DSG-423 ENGINE CONTROLS
08-31
Flight Data Recorder
The Flight Data Recorder is also a listing of specific
engine system variables. These variables are recorded
by the GCP for an interval of 10 seconds. The 10
second interval includes 8 seconds before the DTC sets
and 2 seconds after the DTC sets. By clicking on the
“View Flight Data Recorder Data” button, a new window
will pop up and you will be able to view these variables.
Here is an example of a flight Data Recorder Data
window.
The FAULTS screen shows the following:
• Fault Access
• System States
• DBW Variables
• Closed Loop Control
• Digital Input Voltages
• Diagnostic Modes
• Historic Faults
• Active Faults
Use the keys at the upper left corner
or the “page” command to toggle the three main
screens (GAUGES, FAULTS AND RAW VOLTS).
NOTE: F9 key will toggle to the last screen you were on.
Data Stream - Reading Sensor & Actuator Values
Most applicable sensor and actuator values are
displayed on the Gauges Screen. The display shows
the voltage the FORD system GCP is reading and, for
sensors, the sensor value in engineering units.
This is one of three main screens (GAUGES, FAULTS
AND RAW VOLTS).
The GAUGES screen shows the following:
• Manifold Absolute Pressure (MAP)
• Engine Coolant Temperature (ECT)
• Intake Air Temperature (IAT)
• Throttle Position (TP)
• Foot Pedal Position (FPP)
• Battery Voltage
• Engine speed (RPM)
• Exhaust Gas Oxygen (HO2S)
• Hour meter
• Number of continuous starts
• Run mode, power mode and fuel type
Use the keys at the upper left corner
or the “page” command to toggle the three main
screens (GAUGES, FAULTS AND RAW VOLTS).
NOTE: F9 key will toggle to the last screen you were on.
NOTE: If a DTC for a sensor is current, the engineering
value for that sensor may be a default, limp home value
and the voltage value will be the actual sensor voltage.
Use the voltage value when performing diagnostics
unless directed to do otherwise by the diagnostic
trouble tree.
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