9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
4.1
CHAPTER 4
ENGINE ELECTRICAL
ENGINE TEMPERATURE PROTECTION MODES
ENGINE OVERHEATING TROUBLESHOOTING
DETONATION (DET) PROTECTION MODES
DETONATION (DET) TROUBLESHOOTING
EXTENDED IDLE ENGINE SHUTDOWN MODE
CLEANFIRE FUEL INJECTION OVERVIEW
EXHAUST GAS TEMPERATURE (EGT) SENSOR
AIR TEMPERATURE / PRESSURE SENSOR (T-MAP)
CRANKSHAFT POSITION SENSORS (CPS)
CRANKSHAFT POSITION SENSOR AIR GAPS
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.10
ECU (CNA) 34 PIN CONNECTOR PINOUT
ECU (CNB) 34 PIN CONNECTOR PINOUT
THROTTLE POSITION SENSOR (TPS) OVERVIEW
THROTTLE POSITION SENSOR (TPS) TESTING
THROTTLE POSITION SENSOR (TPS) WIRE ROUTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.18