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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1380 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS (HYBRID))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P0102: MASS OR VOLUME AIR FLOW A CIRCUIT LOW INPUT
2010 Mercury Mariner Hybrid, AWD

DTC P0102: Mass Or Volume Air Flow A Circuit Low Input

2010 Mercury Mariner Hybrid, AWDSECTION DTC P0102: Mass Or Volume Air Flow A Circuit Low Input
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P0102 - MASS OR VOLUME AIR FLOW A CIRCUIT LOW INPUT

Description:  The mass air flow (MAF) sensor circuit is monitored by the powertrain control module (PCM) for low air flow (or voltage) input through the comprehensive component monitor (CCM). If during ignition on engine running the air flow (or voltage) changes below a minimum calibrated limit, the test fails.
Possible Causes: 
  • MAF sensor disconnected
  • MAF circuit open to PCM
  • VPWR open to MAF sensor
  • PWR GND open to the MAF sensor
  • MAF RTN circuit open to PCM
  • MAF circuit shorted to GND
  • Intake air leak (near the MAF sensor)
  • A closed throttle indication (throttle position sensor system)
  • Damaged MAF sensor
  • Damaged PCM
Diagnostic Aids:  A MAF V PID (MAF PID) reading less than 0.23 volt during KOER indicates a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DC .
RENDER: 1.0x

NO RELATED

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