Operation CHARM
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Subaru
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2002
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Outback VDC Sedan AWD F6-3.0L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Description and Operation
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Fuel Pump Control
Fuel Pump Control
Using the signal from the
crankshaft position sensor
, the ECM controls operation of the
fuel pump
by turning its
relay
ON or OFF. To improve safety, the fuel pump is stopped if the engine stalls with the
ignition switch
ON.