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4.4
9850068 R01 - 2020-2021
RZR
PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
PRESSURE SENSORS
BAP SENSOR
The Barometric Air Pressure sensor
q
, located on the
intake duct after the air filter, measures ambient air
pressure. The sensor reading is used to detect changes
in elevation and for turbo speed limiting for altitude.
BOOST PRESSURE SENSOR
The Boost Pressure Sensor
w
is the pressure sensor
that is used for boost target control and for turbo speed
limiting. The temperature sensor will provide a fallback in
case the intake manifold temperature sensor (TMAP)
fails.
The TMAP sensor and the Boost Pressure Sensor may
be interchanged for testing purposes as the sensors are
the same.
FUEL PRESSURE SENSOR (EVAP
MODELS)
On EVAP models, the fuel pressure sensor
r
monitors
fuel pressure in the fuel supply line and sends pressure
data to the ECU. The ECU interprets the fuel pressure
data and raises or lowers fuel pressure based manifold
pressure.
The ECU also uses the fuel pressure sensor to prevent a
rich condition during a purge event.
TMAP SENSOR
The Temperature and Manifold Absolute Pressure
sensor (T-MAP)
e
is located on the intake manifold after
the throttle body. The sensor is the primary control
sensor for the EFI system and it measures the pressure
of the air going into each cylinder.
The TMAP sensor and the Boost Pressure Sensor may
be interchanged for testing purposes as the sensors are
the same.
Содержание RZR PRO XP 2020
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Страница 10: ...1 4 9850068 R01 2020 2021 RZR PRO XP XP 4 Service Manual Copyright Polaris Industries Inc GENERAL INFORMATION...
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Страница 404: ...8 46 9850068 R01 2020 2021 RZR PRO XP XP 4 Service Manual Copyright Polaris Industries Inc NOTES FINAL DRIVE...
Страница 478: ...9 74 9850068 R01 2020 2021 RZR PRO XP XP 4 Service Manual Copyright Polaris Industries Inc NOTES STEERING SUSPENSION...
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