Yamaha R1 Series 2015 Service Manual page 652

COMMUNICATION CONTROL SYSTEM (for YZF-R1M)
EAS31672
TROUBLESHOOTING
The communication control system failed to function.
TIP
• Before troubleshooting, remove the following part(s):
1. Front side cowling/Front panel/Side cover
2. Rider seat/Passenger seat/Battery cover/Tail cover
1. Check the fuses.
(Main, ignition and backup)
Refer to "CHECKING THE FUSES"
on page 8-180.
OK
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-181.
OK
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
OK
4. Check the entire communication
control system's wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-169.
OK
Replace the ECU, CCU, GPS unit,
IMU or meter assembly.
Refer to "REPLACING THE ECU (En-
gine Control Unit)" on page 8-180.
Replace the fuse(s).
NG
• Clean the battery terminals.
• Recharge or replace the battery.
NG
Replace the main switch/immobilizer unit.
NG
Properly connect or repair the communi-
cation control system's wiring.
NG
8-171