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Home >> Mazda >> 2024 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control - Introduction (2 Of 2) >> PID/Data Monitor Table [Pcm ]
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PID/Data Monitor Table [Pcm ]

-: Not applicable

PID/DATA MONITOR (PCM - SKYACTIV-G)

PID Unit/Operation Data contents
A/C_PRES_AFT__COMP kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays refrigerant pressure input from refrigerant pressure sensor No. 2.
A/C_PRES_AFT_COMP V
  • Displays refrigerant pressure sensor No. 2 voltage.
A/C_PRES_BEF_EXP_VLV kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays refrigerant pressure input from refrigerant pressure sensor No. 1.
A/C_PRES_BEF_EXP_VLV V
  • Displays refrigerant pressure sensor No. 1 voltage.
A/C_REQ No (False)/Yes (True)
  • Displays A/C switch status received by PCM via CAN.
A/C_SW FALSE/TRUE
  • Displays the magnetic clutch engaged condition.
A/C_VLV_DUTY_COMD %
  • Displays compressor valve (built-into A/C compressor) control duty value.
A/F_SEN_CUR mA
  • Displays A/F sensor current.
A/F_SEN_EQUIVALENCE_RATIO Undefined/Not Used
  • Displays excess air factor (estimated value) to theoretical air/fuel ratio (14.7) by fuel feedback control.
A/F_SEN_HEAT %
  • Displays A/F sensor heater control duty value.
A/F_SEN_HEAT Off/On
  • Displays A/F sensor heater operation status.
A/F_SEN_OUT_VOLT V
  • Displays A/F sensor output voltage.
AIRSHUT_CAL_STAT Grille Shutter Module "A" Is Not Calibrated/Grille Shutter Module "A" Is Half Calibrated In Direction Open/Grille Shutter Module "A" Is Half Calibrated In Direction Closed/Grille Shutter Module "A" Is Fully Calibrated
NOTE:
  • Displays in the M-MDS but it does not operate.
AIRSHUT_POS_ACT % Open
NOTE:
  • Displays in the M-MDS but it does not operate.
AIRSHUT_POS_COMD % Open
NOTE:
  • Displays in the M-MDS but it does not operate.
ALT_FIELD_CTRL_DUTY_OUT %
  • Displays field coil current control signal output to generator.
ALT_VOLT_OUT_ACT V
  • Displays generator output voltage.
AMB_AIR_TEMP °C,°F
  • Displays ambient air temperature.
AMB_AIR_TEMP_RAW °C,°F
  • Displays actually measured ambient temperature input from ambient temperature sensor.
APP_MODE Accelerator Pedal Is Partially Depressed/Accelertor Pedal Is Fully Depressed/Accelerator Pedal Is Not Depressed
  • Displays accelerator pedal depression status.
APP_RELAT %
  • Displays accelerator pedal opening angle (relative value) with the fully released status as 0% and fully depressed status as 100%.
APP1 %
  • Displays accelerator pedal opening angle (absolute value) input from APP sensor No. 1.
APP1 V
  • Displays APP sensor No. 1 voltage.
APP2 %
  • Displays accelerator pedal opening angle (absolute value) input from APP sensor No. 2.
APP2 V
  • Displays APP sensor No. 2 voltage.
AUTH_RESULT Not Complete/Enable/Disable
  • Displays the PCM status.
AUTH_STAT Initial/Transfer Timer Expired/Transfer Complete/Wait for Response/Wait for Message/Response Timer Expired/Disable Message Received/Prameter
Reset Running
  • Displays the PCM authentification status.
AWD_CLTCH_CUR_COMD Amp
NOTE:
  • Displays in the M-MDS but it does not operate.
AWD_CLTCH_TRQ_COMD N.m
NOTE:
  • Displays in the M-MDS but it does not operate.
BARO kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays actually measured barometric pressure input from BARO sensor built into PCM.
BATT_CUR Amp
  • Displays battery charge/discharge current.
BATT_DAY Day
  • Displays the elapsed days from connecting the battery.
BATT_RES mOhm
  • Displays battery internal resistance (estimated).
BATT_SOC %
  • Displays battery charge condition (estimated).
BATT_TEMP °C,°F
  • Displays battery fluid temperature.
