Appendix A: Normalized PIDs
This table gives names, descriptions, units, and ranges to scale MTS samples (0-1023) to.
For the ECU mode 1 PID associated with each normalized PID, see the table after this
one.
typedef struct {
char name[26];
char description[32];
char units[12];
double min;
double max;
} _NORM_PID;
static _NORM_PID NormPids[] = {
// Short Name Description Units Min Max
"OBD_None", "None", "Volts", 0.0, 5.0,
"OBD_RPM", "Engine RPM", "RPM", 0.0, 10230.0,
"OBD_TP", "Throttle Position(abs)", "%", 0.0, 100.0,
"OBD_LOAD_PCT","Engine Load(calc)", "%", 0.0, 100.0,
"OBD_SPARKADV","Timing Advance(cyl1)", "degBTDC", -64.0, 63.5,
"OBD_MAF", "Mass Air Flow", "g/s", 0.0, 655.35,
"OBD_MAP", "Manifold Abs. Presure", "kPa", 0.0, 255.0,
"OBD_VSS", "Vehicle Speed Sensor", "km/h", 0.0, 255.0,
"OBD_ECT", "Engine Coolant Temp", "degC", -40.0, 215.0,
"OBD_IAT", "Intake Air Temp", "degC", -40.0, 215.0,
"OBD_PTO_STAT","PTO Status", "PTO", 0.0, 1.0,
"OBD_FUEL1_OL","Fuel Sys1 Open Loop", "OL", 0.0, 1.0,
"OBD_FUEL2_OL","Fuel Sys2 Open Loop", "OL", 0.0, 1.0,
"OBD_SHRTFT1", "Short Term Fuel Trim 1", "%", -100.0, 99.22,
"OBD_LONGFT1", "Long Term Fuel Trim 1", "%", -100.0, 99.22,
"OBD_SHRTFT2", "Short Term Fuel Trim 2", "%", -100.0, 99.22,
"OBD_LONGFT2", "Long Term Fuel Trim 2", "%", -100.0, 99.22,
"OBD_SHRTFT3", "Short Term Fuel Trim 3", "%", -100.0, 99.22,
"OBD_LONGFT3", "Long Term Fuel Trim 3", "%", -100.0, 99.22,
"OBD_SHRTFT4", "Short Term Fuel Trim 4", "%", -100.0, 99.22,
"OBD_LONGFT4", "Long Term Fuel Trim 4", "%", -100.0, 99.22,
"OBD_FRP", "Fuel Rail Pressure", "kPa", 0.0, 765.0,
"OBD_FRP_MED", "Fuel Rail Pressure", "kPa", 0.0, 5177.27,
"OBD_FRP_HIGH","Fuel Rail Pressure", "kPa", 0.0, 655350.0,
"OBD_EQ_RAT", "Commanded Equiv. Ratio", "lambda", 0.0, 1.999,
"OBD_LOAD_ABS","Absolute Load Value", "%", 0.0, 802.75,
"OBD_EGR_PCT", "Commanded EGR", "%", 0.0, 100.0,
"OBD_EGR_ERR", "EGR Error", "%", -100.0, 99.22,
"OBD_TP_R", "Throttle Position(rel)", "%", 0.0, 100.0,
"OBD_TP_B", "Throttle Position B(abs)", "%", 0.0, 100.0,
"OBD_TP_C", "Throttle Position C(abs)", "%", 0.0, 100.0,
"OBD_APP_D", "Acc. Pedal Position D", "%", 0.0, 100.0,
"OBD_APP_E", "Acc. Pedal Position D", "%", 0.0, 100.0,
"OBD_APP_F", "Acc. Pedal Position D", "%", 0.0, 100.0,
"OBD_TAC_PCT", "Commanded Throttle", "%", 0.0, 100.0,
"OBD_EVAP_PCT","Commanded Evap. Purge", "%", 0.0, 100.0,
"OBD_EVAP_VP", "Evap. Vapor Pressure", "Pa", -8192.0, 8191.0,
"OBD_AIR_UPS", "Secondary Air DNS", "UPS", 0.0, 1.0,
"OBD_AIR_DNS", "Secondary Air DNS", "DNS", 0.0, 1.0,
"OBD_AIR_OFF", "Secondary Air DNS", "OFF", 0.0, 1.0,
"OBD_FLI", "Fuel Level Indicator", "%", 0.0, 100.0,
"OBD_BARO", "Barometric Pressure", "kPa", 0.0, 255.0,
"OBD_AAT", "Ambient Air Temp", "degC", -40.0, 215.0,
"OBD_VPWR", "Control Module Voltage", "Volts", 0.0, 65.535,
"OBD_MIL", "Malfunction Indicator Lamp", "MIL", 0.0, 1.0,
"OBD_DTC_CNT", "DTC Count", "DTCs", 0.0, 1023.0,
"OBD_MIL_DIST","Distance MIL active", "km", 0.0, 65535.0,
"OBD_MIL_TIME","Hours MIL active", "hours", 0.0, 1023.0,
"OBD_CLR_DIST","Distance MIL clear", "km", 0.0, 65535.0,
"OBD_WARM_UPS","Warm Ups MIL clear", "WUs", 0.0, 1023.0,
"OBD_RUNTM", "Run Time", "mins", 0.0, 1023.0,
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