2006-2009 Suzuki LT-R450 Service Manual, Page 170Get this manual

2006-2009 Suzuki LT-R450 Service Manual, Page 170

FI SYSTEM DIAGNOSIS "C15" (P0115-HL) ECT SENSOR CIRCUIT MALFUNCTION DETECTED CONDITION C1S Output voltage is not within the
switch OFF2) Check the ECT sensor coupler for loose or poor contactsIf OK, then measure the ECT sensor voltage at the wire
side coupler3) Disconnect the coupler and turn the ignition switch ON4) Measure the voltage between BIBI wire terminal and
groundS) If OK, then measure the voltage between BIBI wire terminal and BIBr wire terminal ECT sensor voltage: 4.55.5 V BIBI()