BATT_VOLT V
  • Displays battery voltage.
BOOST_AIR_TEMP °C,°F
NOTE:
  • Displays in the M-MDS but it does not operate.
BOOST_AIR_TEMP_VOLT V
NOTE:
  • Displays in the M-MDS but it does not operate.
BOOST_PRES_ACT kPa {MPA}, mBar {BAR}, psi, in H20
NOTE:
  • Displays in the M-MDS but it does not operate.
BOOST_PRESACT_VOLT V
NOTE:
  • Displays in the M-MDS but it does not operate.
BOOST_PRES_DSD kPa {MPA}, mBar {BAR}, psi, in H20
NOTE:
  • Displays in the M-MDS but it does not operate.
BRK_BSTR_PRES_ACT kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays power brake unit vacuum input from vacuum sensor 2.
BRK_BSTR_PRES_VOLT V
  • Displays vacuum sensor 2 voltage.
BRK_FLD_PRES kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays brake fluid pressure actual value via CAN communication received from brake fluid pressure sensor built into DSC HU/CM.
BRK_SW1 FALSE/TRUE
  • Displays brake switch (No. 1 signal) status.
BRK_SW2 FALSE/TRUE
  • Displays brake switch (No. 2 signal) status.
CAT_TEMP °C,°F
  • Displays estimated catalytic converter temperature.
CHARGE_LAMP No (False)/Yes (True)
  • Displays charging system warning indication display condition/charging system warning light illumination condition.
CLR_DTC_DIST km, ft, mi
  • Displays distance after DTC cleared.
CLTCH_CUT_SW OFF/ON
  • Displays starter interlock switch status.
CLTCH_PEDAL_POS %
  • Displays clutch pedal position input from clutch stroke sensor.
CSTR_VENT_SOL_DUTY %
  • Displays CV solenoid valve operation status.
DOOR_SW Active/Not Active
  • Displays door latch switch status.
ECT °C,°F
  • Displays engine coolant temperature input from ECT sensor No. 1.
ECT_VOLT V
  • Displays ECT sensor No. 1 voltage.
ECT2 °C,°F
  • Displays engine coolant temperature input from ECT sensor No. 2.
ECT2_VOLT V
  • Displays ECT sensor No. 2 voltage.
EGR_COMD %
NOTE:
  • Displays in the M-MDS but it does not operate.
EGR_STEP_MOTOR_POS_ step
NOTE:
  • Displays in the M-MDS but it does not operate.
ENG_COOL_VLV_POS_ACT °(deg)
NOTE:
  • Displays in the M-MDS but it does not operate.
ENG_COOL_VLV_POS_COMD °(deg)
NOTE:
  • Displays in the M-MDS but it does not operate.
ENG_OIL_LVL mm
  • Displays engine oil level.
ENG_OIL_TEMP °C,°F
  • Displays engine oil temperature.
ENG_RPM Rpm
  • Displays engine speed.
ENG_RPM_DSD Rpm
  • Displays target engine speed.
EQUIVALENCE _RATIO_COMD Undefined/Not Used
  • Displays target excess air factor (estimated value) to theoretical air/fuel ratio (14.7) by fuel feedback control.
EVAP_PRES V
  • Displays purge solenoid valve voltage.
EX_FLOW_RATE kg/h
  • Displays exhaust gas amount.
EX_SHUT_VLV_ACT °(deg)
NOTE:
  • Displays in the M-MDS but it does not operate.
EX_SHUT_VLV_DSD °(deg)
NOTE:
  • Displays in the M-MDS but it does not operate.
FAN %
  • Displays the required rotation speed of the cooling fan.
FDIL_JD Engine Oil hasn't diluted by gasoline./Engine Oil has diluted by gasoline.
  • Displays if the engine oil is diluted due to fuel penetration.
FLI %
  • Displays fuel level.
FP_DUTY %
  • Displays fuel pump control module control duty value.
FRP kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays fuel distributor pressure.
FTP Pa
  • Displays fuel tank inside pressure.
FUEL_CAP_LAMP No (False)/Yes (True)
  • Displays check fuel cap warning indication display condition/check fuel cap warning light illumination condition.
FUEL_INJ_AMOUNT g/cyl
  • Displays the fuel injection amount per 1 cylinder.
