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Home >> Mazda >> 2021 >> CX-5 Sport, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (On-Board Diagnostic - Engine Control (VIN Y) (1 Of 3)) >> DTC P0171-00: Fuel Trim System Too Lean >> PID Item/Simulation Item Used In Diagnosis >> PID/DATA monitor item table

PID/DATA monitor item table

WARNING: This page is about a different variant/trim than selected.
PID/DATA MONITOR PART SPECIFICATION

Item Definition Unit Condition/Specification
APP Accelerator pedal opening angle (relative value) with the fully released status as 0% and fully depressed status as 100% %
  • Accelerator pedal released: Approx. 0%
  • Accelerator pedal fully depressed: Approx. 100%
ECT Engine coolant temperature input from ECT sensor °C, °F
  • Displays ECT
ECT sensor voltage V 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
EVAPCP Purge solenoid valve control duty value %
  • Idle (after warm up): 0% (Engine coolant temperature 59 °C {140 °F} or less)
  • Racing (Engine speed 2, 000 rpm): 33-35% (ECT is 94 °C {201 °F})
  • Racing (Engine speed 4, 000 rpm): 53-55% (ECT is 94 °C {201 °F})
FP Fuel pump operation status Off/On
  • Ignition switched ON (engine off): Off
  • Cranking: On
  • Idle (after warm up): On
FUEL_PRES Fuel pressure input from high fuel pressure sensor KPa {MPA}, mBar {BAR}, psi, in H20
  • Displays fuel pressure
Fuel pressure (absolute) input from high fuel pressure sensor KPa {MPA}, mBar {BAR}, psi, in H20
  • Displays fuel pressure (absolute)
High fuel pressure sensor voltage V Ignition switched ON (engine off)
  • Fuel pressure is approx. 16.91 MPa {172.4 kgf/cm 2 , 2453 psi}: Approx. 2.91 V

Idle (after warm up)
  • Fuel pressure is 3.44-3.95 MPa {35.1-40.2 kgf/cm 2 , 499-572 psi}: 0.98-1.05 V (ECT is 90 °C {194 °F})
IAT2 Intake air temperature (No. 2) input from IAT sensor No. 2 °C, °F
  • Displays IAT (No. 2)
IAT sensor No. 2 voltage V
  • IAT2 is 20 °C {68 °F}: Approx. 3.57 V
  • IAT2 is 40 °C {104 °F}: Approx. 2.70 V
  • IAT2 is 60 °C {140 °F}: Approx. 1.87 V
MAF Mass air flow input from MAF sensor g/Sec
  • Displays MAF
MAF sensor voltage V
  • Ignition switched ON (engine off) (MAF: 0.65 g/s {0.086 lb/min}):

Approx. 0.72 V
  • Idle (after warm up) (MAF: 2.78 g/s {0.368 lb/min}): Approx. 0.86 V
  • Racing (engine speed is 2, 000 rpm) (MAF: 7.74 g/s {1.02 lb/min}): Approx. 1.14 V
MAP Manifold absolute pressure input from MAP sensor KPa {MPA}, mBar {BAR}, psi, in H20
  • Displays MAP
MAP_V MAP sensor voltage V
  • Ignition switched ON (engine off) (MAP:101 kPa {1.03 kgf/cm 2 , 14.6 psi}): Approx. 1.81 V
  • Idle (after warm up) (MAP: 33 kPa {0.34 kgf/cm 2 , 4.8 psi}): Approx. 0.91 V
  • Racing (engine speed is 2, 000 rpm) (MAP: 26 kPa {0.27 kgf/cm 2 , 3.8 psi}): Approx. 0.83 V
O2S11 A/F sensor current μA
  • 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
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%
VT_EX_ACT Actual exhaust variable valve timing control
  • Retard amount from max advance position
° (deg)
  • Displays actual exhaust variable valve timing-retard amount from max advance position
VT_EX_DES Target exhaust variable valve timing control
  • Retard amount from max advance position
° (deg)
  • Displays target exhaust variable valve timing-retard amount from max advance position
VT_IN_ACT Actual intake variable valve timing control
  • Advance amount from max retard position
° (deg)
  • Displays actual intake variable valve timing-advance amount from max retard position Idle (after warm up)
    • Approx. 57°

    Racing (engine speed is 2, 000 rpm)

    • Approx. 84°
VT_IN_DES Target intake variable valve timing control
  • Advance amount from max retard position
° (deg)
  • Displays target intake variable valve timing-advance amount from max retard position Idle (after warm up)
    • Approx. 0°

    Racing (engine speed is 2, 000 rpm)

    • Approx. 29°