2023 OWNER’S MANUAL
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116
In MasterCraft boats,
PDMs (Power
Distribution Modules)
provide electrical
power to vehicle
systems and act as
circuit breakers for
those systems.
The PDM Diagnostics
page displays faults
for all PDM outputs, inputs, and CAN communications. To check
all PDMs for faults, tap PDM 1, PDM 2, or PDM 3 on the PDM
Diagnostics page. Faults for each PDM will be displayed on their
respective pages. To reset existing faults, touch RESET FAULTS.
Faults are color coded as follows:
• Red - Short Circuit or Out of Range
• Orange - Open Circuit
• Yellow - Overcurrent
• Green - No Faults / Active / In Range
Engine Diagnostics
This screen shows the number of active and stored faults, as well
as the fault number currently displayed. To advance to the next
fault, touch NEXT. Touch PREVIOUS to go back to the last fault.
Use the following glossary to better understand this screen:
SPN — Suspect Parameter Number — fault code. If not translated
into text by the display, see the engine manufacturer’s literature
for the definition of the SPN number.
FMI — Failure Mode Indicator — fault code. The FMI is defined by
SAE J1939. If not translated into text, see the SAE standard or the
engine manufacturer’s literature.
Description Field — Most common SPNs and FMIs have text
descriptions stored in the computer. If no description is visible,
refer to the engine manufacturer or the SAE J1939 standard.
NOTE: This field is only used with certain engine models.
Corrective Action — Tap GET FAULTS. This queries the engine(s)
ECU for feedback on diagnostic codes activated and stored in the
ECU for service needs.
PDM Diagnostics
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