1990 Late ecm file (ECM Configuration File Version I) ECM Switch Parameters VATS Select (X =Enabled) VATS Diagnostic (Error 46) Vehicle Speed Diagnostic (Error 24) Knock Diagnositc (Error 43) Closed Throttle Spark Advance Enable ECM Constants Cylinder Volume ******************** stock Fuel Cuttoff Speed Fuel Cutoff RPM Fuel Resume Speed Fuel Resume RPM Injector Flow Rate RPM Threshold To Enable CARS % TPS Threshold To Disable CARS Vehicle Speed Threshold To Disable CARS Vehicle Speed Threshold To Enable CARS Speed Threshold To Disable + Reset CARS Coolant Temp. Threshold To Enable CARS RPM/Speed Ratio Threshold For 1st Gear Min. RPM/Speed Ratio For 4th Gear Max RPM/Speed Ratio For 4th Gear Fan 1 On Oil Temp. Threshold (Low RPM) Fan 1 On Oil Temp. Threshold (High RPM) Fan 1 Hysteresis for Oil Temp Thresh High RPM Threshold for Oil Temp Fan Fan 1 On Cool Temp, Low Speed, A/C On Fan 1 On Cool Temp, High Speed Fan 2 On Cool Temp, Low Speed, A/C On Fan Cool Temp High Speed Switch Point Fan Cool Temp Hysteresis Thresh, Low Spd Fan Cool Temp Hysteresis Thresh, Hi Spd Fan 2 On Cool Temp, High Speed Fan 2 Disable Speed Threshold Minimum MAP for Power Enrich (PE) Mode MAP Hysteresis for Power Enrich Disable TPS Hysteresis For Power Enrich Disable Maximum Knock Retard (Not In PE) %VE Table #1 Offset (Port Open) %VE Table #2 Offset (Port Open) %VE Table #1 Offset (Port Closed) %VE Table #2 Offset (Port Closed) Main Spark Bias (Closed Port) Main Spark Bias (Port Open) Cool. Temp. Compensation Spark Adv. Bias Closed Throttle Spark Advance O. L. %Change to F/A Ratio Vs Cool. Bias Closed Loop Enable Cool. Temp (Low MAT) Closed Loop Enable Cool. Temp (High MAT) Closed Loop MAT High/Low Threshold Secondary Inj. On Pulse Width Scalar Port Throt. To Secondary Inj. Delay Cool. Temp Port Throt. Disable Threshold Cool. Temp Port Throt. Enable Threshold Oil Temp Port Throt. Disable Threshold Oil Temp Port Throt. Enable Threshold Minimum Allowable BLM Value Maximum Allowable BLM Value A/C Disable TPS Threshold A/C Disable Coolant Temp. Threshold A/C Disable Oil Temp. Threshold A/C Enable Oil Temp Threshold Hysteresis A/C Disable Speed Threshold A/C Disable RPM Threshold Max RPM to Check Valet Switch Max Speed to Check Valet Switch Road Speed Constant Instrument Panel VSS Pulse Divisor PROM ID TABLES ECM Switch Table ECM Constant Table Spark Advance #1 Vs. RPM Vs. Load (Port Closed) Spark Advance #2 Vs. RPM Vs. Load (Port Closed) Spark Advance #1 Vs. RPM Vs. Load (Port Open) Spark Advance #2 Vs. RPM Vs. Load (Port Open) Coolant Temp. Compensation Spark Advance Vs MAP Spark Retard Vs. MAT % Vol. Efficiency #1 Vs. RPM Vs. MAP (Port Open) % Vol. Efficiency #2 Vs. RPM Vs. MAP (Port Open) % Vol. Efficiency #1 Vs. RPM Vs. MAP (Port Closed) % Vol. Efficiency #2 Vs. RPM Vs. MAP (Port Closed) Port Throttle Opening Point Vs. RPM Port Throttle Closing Point Vs. RPM Target Idle RPM Vs. Coolant Temp. IAC Position Vs. Coolant Temp. TPS Threshold For Power Enrichment Vs RPM PE %Change to Fuel/Air Ratio Vs. Coolant Temp. PE % Change to Fuel/Air Ratio Vs. RPM Injector PW Correction Vs. Battery Voltage Open Loop %Change To Fuel /Air Ratio Vs Cool Temp Open Loop %Change To Fuel/Air Ratio Vs MAP Maximum Knock Retard Vs. RPM (in PE) Knock Retard Attack Rate Vs. RPM (Deg/msec) Knock Retard Recovery Rate Vs. RPM (%/sec) Accel Enrichment Factor Vs. Differential MAP Accel Enrichment Trim Correction Vs. Coolant Temp. Accel Enrichment Trim Correction Vs. MAT Accel Enrichment Decay Delay Vs. Coolant Temp. BLM Cell RPM Boundaries BLM Cell MAP Boundaries