Polaris FST IQ LX Offroad Vehicle User Manual


 
38
FEATURES
Engine Management System
To protect the engine, the engine management system will limit engine
RPM, vehicle speed or turbo boost (FST) if the following conditions are
encountered.
Vehicle Speed is Limited
Engine Speed is Limited
Cause Function Maximum
Speed
MPH (km/h)
Result
Reverse is selected Reverse 12 (19)
Engine will misfire
at higher vehicle
speed
Defective rollover switch Rollover 37 (59)
Throttle stuck, throttle
lever depressed
Throttle stuck, throttle
safety switch high
18 (29)
Maximum vehicle speed Max speed limiter 186 (299)
Cause Function Maximum
RPM
Result
Reverse is selected,
speed sensor error
Reverse 5300
Engine will misfire
at higher engine
speed
Defective rollover
switch, speed sensor
error
Rollover 6000
Throttle stuck, throttle
lever depressed, speed
sensor error
Throttle stuck, throttle
safety switch high
5450
Throttle stuck, throttle
lever at idle position
Throttle stuck, throttle
safety switch low
2400
Maximum vehicle speed,
speed sensor error
Max speed limiter 8800
Reverse failure Reverse 2500 ECU cannot deter-
mine whether
reverse or for-
ward is selected