Yamaha RS90K, Service Manual

Page: 679 / 841

8-29
– +
ELEC
SIGNAL SYSTEM
Check the warning light bulb.
Refer to “LIGHTING SYSTEM”.
Check the main fuse, ignition fuse, and signal fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.
Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.
Check the stator coil.
Refer to “CHARGING SYSTEM”.
Check the main switch.
Refer to “IGNITION SYSTEM”.
Check the oil level switch.
Check the load control relay.
Refer to “IGNITION SYSTEM”.
Check the signal system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
Correct the connection and/or replace the meter
assembly and/or rectifier/regulator and/or ignitor
unit.
OIL LEVEL WARNING INDICATOR AND/OR WARNING LIGHT DO NOT COME ON.
OK
NO CONTINUITY Replace the bulb.
OK
FAULTY
Replace the main fuse, ignition fuse, and/or signal
fuse.
OK
OUT OF SPECIFICATION Replace and/or charge the battery.
Refer to “BATTERY INSPECTION” in CHAPTER
2.
OK
OUT OF SPECIFICATION
Replace the stator coil assembly.
OK
FAULTY Replace the main switch.
OK
FAULTY
Replace the oil level switch.
OK
FAULTY Replace the load control relay.
OK
FAULTY Properly connect or repair the signal system’s wir-
ing.