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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> No. 12 Lack/Loss Of Power-Acceleration/Cruise >> Related PIDs
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Related PIDs

Item (definition) Unit/Condition Definition Condition/Specification (Reference)
APP1 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 1
  • Accelerator pedal released: Approx. 16%
  • Accelerator pedal fully depressed: Approx. 91%
V APP sensor No. 1 voltage
  • Accelerator pedal released: Approx. 0.78 V
  • Accelerator pedal fully depressed: Approx. 4.54 V
APP2 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 2
  • Accelerator pedal released: Approx. 7.84%
  • Accelerator pedal fully depressed: Approx. 45.49%
V APP sensor No. 2 voltage
  • Accelerator pedal released: Approx. 0.39 V
  • Accelerator pedal fully depressed: Approx. 2.27 V
CPP/PNP (MTX) Off/On Shift lever position
  • Other than neutral: Off
  • Neutral: On
ECT °C, °F Engine coolant temperature input from ECT sensor No. 1
  • Displays ECT
V ECT sensor No. 1 voltage Ignition switched ON (engine off)
  • ECT is 29°C {84°F}: Approx. 2.65 V

Idle (after warm up)
  • ECT is 88°C {190°F}: Approx. 0.71 V
FUEL_PRES KPa {MPA}, mBar {BAR}, psi, in H20 Fuel pressure input from fuel pressure sensor
  • Displays fuel pressure
V Fuel pressure sensor voltage Without coolant control valve
  • Idle (ECT 80°C {176°F})
    • Fuel pressure is 3 MPa {31 kgf/cm 2 , 435 psi}: Approx. 0.9 V
With coolant control valve
  • Idle (ECT 80°C {176°F})
    • Fuel pressure is 10 MPa {102 kgf/cm 2 , 1450 psi}: Approx. 1.4 V
IAT °C, °F Intake air temperature (No. 1) input from IAT sensor No. 1
  • Displays IAT (No. 1)
V IAT sensor No. 1 voltage
  • IAT is 20°C {68°F}: Approx. 2.70 V
  • IAT is 40°C {104°F}: Approx. 1.80 V
  • IAT is 60°C {140°F}: Approx. 1.20 V
LOAD % Ratio of actual amount of intake air to the maximum air charging amount (mass volume) of cylinder
  • Idle (after warm up): Approx. 22.35%
  • Racing (engine speed is 2, 000 RPM): Approx. 17.25%
  • Racing (engine speed is 4, 000 RPM): Approx. 19.21%
LONGFT1 % Fuel learning correction amount estimated based on A/F sensor signal
  • Idle (after warm up): Approx. -6.25%
  • Racing (engine speed is 2, 000 RPM): Approx. -3.9%
  • Racing (engine speed is 4, 000 RPM): Approx. -3.9%
MAF g/Sec Mass air flow input from MAF sensor
  • Displays MAF
V MAF sensor voltage Without coolant control valve
  • Ignition switched ON (engine off) (MAF: 0.59 g/s {0.078 lb/min}): Approx. 0.72 V
  • Idle (after warm up) (MAF: 2.17 g/s {0.287 lb/min}): Approx. 0.97 V
  • Racing (engine speed is 2, 000 RPM) (MAF: 4.73 g/s {0.626 lb/min}): Approx. 1.26 V

With coolant control valve
  • Ignition switched ON (engine off) (MAF: 0.00 g/s {0 lb/min}): Approx. 1.69 V (ECT is 53°C {127°F})
  • Idle (after warm up) (MAF: 2.50 g/s {0.331 lb/min}): Approx. 1.89 V (ECT is 93°C {199°F})
  • Racing (engine speed is 2, 000 RPM) (MAF: 3.80 g/s {0.503 lb/min}): Approx. 2.02 V (ECT is 95°C {203°F})
MAP KPa {MPA}, mBar {BAR}, psi, in H20 Manifold absolute pressure input from MAP sensor
  • Displays MAP
MAP_V V MAP sensor voltage
  • Ignition switched ON (engine off) (MAP:101 kPa {1.03 kgf/cm 2 , 14.6 psi}): Approx. 4.12 V
  • Idle (after warm up) (MAP: 33 kPa {0.34 kgf/cm 2 , 4.8 psi}): Approx. 1.9 V
  • Racing (engine speed is 2, 000 RPM) (MAP: 26 kPa {0.27 kgf/cm 2 , 3.8 psi}): Approx. 1.23 V
O2S11 μA A/F sensor current
  • Idle (after warm up): 0-50 μA
  • Deceleration fuel cut (accelerator pedal released from engine speed of 4, 000 RPM or more): Approx. 3.84 mA
O2S12 V HO2S voltage
  • Idle (after warm up): 0-1.0 V
  • Deceleration fuel cut (accelerator pedal released from engine speed of 4, 000 RPM or more): Approx. 0 V
RPM RPM Engine speed
  • Displays engine speed
SHRTFT1 % Fuel feedback correction amount estimated based on A/F sensor signal
  • Idle (after warm up): Approx. 0%
  • Racing (engine speed is 2, 000 RPM): Approx. 1.56%
  • Racing (engine speed is 4, 000 RPM): Approx. -4.68%
TP_REL % Throttle valve opening angle (relative value) with value at throttle valve fully close timing as the start point
  • Accelerator pedal released: Approx. 12%
  • Accelerator pedal fully depressed: Approx. 82%
VSS KPH, MPH Vehicle speed
  • Displays vehicle speed
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