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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM (AJ]DTC P0442 [AJ]NOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard

DTC P0442 [AJ]: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
DTC P0442 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0442 EVAP control system leak detected (small leak)
DETECTION CONDITION 
  • The PCM measures the pump load current (EVAP line pressure) when a certain period has passed after the EVAP system is sealed when the following monitoring conditions are met. If the load does not reach the reference current value within a certain period, PCM determines that the EVAP system has a small leak.

    MONITORING CONDITION 

    • Ignition switch OFF
    • IAT: 5-35 °C {40-95 °F} 
    • Battery voltage: 11 V or above 
    • Atmospheric pressure: 72.2 kPa {542 mmHg, 21.3 inHg} or above 
    • Fuel tank level: 15-85% 

Diagnostic support note 
  • This is an intermittent monitor (EVAP).
  • MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • DIAGNOSTIC MONITORING TEST RESULTS is available.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Purge solenoid valve malfunction
  • EVAP system leak detection pump malfunction
  • Charcoal canister malfunction
  • Fuel filler cap malfunction
  • Fuel tank malfunction
  • Fuel pump unit poor seal
  • EVAP hose damaged or loose
  • EVAP pipe damaged
RENDER: 1.0x

NO RELATED

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