Troubleshooting - Yamaha RS90GTZ Service Manual

TROUBLESHOOTING

Check the main fuse, ignition fuse, and signal fuse.
Refer to "FUSE INSPECTION" in CHAPTER 2.
OK FAULTY
Check the battery.
Refer to "BATTERY INSPECTION" in CHAPTER 2.
OK OUT OF SPECIFICATION
Check the engine stop switch and main switch.
Refer to "IGNITION SYSTEM".
OK FAULTY
Check the brake light switch.
OK FAULTY
Check the load control relay.
Refer to "LIGHTING SYSTEM".
OK FAULTY
Check the signal system wiring.
Refer to "CIRCUIT DIAGRAM".
OK FAULTY
Correct the connection and/or replace the
tail/brake light, and/or ECU.
SIGNAL SYSTEM
BRAKE LIGHT DOES NOT COME ON.
8-42
Replace the main fuse, ignition fuse, and/or
signal fuse.
Replace or charge the battery.
Refer to "BATTERY INSPECTION" in CHAP-
TER 2.
Replace the right handlebar switch and/or
main switch.
Replace the brake light switch.
Replace the load control relay.
Properly connect or repair the signal system
wiring.
ELEC