FUEL_PRES V
  • Displays fuel pressure sensor voltage.
FUEL_PRES kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays fuel pressure input from fuel pressure sensor.
FUEL_PRES_COMD kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays target fuel pressure (high pressure fuel pump).
FUEL_PULSE_WD microseconds
  • Displays fuel injection pulse width (fuel injector energization time) output to fuel injector.
FUEL_PUMP_DSD kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays target fuel pressure (high pressure fuel pump).
FUEL_PUMP_REQ Off/On
  • Displays fuel pump operation status.
FUEL_RAIL_TEMP °C,°F
  • Displays fuel distributor temperature.
FUELSYS_CL Yes/No
  • Feedback status of fuel injection control is displayed.
    • During feedback control by A/F sensor and HO2S
FUELSYS_CL_FAULT Yes/No
  • Feedback status of fuel injection control is displayed.
    • During feedback control with either A/F sensor or HO2S having a malfunction
FUELSYS_OL Yes/No
  • Feedback status of fuel injection control is displayed.
    • Feedback control is disabled at cold engine start
FUELSYS_OL_DRIVE Yes/No
  • Feedback status of fuel injection control is displayed.
    • While feedback control is stopped
FUELSYS_OL_FAULT Yes/No
  • Feedback status of fuel injection control is displayed.
    • Feedback control is disable due to system malfunction
GEAR Unknown/Forward Drive 1/Forward Drive 2/Forward Drive 3/Forward Drive 4/Forward Drive 5/Forward Drive 6/Forward Drive 7/Forward Drive 8/Not In
Park/Park/Neutral/Drive/Reverse
  • Displays selector lever position.
GEN_DUTY_ACT %
  • Displays generator monitor duty cycle.
GEN_VOLT_COMD V
  • Displays generator voltage desired.
H_SPD_FAN Off/On
  • Displays the cooling fan (high speed range) control status.
HO2S_FUEL_TRIM %
  • Displays fuel correction amount based on HO2S signal including SHRT_FUEL_TRIM_HO2S_SEN and LONG_FUEL_TRIM_HO2S_SEN.
HO2S_HEAT %
  • Displays HO2S heater control duty value.
HO2S_HEAT Off/On
  • Displays HO2S heater operation status.
HO2S_OUT_VOLT V
  • Displays HO2S output voltage.
HOOD_SW Active/Not Active
  • Displays hood latch switch status.
HV_EV_BATT_CUR A
NOTE:
  • Displays in the M-MDS but it does not operate.
HV_EV_BATT_SOC %
NOTE:
  • Displays in the M-MDS but it does not operate.
HV_EV_BATT_VOLT_BEF_START V
NOTE:
  • Displays in the M-MDS but it does not operate.
IAT V
  • Displays IAT sensor No. 1 voltage.
IAT °C,°F
  • Displays intake air temperature input from IAT sensor No. 1 via SENT communication.
IAT1 °C,°F
  • Displays intake air temperature input from IAT sensor No. 1.
IAT2 V
  • Displays IAT sensor No. 2 voltage.
IAT2 °C,°F
  • Displays intake air temperature input from IAT sensor No. 2.
INGEAR FALSE/TRUE
  • Displays gears are engaged.
INJ Fuel Injectors under PCM control/Fuel Injector 1 requested closed/Fuel Injector 2 requested closed/Fuel Injector 3 requested closed/Fuel Injector 4 requested closed/Fuel Injector 5 requested closed/Fuel Injector 6 requested closed/Fuel Injector 7 requested closed/Fuel Injector 8 requested closed/Fuel Injector 9 requested closed/Fuel Injector 10 requested closed/Fuel Injector 11 requested closed/Fuel Injector 12 requested closed/All Fuel Injectors requested closed
  • Displays the fuel injector control status while the engine is idling.
I-STOP_D_SW OFF/ON
  • Displays selection condition of shift lever (D range).
I-STOP_N_SW OFF/ON
  • Displays neutral switch No. 1 status.
I-STOP_OFF_SW OFF/ON
  • Displays i-stop OFF switch status.
I-STOP_VEH_STOP OFF/ON
  • Displays vehicle stop determination status.
I-STOP_VSPD_HIST OFF/ON
  • Displays detection status of vehicle speed that meets i-stop operation conditions.
