4
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
4.27
TEMP / MANIFOLD ABSOLUTE PRESSURE SENSOR (T-MAP)
OPERATION OVERVIEW
Mounted on the intake plenum, the T-MAP sensor
performs two functions in one unit.
Air passing through the intake is measured by the T-MAP
and relayed to the ECU. These signals, comprised of
separate air temperature and manifold absolute pressure
readings, are processed by the ECU and compared to its
programming for determining the fuel and ignition
requirements during operation. The T-MAP sensor
provides the ECU with engine load data.
T-MAP SENSOR TEST
The T-MAP sensor is a non-serviceable item. If it is
faulty, it must be replaced.
IMPORTANT
This sensor should only be tested using the Digital
Wrench® Diagnostic Software (dealer only).
T-MAP SENSOR REPLACEMENT
1. Lift the rear cargo box to the raised position.
2. Disconnect the vehicle harness (A) from the T-MAP
sensor.
3. Remove the T-MAP sensor retaining bolt and
remove the sensor from the intake plenum.
4. Apply lubricant to the new sensor o-ring and install
the new T-MAP sensor into intake plenum.
5. Install the T-MAP sensor retaining bolt and torque to
specification.
TORQUE
T-MAP Retaining Bolt:
7 lb-ft (10 Nm)
FUEL SYSTEM
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