Service Notes - Polaris Sportsman 700 Efi 2005 Service Manual

Service Notes

:
For more convenient
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accurate testing
components, it is recommended
dealers utilize
Diagnostic Software (dealer only),
or testing may be done manually
using the procedures provided.
80% of all EFI problems are
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caused by
connections.
For the purpose of troubleshooting
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difficult running issues, a known--good
ECU from another Polaris ATV EFI
may be used without damaging
system or engine components.
Always depressurize the fuel system
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through the fuel rail test valve before
disconnecting or servicing any EFl
system components.
Never attempt to service any fuel
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system component while engine is
running or ignition switch is "on."
Cleanliness is essential and must be
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maintained at
servicing or working on the EFI
system. Dirt,
quantities, can cause significant
problems.
Do not use compressed air if the
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system is open. Cover any parts
removed and wrap any open joints
with plastic if they will remain open
for any length of time. New parts
should be removed from their
protective packaging just prior to
installation.
Clean any connector before opening
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to prevent dirt from entering the
system.
Although every precaution has been
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taken to prevent water intrusion
failure, avoid direct water or spray
contact with system components.
and
of EFI
the Polaris
wiring harness
all times when
even in small
FUEL SYSTEM / FUEL INJECTION
Do not disconnect or reconnect the
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wiring harness connector to the
control unit or
components with the ignition "on."
This can send a damaging voltage
spike through the ECU
Do not allow the battery cables to
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touch opposing terminals. When
connecting battery cables attach the
positive (+) cable to positive (+)
battery terminal first, followed by
negative (--) cable to negative (--)
battery terminal.
Never start the engine when the
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cables are loose or poorly connected
to the battery terminals.
Never disconnect
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engine is running.
Never use a quick--start battery
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charger to start the engine.
Do not charge battery with key switch
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"on."
Always disconnect negative (--)
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battery cable lead before charging
battery.
Always unplug ECU from the wire
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harness before performing any
welding on the ATV.
any individual
battery while
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