Fi system is provided with fail-safe function to allow the engine to start and the motorcycle to run in a minimum performance necessary even under malfunction condition.


The engine can start and can run even if the signal in the table is not received from each sensor. But, the engine running condition is not complete, providing only emergency help (by fail-safe circuit). In this case, it is necessary to bring the motorcycle to the workshop for complete repair.
When two ignition signals or two injector signals are not received by ecm, the fail-safe circuit can not work and ignition or injection is stopped.
DTC table
Fi system troubleshootingElectrical parts connector / coupler
Faulty fi system is often related to poor electrical
contact of connector/coupler. Before servicing
individual electronic part, check electrical contact of
the connector/coupler.
When connecting a connector, be sure to push it in
until a click is felt.
With a lock type coupler ...
DTC “c15” (p0115-h/l): ect sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C15
Output voltage is not with in the following
range.
0.15 V ≤ Sensor voltage < 4.85 V
Ect sensor circuit open or short.
Ect sensor malfunction.
Ec ...
Water pump removal and installation
Removal
Note
before draining engine oil and engine coolant, inspect engine oil and
coolant leakage between the water pump and crankcase. If engine oil is
leaking, visually inspect the oil seal and o-ring. If engine coolant is
leaking, visually inspect the mechanical seal and s ...