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HOMESERVICE MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P1474: - FAN CONTROL PRIMARY CIRCUIT
2009 Ford Fusion SEL, 3.0 1, FWD

DTC P1474: - Fan Control Primary Circuit

2009 Ford Fusion SEL, 3.0 1, FWDSECTION DTC P1474: - Fan Control Primary Circuit
DTC P1474: - FAN CONTROL PRIMARY CIRCUIT

Description:  Monitors the Low Fan Control (LFC) primary circuit output from the powertrain control module (PCM). The test fails if the PCM grounds the LFC circuit, excessive current draw is detected on the LFC circuit, or with the LFC circuit not grounded by the PCM, voltage is not detected on the LFC circuit (the PCM expects to detect VPWR voltage coming through the low speed FC relay coil to the LFC circuit).
Possible Causes: 
  • Open or short LFC circuit
  • Open VPWR circuit to the low speed FC relay
  • Damaged low speed FC relay
Diagnostic Aids:  When the LFCF PID reads YES, a concern is currently present.
An open circuit or short to ground can only be detected when the PCM is not grounding the LFC circuit.
A short to voltage can only be detected when the PCM is grounding the LFC circuit.
During the key on engine off (KOEO) and key on engine running (KOER) self-test, the LFC circuit is cycled on and off.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KF .
RENDER: 1.0x

NO RELATED

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