Yamaha FJR13AY 2009 Service Manual page 662

YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR13AE only)
ET3P66059
TROUBLESHOOTING
• The hand shift select indicator light fails to come on.
• The transmission gear display on the multi-function meter fails to indicate the selected gear.
TIP
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
1. Check the fuses.
(Main, ignition, signaling system,
and YCC-S motor fuse)
Refer to "CHECKING THE FUS-
ES" on page 8-227.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-228.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-221.
OK ↓
4. Check the entire YCC-S system
wiring.
Refer to "CIRCUIT DIAGRAM (1/2)"
on page 8-175 and "CIRCUIT DIA-
GRAM (2/2)" on page 8-177.
OK ↓
Check the condition of each of the
YCC-S system circuits. Refer to
"Checking the YCC-S system".
Checking the YCC-S system
The hand shift select indicator light fails to come on.
1. Check the hand shift select button.
Refer to "CHECKING THE
SWITCHES" on page 8-221.
OK ↓
Replace the MCU (motor control unit).
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch.
NG →
Properly connect or repair the YCC-S sys-
tem wiring.
NG →
Replace the hand shift switch.
8-179