Page 317 - Manual Oficina Polaris Sportsman 570 2014 a 2016
P. 317
FUEL SYSTEM
CHAPTER 4
FUEL SYSTEM
GENERAL INFORMATION............................................................................... 4.4
EFI OPERATION OVERVIEW.......................................................................... 4.4
PRINCIPAL COMPONENTS ........................................................................... 4.4
INITIAL PRIMING / STARTING PROCEDURE.......................................................... 4.4
SPECIAL TOOLS ...................................................................................... 4.5
TORQUE SPECIFICATIONS, FUEL SYSTEM .......................................................... 4.6
FUEL PRESSURE GAUGE KIT - PU-43506-A.......................................................... 4.7 4
FUEL PRESSURE GAUGE ADAPTER - PA-48838 ..................................................... 4.7
DIGITAL WRENCH® - DIAGNOSTIC CONNECTOR.................................................... 4.7
DIGITAL WRENCH® DIAGNOSTIC SOFTWAREPU-47063-B .......................................... 4.8
DIGITAL WRENCH® SMARTLINK MODULE KITPU-47471 ............................................. 4.8
DIGITAL WRENCH® - DOWNLOAD WEBSITE......................................................... 4.8
EFI COMPONENT LOCATIONS......................................................................... 4.9
EFI LEFT SIDE (MECHANICAL THROTTLE) ........................................................... 4.9
EFI RIGHT SIDE (MECHANICAL THROTTLE) ........................................................4.11
LINE / HOSE ROUTING.................................................................................4.13
FUEL SUPPLY LINE ROUTING .......................................................................4.13
AIR BOX / INTAKE SYSTEM............................................................................4.14
AIR FILTER/PRE-FILTER SERVICE...................................................................4.14
AIR BOX SEDIMENT DRAIN..........................................................................4.15
MECHANICAL THROTTLE BODY......................................................................4.16
MECHANICAL THROTTLE BODY OVERVIEW........................................................4.16
THROTTLE BODY REPLACEMENT ..................................................................4.16
ELECTRONIC THROTTLE CONTROL.................................................................4.17
ETC SERVICE PRECAUTION ........................................................................4.17
ETC OVERVIEW .....................................................................................4.17
ETC TEST............................................................................................4.17
ETC REPLACEMENT.................................................................................4.17
ETC LEARN PROCEDURE ...........................................................................4.17
THOTTLE CONTROL SENSOR (TCS).................................................................4.19
THROTTLE CONTROL SENSOR OVERVIEW ........................................................4.19
THROTTLE CONTROL SENSOR TEST...............................................................4.19
THROTTLE CONTROL SENSOR REPLACEMENT....................................................4.20
ELECTRONIC CONTROL UNIT (ECU) ................................................................4.21
ECU OVERVIEW .....................................................................................4.21
RPM LIMIT ...........................................................................................4.21
ECU PINOUTS .......................................................................................4.21
ECU SERVICE .......................................................................................4.21
ECU REPLACEMENT ................................................................................4.22
ETC LEARN PROCEDURE ...........................................................................4.22
FUEL TANK / PUMP / SENDER.........................................................................4.23
9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 4.1
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