KNOCK_LRN Undefined/Not Used
  • Displays knock control system learning value.
KNOCK_RTD °(deg)
  • Displays ignition timing correction for suppressing engine knock (Performs retard correction (negative indication) according to the occurrence of engine knock, and it approaches approx. 0° by the advance correction due to engine knock suppression.)
L_SPD_FAN Off/On
  • Displays the cooling fan (low speed range) control status.
LOAD %
  • Displays charging efficiency (absolute value).
    • Ratio of actual amount of intake air to the maximum air charging amount (mass volume) of cylinder
LOAD_CALC %
  • Displays charging efficiency (calculated value).
    • Ratio of actual amount of intake air to the maximum air charging amount (mass volume) of cylinder
LONG_FUEL_TRIM %
  • Displays fuel learning correction amount estimated based on A/F sensor signal.
LONG_FUEL_TRIM_HO2S_SEN %
  • Displays fuel learning correction amount estimated based on HO2S signal.
LOW_FUEL_PRES_SEN V
  • Displays fuel rail pressure.
M_SPD_FAN Off/On
  • Displays the cooling fan (middle speed range) control status.
MAF V
  • Displays MAF sensor voltage.
MAF g/s
  • Displays mass air flow input from MAF sensor.
MANUAL_GEAR_POS Neutral/First gear/Second gear/Third gear/Fourth gear/Fifth gear/Sixth gear/Reverse gear/Undefined gear/Not used/No sensor fitted (i.e. auto)/Gear shift in progress/Y sensor fault, transmission in neutral/Y sensor fault, transmission in undefined gear/Y sensor fault, gear change in progess/Errorstate
  • Displays manual gear position.
MAP kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays manifold absolute pressure input from MAP sensor.
MAP_VOLT V
  • Displays MAP sensor voltage.
MIL Off/On
  • Displays check engine light illumination status.
MIL_DIST km, ft, mi
  • Displays travelled distance since check engine light illuminated.
MISFIRE_CAT_TOTAL Undefined/Not Used
  • Displays number of misfires (total number in all cylinders) leading to catalytic converter temperature increase.
MISFIRE_CYL1_CAT Undefined/Not Used
  • Displays number of misfires in No. 1 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL1_EMI Undefined/Not Used
  • Displays number of misfires in No. 1 cylinder under conditions required by emission regulations.
MISFIRE_CYL2_CAT Undefined/Not Used
  • Displays number of misfires in No. 2 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL2_EMI Undefined/Not Used
  • Displays number of misfires in No. 2 cylinder under conditions required by emission regulations.
MISFIRE_CYL3_CAT Undefined/Not Used
  • Displays number of misfires in No. 3 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL3_EMI Undefined/Not Used
  • Displays number of misfires in No. 3 cylinder under conditions required by emission regulations.
MISFIRE_CYL4_CAT Undefined/Not Used
  • Displays number of misfires in No. 4 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL4_EMI Undefined/Not Used
  • Displays number of misfires in No. 4 cylinder under conditions required by emission regulations.
MISFIRE_CYL5_CAT Undefined/Not Used
  • Displays number of misfires in No. 5 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL5_EMI Undefined/Not Used
  • Displays number of misfires in No. 5 cylinder under conditions required by emission regulations.
MISFIRE_CYL6_CAT Undefined/Not Used
  • Displays number of misfires in No. 6 cylinder leading to catalytic converter temperature increase (catalytic converter temperature increases due to fuel combustion around catalytic converter after misfire).
MISFIRE_CYL6_EMI Undefined/Not Used
  • Displays number of misfires in No. 6 cylinder under conditions required by emission regulations.
MISFIRE_EMI_TOTAL Undefined/Not Used
  • Displays number of misfires (total number in all cylinders) under conditions required by emission regulations.
MISFIRE_FIRCYC_COUNT_CAT Undefined/Not Used
  • Displays threshold of malfunction determination for number of misfires (total number in all cylinders) leading to catalytic converter temperature increase.
MISFIRE_FIRCYC_COUNT_EMI Undefined/Not Used
  • Displays threshold of malfunction determination for number of misfires (total number in all cylinders) under conditions required by emission regulations.
OIL_PRES kPa {MPA}, mBar {BAR}, psi, in H20
  • Displays engine oil pressure.
