4.34
500 EFI FUEL SYSTEM
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
EFI SYSTEM
Component Locations/Identification
1. Electronic Control Unit (ECU)
- Located under the front access cover.
2. Fuse Panel
- Located under the front access cover.
3. Manifold Absolute Pressure Sensor (MAP)
- Located in front of the throttle body, on top of the
intake track.
4. Intake Air Temperature Sensor (IAT)
- Located under the seat, in the rear of the airbox.
5. Throttle Body
- Located in between the engine and the airbox.
6. Idle Air Control (IAC)
- Located on the throttle body
7. Throttle Position Sensor (TPS)
- Located on the throttle body.
8. Crankshaft Position Sensor (CPS)
- Located inside the mag / recoil cover on the RH side
of the engine
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