Yamaha FZ09E Service Manual

2. Check the entire signaling system'swiring.Refer to "CIRCUIT DIAGRAM" onpage 8-21.Replace the ECU or meter assembly.Refer to "REPLACING THE ECU (en-gine control unit )" on page 8-93 .The speedometer fails to operat e.1. Check the speed sensor.Refer to "CHECKING THE SPEEDSENSOR" on page 8-105.2. Check the entire signaling system'swiring.Refer to "CIRCU IT DIAGRAM" onpage 8-21.Replace the ECU or meter assembly.Refer to "REPLACING THE ECU (en-gine control unit)" on page 8-93 .NG -tNG -tNG -tThe coolant temperature warning light fails to come on.1. Check the coolant temperatu re sen-sor.Refer to "CHECKING THE COOL-ANT TEMPERATURE SENSOR"on page 8-106.2. Check the entire signaling system'swiring.Refer to "CIRCUIT DIAG RAM" onpage 8-21.Replace the ECU or meter assembly.Refer to "REPLACING THE ECU (en-gine control unit )" on page 8-93.NG -tNG -t8-26SIGNALING SYSTEMProperly connect or repair the signalingsystem 's wi ri ng.Replace the speed sensor.Properly connect or repair the signalingsystem 's wi ri ng.Replace the coolant temperature sensor.Properly connect or repair the signalingsystem's wi ri ng.