Data Item Possible Values/Types Explanation
Loadpercent 0–100%
Shows how much of the total possible engine
power is being produced as a percentage. On a
normally aspirated engine, the engine load and
manifold pressure data follow each other in a
parallel fashion.
Battvolt Battery voltage Battery voltage at the time the fault occurred.
Baropressure PSI
Barometric pressure reading during the key cycle
that the fault occurred in.
Intake Air Temp Degrees Fahrenheit
Temperature of the air entering the intake plenum
at the time the fault occurred.
Sparkadvance Degrees of spark timing
The total spark advance in degrees added to the
base spark advance table at the time the fault was
set in Freeze Frame.
Powerlimit 0–100%
Available engine output power as a percentage at
the time the fault was set in freeze frame.
Demand 0–100%
Information that the PCM has received from the
command control module (CCM) (on DTS
engines), or the throttle demand sensor (on
mechanical engines). Measurement of the amount
of power requested by the operator or control
software.
TPSpercent 0–100%
Throttle position sensor measured in percentage
of the amount the throttle blade was open at the
time the fault was set in freeze frame.
Oilpressure PSI, engine dependent
Oil pressure measured in PSI at the time the fault
was set in freeze frame.
SeaPumpPressure PSI, engine dependent
Sea pump pressure measured in PSI at the time
the fault was set in freeze frame.
Oiltemp Degrees Fahrenheit, engine dependent
The engine oil temperature measured in
Fahrenheit at the time the fault was set in freeze
frame.
Coolanttemp Degrees Fahrenheit, engine dependent
The coolant temperature measured in Fahrenheit
at the time the fault was set in freeze frame.
Gearposition
Reverse
The reported gear position at the time of the fault.Forward
Neutral
Trimposition 0–1024 ADC
Measured in AD counts, this is the position of the
outboard between 0 (0%) and 1024 (100%) at the
time of the fault.
MapAngle kPa, engine dependent
The manifold absolute pressure measured in kPa.
The angle refers to the angle of the crankshaft
where the vacuum is optimally measured. This is
the parameter at the time the fault was set in
freeze frame.
O2CtrlState
Open‑loop
The state of fuel system monitoring.
Closed‑loop
Oillevelpercent 0–1024 ADC
Measured in AD counts, this is the engine oil level
between 0 (0%) and 1024 (100%) at the time of
the fault. (Not all engines are equipped with an oil
level sensor.)
CDS G3—PCM 112 Freeze Frame Data
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 3D-3
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