2006-2009 Suzuki LT-R450 Service Manual, Page 170Get this manual
FI SYSTEM DIAGNOSIS
"C15" (P0115-HL) ECT SENSOR CIRCUIT MALFUNCTION
DETECTED CONDITION
C1S Output voltage is not within the following range0.1Sensor voltage4.8 Sensor voltage is higher than specified valueSensor voltage is lower than specified value
POSSIBLE CAUSE
ECT sensor circuit open or short ECT sensor malfunction ECM malfunction ECT sensor circuit open or ground circuit open ECT sensor circuit shorted to ground
ECT sensor