ACCEL/DFI Engine Management Systems DFI …

1 ACCEL/DFI Engine Management SystemsDFI generation +Installation and Operation Manual2 TABLE OF CONTENTSACCEL/DFI Products and Part Manifold & Electronic and Play VII Accessories and Impedance Dual Sync Engine Management Pressure VI Wiring and Pumps and Manifolds and Bodies and Rails and Injector and Programming INSTALLATION Minimum Computer system DFI CalMap Keyboard Electronic Access to Drawings and Kit Required Manifold Fuel Pump Mounting, Wiring, and Fuel Pump Mechanical Pump Fuel system Fuel Filter Mounting the Exhaust Installing your distributor, crank sensor, or cam Ignition Systems with Computer Controlled Non-Computer Controlled Main wiring harness and ECM Mounting Your DFI Gen 7 Wiring Harness Starting the Configuring the ECM before Create a Fuel Table, (Fuel->Utilities->VE Estimator).

2 Pre-check and Starting the Timing Throttle Diagnostic Error End of Inject No Spark At Engine Runs Engine Runs Ignition system Diagnostic Software Minimum Computer system the CalMap Started with Data Online from an Data from a Calibration CalMap Calibration CalMap Menu and CalMap Instrument CalMap Monitor Calibration Data with CalMap:..71 Numerical Table Editing Graph Editing Numerical Table Editing (Line Graph) Editing 4: 2-Dimensional Graph Value Table Editing 5: The Single Cell Table Editor Configuration Screen.

3 77 Controls Configuration CalMap Keyboard Command Shortcuts:..78 CALMAP TABLE Table/Graph Data from a Current Screen Data to a Current Screen Data to the Global Calibration to a Global Calibration from a Global Calibration Current Current Table Width Fuel Coefficient vs Engine Coolant After-Start Fuel Decay Modifier vs Engine Coolant Temperature (Pro Version only)..82 Prestart Fuel Fuel and X vs. Modifier Rate of Change Acceleration Rate Of Change Acceleration Enrichment Rate Of Change Acceleration STEADY #1 - #8 Individual Cylinder Fuel Correction Correction vs.

4 Voltage (Pro Version only)..87 Base Offset Injector timing (Sequential Injection Only)..87 Target Injector timing (Sequential Injection Only)..88 Target Air to Fuel Correction vs. Target Air to Fuel Ratio (Pro Version only)..89VE Correction Coefficient vs Estimated Intake Port Temperature (Pro Version only)..89VE Correction vs Engine Coolant Temperature (Warm-up Map)..90 ECT VE Correction vs MAP/RPM (Pro Version only)..90 Base Volumetric Efficiency (Fuel Map)..91 Alpha-N MAP vs Percent IAT Difference (Pro Version only).

5 925 MST IAT Difference (Pro Version only)..92 FUEL Control Proportional Control Integral Control Differential Feedback Maximum Fuel Feedback Maximum Fuel Feedback Stoichiometric Air to Fuel Ratio (Pro Version only)..95 Closed Loop ECT Loop Delay vs. Starting Start-up Startup Termination Start-up Decay Interval (Pro Version only)..97 Ignition Start-up Phase-in Interval (Pro Version only)..98 IGNITION STEADY Air Temperature Ignition ECT Ignition Compensation (Pro Version only).

6 98 ECT Compensation Power Modifier (Pro Version only)..99 Idle Spark Control Base Advance (Timing Map)..100 IGNITION Feedback Retard Limit (Pro Version only)..100 Knock Feedback Retard Interval (Pro Version only)..100 Knock Feedback Advance Interval (Pro Version only)..101 IGNITION DWELL Dwell CONFIGURATION % Throttle Idle Spark % Throttle Idle Attack Mode Decay Air Controller (IAC) Control Loop Control Proportional Control Integral Control Differential MENU Idle IAC Position vs Coolant Temperature (Pro Version only).

7 105 Maximum IAC Position vs Coolant Temperature (Pro Version only)..105 IAC Starting Position vs. Engine Control Delay (Pro Version only)..106 Throttle STAGE 1 1 - Nitrous system 1 Fuel Trim/Ignition Engine Saver Enable All 1 - Engine Saver O2 A:F Threshold (Wideband O2 Only)..107 NOS BSFC All 1 - Orifice Size 1 - Number of 1 - NOS Orifice 1 - Line 1 - 1 - Minimum % 1 - Minimum 1 - Manifold Pressure 1 - NOS Fuel - RPM Limit (All Stages)..110 Stage 1 - ECM Enable 1 - Dual Mapping A:F Ratio system Boost Builder system 1 - Closed Loop Fueling Asynchronous Fueling Compensation - All Fuel Flow Rate ( ) Fuel Enrichment ( ) Estimated Horsepower 1 - IGNITION 1 - Ignition 1- FUEL 1 Fuel STAGE 2- 2 - Nitrous system 2 Fuel Trim/Ignition Saver O2 Sensor Enable All 2 - Engine Saver O2 A:F Threshold (Wideband O2 Only).

8 113 NOS BSFC All 2 - Orifice Size 2 - Number of 2 - Orifice 2 - Line 2 - 2 - Minimum % 2 - Minimum 2 - Manifold Pressure 2 - Fuel RPM Limit - All 2 - ECM Enable 2 - Closed Loop Fueling Asynchronous Fueling Compensation - All Fuel Flow Rate ( ) Fuel Enrichment ( ) Estimated Horsepower 2- IGNITION 2 - Ignition 2- FUEL 2 - Fuel STAGE 3 3 - Nitrous system 3 Fuel Trim/Ignition Saver O2 Sensor Enable All 3 - Engine Saver O2 A:F Threshold (Wideband O2 Only).

9 117 NOS BSFC All 3 - 3 - Minimum % 3 - Minimum 3 - Manifold Pressure 3 - Fuel RPM Limit - All 3 - ECM Enable Asynchronous Fueling Compensation - All Fuel Flow Rate ( ) Fuel Enrichment ( ) Estimated Horsepower 3 - IGNITION 3 - Ignition 3 - FUEL 3 - Fuel Autolog to a CalMap Data Logging a CalMap Data Logging CalMap Autolog the Autolog Feature to the CalMap Data Logging Analysis a CalMap Data Logging a CalMap Data Logging a CalMap Fueling - of Index Injector Rail Closed TPS Sensor Setpoint -- Low Open TPS Sensor Setpoint -- High Input/Output Configuration/Display or Returnless Fuel Injector Firing Input Function.

10 2-Step Limiter or IAC FeedFwd Ignition Cut-Off Fuel Cut-Off Fuel Restore Closed Loop Mode Feedback Sensor Feedback Processing Oxygen Sensor Strategy Prime OUTPUT Output #1 Function -- AC Clutch Disable or VTEC Clutch Disable Output #2 Function -- Shift Light Output or Fan #2 Light On Off IAC Feed Forward Request Input Turns Fan 1 - TORQUE Gear Indicator Minimum (%) Throttle Maximum (%) Throttle Minimum Maximum Wide Open Throttle Unlock - (%) Throttle Exit Wide Open Throttle Unlock (%) Throttle Wide Open Throttle Unlock Period (seconds).