Page 220 - Manual Oficina XP 1000 14-16

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FUEL SYSTEM

ECU REPLACEMENT • BATTERY VOLTAGE: The majority of problems with
Although the need for ECU replacement is unlikely, a reprogramming can be attributed to a low battery. Be
specific replacement procedure is required to ensure that sure the battery voltage (no load) is at least 13 volts
all essential data contained within the original ECU is and at least 12.5 volts with the key ‘ON’. Connect a
transferred to the replacement ECU. battery charger if necessary to bring voltage level
above minimum. Fully charge the battery before you
Refer to procedure and carefully follow all instructions attempt to reprogram.
provided in Digital Wrench®. • DEDICATED LAPTOP: Best results are obtained using
a laptop computer that is “dedicated to Digital
ETC LEARN PROCEDURE Wrench®”. A laptop that is used by a variety of people
and in several applications around the dealership is
IMPORTANT more likely to cause a reprogramming problem than
one dedicated to Digital Wrench® diagnostics only.
This procedure MUST be performed on the vehicle • OBTAINING THE LATEST UPDATE: Reprogramming
whenever the ECU is replaced or reflashed or the updates are provided periodically and contain the most
throttle body is replaced.
recent calibrations (see Chapter 4 – Digital Wrench®
Updates, page 4.48.
1. After the reflash / ECU replacement / throttle body • CLOSE NON-ESSENTIAL PROGRAMS: Polaris
change, leave the key on (engine not running) for 60 recommends that you DO NOT install non-essential
seconds. Do NOTcrank the engine during this time. programs on a Service Department laptop. Camera
detection software, Virus Scanners, Tool Bars, etc.
2. Turn the key off and wait 3 minutes. During this time, may clog up memory if running in the background and
the ECU will write values into memory and then make it harder for the diagnostic software to operate.
completely shut down. • KNOW THE PROCESS: If you are not familiar with the
3. Turn key back on and start the vehicle. The vehicle entire reprogramming process, review the HELP
should operate normally. section of the diagnostic software before you attempt
reprogramming. Click on the ? on the tool bar or press
4. If the procedure was interrupted at any time, start
back at step 1. F11. The information in the on-line help is the most
current and complete information available. This
should be your first step until you are familiar with the
ECU REPROGRAMMING (REFLASH) process.

Process Overview • COMMUNICATION PROBLEMS: If you have had
problems communicating with a vehicle while
The reprogramming feature is in the Special Tests menu performing diagnostic functions, do not attempt
on the Digital Wrench® screen. Start Digital Wrench® reprogramming until the cause has been identified and
and click on the Special Tests menu icon (red tool box). A fixed. Check all connections, and be sure battery
technician should be familiar with the process and with voltage is as specified.
computer operation in general before attempting to
reprogram an ECU.
• Proceed to http://polaris.diagsys.com for specific
The Digital Wrench® Engine Controller Reprogramming information and FAQs on how to troubleshoot
(or “Reflash”) feature allows reprogramming of the ECU communication problems.
fuel and ignition map. To successfully reprogram the
ECU, an Authorization Key must be obtained by entering
a Request Code in the box provided on the Reflash
Authorization site. The Request Code is automatically
generated by Digital Wrench® during the reprogramming
process. The Reflash Authorization site is located under
the “Service and Warranty” drop down menu on the
dealer website at: www.polarisdealers.com.
NOTE

Failure to follow the reprogramming instructions
completely and correctly can result in an engine that
does not run! Replacement ECUs are programmed as
“no-start” and require a reflash for them to work. • DON’T DISTURB THE PC: While reprogramming is in
progress, don’t move the mouse and don’t touch the
Reprogramming (Reflash) Tips: keyboard. The process only takes a few minutes, and
is best left alone until complete.

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