Yamaha FZ1-N Service Manual

Contents

FUEL INJECTION SYSTEM8-40Communication error with the meter39Injector(open circuit)Injector:open circuit detected.Able(depend-ing onthe num-ber offaultycylin-ders)Able(depend-ing onthe num-ber offaultycylin-ders)41 Lean angle sensor(open or short-circuit)Lean angle sensor:open or short circuit detected. Unable Unable42Speed sensor No normal signals are received from thespeed sensor. Able AbleNeutral switch Neutral switch:open or short circuit detected.43 Fuel system voltage(monitoring voltage)Power supply to the injectors and the fuelpump is not normal. Able Able44Error in writing theamount of CO adjust-ment on EEPROMAn error is detected while reading or writ-ing on EEPROM (CO adjustment value). Able Able46Vehicle system powersupply(monitoring voltage)Power supply to the fuel injection systemis not normal. Able Able47Sub-throttle servomotor potention (openor short circuit)sub-throttle servo motor potention:open orshort circuit detected. Able Able48 Sub-throttle servomotor (lock)A lock of the sub-throttle servo motor isdetected. Able Able50ECU internal malfunc-tion(memory check error)ECU memory is faulty. (When this mal-function is detected in the ECU, the faultcode number might not appear on themeter.)Unable Unable–Start unable warning Relay is not turned ON even if the cranksignal is input while the start switch isturned ON.When the start switch is turned ON whilean error is detected with the fault code ofNo.11, 12, 19, 30, 41 or 50.Unable UnableFaultcode No. Item SymptomAble/unableto startAble/unableto driveEr-1ECU internal malfunc-tion(output signal error)No signals are received from the ECU.Unable UnableFaultcode No. Item SymptomAble/unableto startAble/unableto drive