Yamaha MBK X-MAX 300 2017 Service Manual page 418

EAS31453
TROUBLESHOOTING
Vehicle power does not turn on. (Meter light and tail/brake light do not come on.)
Engine does not start even though vehicle power is turned on.
Seat does not open. (Vehicle power is turned on.)
Left front storage box does not open. (Vehicle power is turned on.)
Fuel tank cap lid does not open.
Answer back function does not operate.
TIP
Before troubleshooting, remove the following part(s):
1. Front cowling assemblies
2. Lower side covers
3. Footrest board assemblies
4. Leg shield assembly
Checking the vehicle power
1. Check the smart key.
→ The smart key indicator light
comes on when the smart key but-
ton is pushed.
→ Check the button cell battery.
Refer to "CHECKING THE SMART
KEY BATTERY" on page 8-137.
OK ↓
2. Check the fuses.
(Main, main 2, backup, signaling
system, turn signal and hazard, and
answer back)
Refer to "CHECKING THE FUS-
ES" on page 8-128.
OK ↓
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-128.
OK ↓
4. Check the main switch and request
switch.
Refer to "CHECKING THE
SWITCHES" on page 8-127.
OK ↓
5. Check the main switch solenoid.
Refer to "CHECKING THE MAIN
SWITCH SOLENOID" on page
8-137.
OK ↓
NG →
Replace the button cell battery of the
smart key. Standard battery: CR2032
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch.
NG →
Replace the main switch.
8-113
SMART KEY SYSTEM