
Dodge Durango
Service Manual
Fuel System » Fuel injection system » Description and operation
Five volt sensor supplies-primary and secondary
DESCRIPTION
Two different Powertrain Control Module (PCM)
five volt supply circuits are used; primary and secondary.
OPERATION
These 2 circuits will:
- supply the required 5 volt power source to the
Crankshaft Position (CKP) sensor.
- supply the required 5 volt power source to the
Camshaft Position (CMP) sensor.
- supply a reference voltage for the Manifold Absolute
Pressure (MAP) sensor.
- supply a reference voltage for the Throttle Position
Sensor (TPS) sensor.
- supply the required 5 volt power source to the
oil pressure sensor.
- supply the required 5 volt power source for the
Vehicle Speed Sensor (VSS) (if equipped).
- supply the 5 volt power source to the transmission
pressure sensor (if equipped with an RE automatic
transmission).
Fuel level sensor-pcm input
DESCRIPTION
The fuel level sensor (fuel gauge sending unit) is
located on the fuel pump module.
OPERATION
Refer to Fuel Gauge Sending Unit in the Fuel
Delivery section for information.
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Five volt sensor supplies-primary and secondary