ECM Data Parameters:
- ED01 Throttle position displayed in volts from 0 to 5.10.
- ED04 Coolant temperature displayed in degrees Celsius (°C) from -40 to 151.
- ED06 Injector pulse width displayed in milliseconds (ms) from 0 to 100.2.
- ED07 O2 sensor voltage displayed in volts from 0 to 1.128.
- ED08 Spark advance displayed in degrees from 0 to 70, similar to engine timing in degrees.
- ED10 Battery voltage read in volts from 0 to 25.5.
- ED11 Engine speed displayed in RPM from 0 to 6375. (May display 20 with ignition ON, engine OFF).
- ED12 Vehicle speed displayed in miles per hour from 0 to 159.
- ED16 Knock retard displayed in degrees of timing pulled out from 0 to 45.
- ED17 Knock sensor activity displayed as counts, an arbitrary number that increases from 0 to 9999 according to amount of activity from knock sensor.
- ED18 Oxygen sensor cross counts displayed as number of times O2 sensor crossed reference line each second.
- ED19 Fuel integrator displayed in counts from 0 to 255.
- ED20 Block learn multiplier displayed in counts from 0 to 255.
- ED21 Mass airflow sensor displayed in grams per second of air flow from 0 to 255.
- ED22 Idle air control displayed in steps of travel from 0 to 255.
- ED23 Manifold air temperature displayed in degrees Celsius (°C) from -40 to 152.
- ED98 Ignition cycle counter value is number of times the ignition has been cycled to OFF since ECM trouble code was last detected. After 50 ignition cycles without any malfunctions being detected, all stored ECM codes are cleared.
- ED99 ECM Prom ID displayed as number up to 4 digits long which can be used to identify MEM-CAL/PROM installed in ECM.