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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 P0442-00, P0455-00, P0456-00: Evaporative Gas Leakage >> Details On DTCs

Details On DTCs

WARNING: This page is about a different variant/trim than selected.
DTC P0442-00, P0455-00, P0456-00: (PCM, VIN M) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION P0442-00:
  • Evaporative gas leakage (leakage amount: low)

P0455-00:
  • Evaporative gas leakage (leakage amount: large)

P0456-00:
  • Evaporative gas leakage (leakage amount: extremely low)
DETECTION CONDITION Determination conditions P0442-00:
  • Hole of 0.04 in (1.0 mm) or more in evaporative gas passage
P0455-00:
  • Hole of 0.09 in (2.25 mm) or more in evaporative gas passage
P0456-00:
  • Hole of 0.02 in (0.5 mm) or more in evaporative gas passage
Preconditions P0442-00: and P0455-00:
  • Evaporative gas flow amount: Exceeds 10, 000 cm3 /min or fuel tank vacuum is high
  • Fuel tank pressure: -4, 340.2-4, 030.1 Pa {-442.57-410.95 kgf/m2 , -0.62949-0.58452 psi}*1
  • IAT sensor No.l: 4.44-43.33 °C {40.0-109.9 °F}*1
  • 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. 1: P0117-00: and P0118-00:
    • TP sensor No. 1: P0122-00: and P0123-00:
    • TP sensor No. 2: P0222-00: and P0223-00:
    • Purge solenoid valve: P0443-00:
    • CV solenoid valve: P0446-00:
    • MAF sensor: P0100-00:
    • Fuel tank pressure sensor: P0451-00:, P0452-00:, and P0453-00:
    • IAT sensor No. 1: P0110-00:
    • MAP sensor: P0069-00:, P0107-00:, and P0108-00:
    • BARO sensor: P2226-00:, P2228-00:, and P2229-00:
    • VSS signal: P0500-00:
      • Fuel gauge sender unit: P0460-00:, P0461-00:, P0462-00:, and P0463-00: P0456-00:
  • Fuel level in fuel tank: 15-85 %*1
  • Period ignition is switched off before engine starts: 210 min or more
  • Barometric pressure: 72.23 kPa {0.7365 kgf/cm2 , 10.48 psi} or more*1
  • Time elapsed from engine start: 15-90 min
  • Desired ambient air temperature: 4.44-37.78 °C {40.0-100.0 °F}*1
  • The following DTCs are not detected:
    • Fuel tank pressure sensor: P0451-00:, P0452-00:, and P0453-00:
    • Purge solenoid valve: P0443-00:
    • CV solenoid valve: P0446-00:
    • EVAP monitor: P00FE, P0442-00:, P0455-00:, P0457-00:, and P0496-00:
      • Fuel gauge sender unit: P0460-00:, P0461-00:, P0462-00:, and P0463-00:

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

Malfunction determination period
  • 75 s period
Drive cycle
Self test type
  • CMDTC self test
Sensor used
  • Fuel tank pressure sensor
FAIL-SAFE FUNCTION
  • Not applicable
VEHICLE STATUS WHEN DTCs ARE OUTPUT
  • Illuminates check engine light.
  • Heating is ineffective after engine is started
POSSIBLE CAUSE
  • Missing or loose fuel filler cap
  • Fuel filler cap malfunction
  • Fuel tank pressure sensor malfunction
  • CV solenoid valve malfunction
  • Purge solenoid valve malfunction
  • Evaporative gas passage malfunction
    • Improper connection of evaporative hose
      • Evaporative hose damaged
  • Charcoal canister malfunction
  • Catch tank malfunction
  • Fuel pump unit loose
  • Fuel tank malfunction
  • PCM malfunction