSI textbox Then enter desired numbers on the keypad and press Ent The value will be sent to the selected textbox Number of Injectors Choose from 4 6 or 8 The button s LED will indicate selection...

Страница 42: ...etup because a different throttle body intake setup is being used the Setup Wizard must be re run to configure the ECU properly for the new parts These and other settings will be affected TPS Calibrat...

Страница 43: ...ngage the fuel pump Pressing the STOP button will turn the pump off For safety the fuel pump will automatically turn off after approximately 10 seconds Use this time to adjust the regulator and ensure...

Страница 44: ...ss Fuel System The second test is for returnless style fuel systems that have no mechanical fuel pressure regulator or return line back to the fuel tank and are controlled electronically Pressing the...

Страница 45: ...ngine getting its crank signals from a crank trigger or a distributor the ECU expects those crank signals to occur at TDC 0 BTDC That is the 00 0 that appears on the Timing Verification screen If the...

Страница 46: ...ht showing 23 BTDC instead of the 20 BTDC the ECU is shooting for this setting would end up being raised from 50 0 to 53 0 CRANK SIGNAL SOURCE ECU EXPECTS CRANK SIGNAL AT Crank Trigger 0 BTDC Distribu...

Страница 47: ...ps it will be able to bypass more air to keep the engine running After setting the blades and pressing the Next button the TPS Calibration screen will be revisited The throttle position sensor is conn...

Страница 48: ...ng with the Fan On Temperature When coolant temperature goes above a Fan On Temperature setting that fan output becomes active and its output wire goes to ground to trigger a fan relay Fan 1 uses the...

Страница 49: ...anges at idle going into gear or turning steering wheel to full lock for example it may prefer a richer Idle Air Fuel target Cruise AF Once the engine is above idle it will switch to using this target...

Страница 50: ...5 different air fuel ratios are used with that fuel E85 air fuel ratios will be numerically lower Multiplying a gasoline air fuel ratio by 0 68 gives a good approximation of the equivalent E85 air fue...

Страница 51: ...AFR data either the numeric display or the bar graph while you drive and make quick throttle changes may reveal whether the engine is getting too much or too little Accel Fuel When the throttle is ope...

Страница 52: ...et air fuel ratio more or less aggressive SETTING EFFECT Positive Target air fuel ratio richened more Negative Target air fuel ratio richened less Start Update If an update to the hand held becomes av...

Страница 53: ...vation signal from the nitrous oxide system EZ EFI is intended to be used with the same type of wet nitrous oxide systems commonly used on carbureted engines Wet is the type where the majority of the...

Страница 54: ...ature The button s LED is illuminated green when this feature is enabled Maximum Vacuum Advance The maximum ignition advance added just off idle Maximum Vacuum Threshold The breakpoint above which the...

Страница 55: ...use the tabs at the bottom of the screen The text will highlight green to indicate the current screen Across the top of every dash are 4 LEDs that indicate the following LABEL DESCRIPTION OFF ON Learn...

Страница 56: ...56 Dash 1 Dash 2 Dash 3...

Страница 57: ...trolling timing Battery Battery voltage Coolant Temp This is the temperature of the engine It can be displayed in either Fahrenheit or Celsius FP DC Duty cycle of the fuel pump control output With a r...

Страница 58: ...d loop correction based on the reading from the wideband oxygen O2 sensor This is the percent of fuel being added displays as a positive number or removed displays as a negative number to achieve the...

Страница 59: ...and held s Live Dashes will turn on If that happens use this screen to find out which code has been set Codes can also be cleared here See the On Board Diagnostics section for more detail on error cod...

Страница 60: ...ECU This section shows information about the ECU Wizard Review This section shows a summary of the settings entered in the Setup Wizard Hand Held Help Provides basic how to s related to using the han...

Страница 61: ...rs cycled it will be disabled until the engine has run This prevents flooding the engine if the ignition is cycled on and off multiple times for whatever reason Also bear in mind that less pre squirt...

Страница 62: ...time the changes are saved into long term memory The BATTERY POS and BATTERY NEG wires must be connected directly to the battery If all power 12V SWITCHED and BATTERY POS is cut to the ECU at one tim...

Страница 63: ...that the ECU is receiving a crank signal and is reading RPM If the on board diagnostics has detected a problem this LED will flash rapidly If that happens refer to the Codes screen in the Diagnostics...

Страница 64: ...re Sensor signal voltage too high or too low Fuel Pressure Control In return fuel system mode Higher than expected greater than 75 psi fuel pressure detected The fuel pump is disabled in the event tha...

Страница 65: ...or melted sections Troubleshooting Fuel Pressure Control Fault in Return Fuel System Mode 1 Verify that a mechanical fuel pressure regulator and return line are installed 2 Verify that the regulator...

Страница 66: ...system or injectors are not supplying enough fuel for the engine it is most likely to only be a problem at high RPM and high load Unless there is a major fundamental failure in the fuel system an Inj...

Страница 67: ...d Density Just like a traditional Speed Density system it uses manifold pressure air temperature and engine speed along with other considerations to calculate the proper amount of fuel to inject At wi...

Страница 68: ...ger for 7 00 Balancer 301280 SBC Crank Trigger for 8 00 Balancer 301180 BBC Crank Trigger for 8 00 Balancer 303565 SBF Crank Trigger for 6 562 Balancer 305005 SBC BBC Dual Sync Distributor 305017 BBC...

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