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HOMESERVICE MANUALSMERCURY2010MARINER PREMIER, 2.5 7, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0340: CAMSHAFT POSITION SENSOR A CIRCUIT (BANK 1 OR SINGLE SENSOR)
2010 Mercury Mariner Premier, 2.5 7, FWD

DTC P0340: Camshaft Position Sensor A Circuit (Bank 1 Or Single Sensor)

2010 Mercury Mariner Premier, 2.5 7, FWDSECTION DTC P0340: Camshaft Position Sensor A Circuit (Bank 1 Or Single Sensor)
DTC P0340: CAMSHAFT POSITION SENSOR A CIRCUIT (BANK 1 OR SINGLE SENSOR)

Description:  The test fails when the powertrain control module (PCM) can no longer detect the signal from the camshaft position (CMP) sensor on bank 1.
Possible Causes: 
  • CMP circuit open
  • CMP circuit short to GND
  • CMP circuit short to voltage
  • SIG RTN open (VR sensor)
  • CMP GND open (Hall-effect sensor)
  • CMP circuit short to CMP2 circuit (if equipped)
  • CMP incorrectly installed (Hall-effect sensor)
  • Damaged CMP sensor shielding
  • Damaged CMP sensor
  • Damaged PCM
Diagnostic Aids:  Harness routing, harness alterations, incorrect shielding, or electrical interference from other systems may have an intermittent impact on the CMP signal.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DR .
RENDER: 1.0x

NO RELATED

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