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Home >> Mazda >> 2022 >> CX-5 Turbo Signature >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (On-Board Diagnostic - Engine Control System (VIN M) (3 Of 7)) >> DTC P0457-00: Fuel-Filler Cap Installation Malfunction >> Details On DTCs

Details On DTCs

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DTC P0457-00: (PCM, VIN M) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION Fuel-filler cap installation malfunction
DETECTION CONDITION Determination conditions
  • Hole of 0.09 in (2.25 mm) or more in evaporative gas passage
Preconditions
  • Evaporative gas flow amount: Exceeds 10, 000 cm3 /min or fuel tank vacuum is high
  • Fuel tank pressure: -4340.2-4030.1 Pa {-442.57-410.94 kgf/m2 , -0.62949-0.58451 psi}
  • IAT sensor No. 1: 4.44-43.33 °C {40.0-109.9 °F}
  • Vehicle speed: 64-145 km/h {40.0-90.0 mph}*1
  • Barometric pressure: 72.23 kPa {0.7365 kgf/cm2 , 10.48 psi} or more*1
  • Period ignition is switched off before engine starts: 210 min or more
  • Fuel level in fuel tank: 15-85 %*1
  • Minimum value of intake manifold vacuum: 4 kPa {0.04 kgf/cm2 , 0.6 psi} or more
  • Minimum value of intake air amount: more than 2 g/sec
  • Battery voltage: more than 11V*1
  • The following DTCs are not detected:
    • ECT sensor No.l: P0117-00:, P0118-00:
    • TP sensor No.l: P0122-00:, P0123-00:
    • TP sensor No. 2: P0222-00:, P0223-00:
    • Purge solenoid valve: P0443-00:
    • CV solenoid valve: P0446-00:
    • MAF sensor: P0100-00:
    • Fuel tank pressure sensor: P0451-00:, P0452-00:, P0453-00:
    • IAT sensor No. 1: P0110-00:
    • MAP sensor: P0069-00:, P0107-00:, P0108-00:
    • BARO sensor: P2226-00:, P2228-00:, P2229-00:
    • VSS signal: P0500-00:
      • Fuel gauge sender unit: P0460-00:, P0461-00:, P0462-00:, P0463-00:

    *1 : Standard can be verified by displaying PIDs using M-MDS

Drive cycle
Self test type
  • CM DTC self test
Sensor used
  • Fuel tank pressure sensor
FAIL-SAFE FUNCTION
  • Not applicable
VEHICLE STATUS WHEN DTCs ARE OUTPUT
  • Illuminates check fuel cap warning light (DTC P0457-00: detected).
  • The check fuel cap warning indication is displayed on the multi-information display. (With multi-information display)
  • Illuminates check engine light (after two drive cycle since P0457-00: was detected).
POSSIBLE CAUSE
  • Missing or loose fuel filler cap
  • Fuel filler cap malfunction
  • PCM malfunction