OIL_PRES_SOL OFF/ON
  • Displays engine oil solenoid valve operation status.
OIL_PUMP_DUTY % Duty Cycle
  • Displays engine oil pressure control circuit duty cycle.
OIL_TEMP °C,°F
  • Displays engine oil temperature (estimated).
PRG_DUTY %
  • Displays purge solenoid valve control duty value.
REV_SW FALSE/TRUE
  • Displays back-up light switch status.
SHRT_FUEL_TRIM %
  • Displays fuel feedback correction amount estimated based on A/F sensor signal.
SHRT_FUEL_TRIM_HO2S_SEN %
  • Displays fuel feedback correction amount estimated based on HO2S signal.
SPARK_ADV °(deg)
  • Displays ignition timing. (BTDC)
THERMOSTAT @
  • Indicates heat radiation rate (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) when thermostat monitoring is finished.
THERMOSTAT °C,°F
  • Indicates engine coolant temperature when thermostat monitoring is finished.
THERMOSTAT_MAX unitless
  • Indicates lower limit of heat radiation rate (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) thermostat monitoring execution.
THERMOSTAT_MAX °C,°F
  • Indicates lower limit of engine coolant temperature for thermostat monitoring execution.
THERMOSTAT_MIN @
  • Indicates upper limit of heat radiation rate (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) thermostat monitoring execution.
THERMOSTAT_MIN °C,°F
  • Indicates upper limit of engine coolant temperature for thermostat monitoring execution.
THRO_ACTAT_COMD %
  • Displays throttle valve actuator operation status.
THRO_ANG_ACT °(deg)
  • Displays actual throttle valve position angle.
THRO_ANG_COMD °(deg)
  • Displays target throttle valve position angle.
TP_RELAT %
  • Displays throttle valve opening angle (relative value) with value at throttle valve fully close timing as the start point.
TP_VOLT_CLOSE_STOP1 V
  • Displays the minimum value of the TP sensor No. 1 output voltage when the throttle valve is fully closed.
TP_VOLT_CLOSE_STOP V
  • Displays the minimum value of the TP sensor No. 2 output voltage when the throttle valve is fully closed.
TP1 V
  • Displays TP sensor No. 1 voltage.
TP1 %
  • Displays throttle valve position No. 1.
TP2 V
  • Displays TP sensor No. 2 voltage.
TP2 %
  • Displays throttle valve position No. 2.
VLV_TIMING_ACT_EX °(deg)
  • Displays actual exhaust variable valve timing-Retard amount from max advance position.
VLV_TIMING_ACT_IN °(deg)
  • Displays actual intake variable valve timing -Advance amount from max retard position.
VLV_TIMING_DSD_EX °(deg)
  • Displays target exhaust variable valve timing-Retard amount from max advance position.
VLV_TIMING_DSD_IN °(deg)
  • Displays target intake variable valve timing -Advance amount from max retard position.
VLV_TIMING_EX %
  • Displays OCV control duty value.
VLV_TIMING_IN %
  • Displays electric variable valve control duty value.
VPWR V
  • Displays battery voltage.
VSS Kph, Mph
  • Displays vehicle speed.
WASTEGATE_POS_ACT %
NOTE:
  • Displays in the M-MDS but it does not operate.
WASTEGATE_POS_ACT_VOLT V
NOTE:
  • Displays in the M-MDS but it does not operate.
WASTEGATE_POS_DSD %
NOTE:
  • Displays in the M-MDS but it does not operate.
WASTEGATE_POS_SIMULATN %
NOTE:
  • Displays in the M-MDS but it does not operate.
WHEEL_DRIVE_CTRL_COMD -
NOTE:
  • Displays in the M-MDS but it does not operate.
WHEEL_TRQ_EST N.m
  • Displays total torque estimated value for all wheels.
WHEEL_TRQ_REQ N.m
  • Displays total torque target value for all wheels.
WSPD_L/F Kph, Mph
  • Displays rotation speed of wheel (LF).
WSPD_L/R Kph, Mph
  • Displays rotation speed of wheel (LR).
WSPD_R/F Kph, Mph
  • Displays rotation speed of wheel (RF).
WSPD_R/R Kph, Mph
  • Displays rotation speed of wheel (RR).