4.29
ELECTRONIC FUEL INJECTION
4
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
TPS Resistance Tests
The TPS is a non-serviceable item. If it is faulty, it must be
replaced. It can be tested using the following method:
With the test leads connected and th e me ter set to th e
ohm
s sca le, obser ve th e re ading at th e fo llowing pin
locations of the TPS:
TPS Tester / Regulator
The TPS r eading must be ch ecked by using Digital
Wrench™ Diagnostic Software.
TPS Replacement
NOTE: The correct position of the TPS angle on the
throttle body is established and set at the factory. If
the TPS is replaced or has been loosened it must be
repositioned to obtain the proper voltage reading.
1. Remove the drivers seat and disconnect the negative
(-
) battery cable.
2. Remove the carg o box a ccess p anel. Th e T PS
senso
r scr ews can a lso be a ccessed thro ugh the
right-hand rear wheel well area.
3. Disconnect the vehicle harness from the TPS.
4. Remove the (2) Phillips -head mounting s
crews and
replace th e TPS. Reconnect the vehicle harness to
the TPS.
NOTE: If re placing t he TPS o r thr ottle bod y, you
mus
t set the TPS voltage to specification.
TPS Resistance Readings
Pins Throttle Position Resistance
2 - GND -----
1 - 2 Closed 4k - 5k(reference)
1 - 2 Open 1150 - 1250(referenc
e)
1 - 3 ----- 4k6k
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