2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 97Get this manual
Fuel Injection System Service CodesFailure Modes Code 12Throttle Position Sensor Malfunction
Setting Conditions: is less than 21RPM greater than 800 and TPS ADC counts is greater than 1010 or TPS ADC counts
What To Look For: Corrupted or damaged TPS circuitDamaged throttle shaft or misadjusted throttle cableFailed TPS sensorAn unplugged TPS will trigger this code
Code 14Throttle Position Sensor Above Expected Range Setting Conditions: RPM greater than 800 and TPS ADC counts above 900What To Look For: Corrupted or damaged TPS circuitDamaged throttle shaft or misadjusted throttle cableFailed TPS sensor
Code 15Program Checksum Error
Setting Conditions: What To Look For: Invalid checksum calculation in EMM program during powerupCorrupted EMMEMM requires reprograming or replacement
Code 17Alternator Voltage Below Expected Range Setting Conditions: RPM is greater than 800, but less than 1500 AND alternator voltage is less than 22 vDC OR RPM is greater than 1500 AND alternator voltage is less than 32 vDCWhat To Look For: Damaged flywheel, damaged stator andor associated wiring circuitsLoose pins or connectorsLoose or damaged capacitorMalfunctioning regulator, SRB board (Located inside of EMM