Yamaha TMAX 2020 Service Manual page 434

Item
• Steering lock data
error
• Steering lock unit
malfunction
• ECU communica-
tion error
• Data error
• ECU malfunction
Steering lock abnor-
mal or centerstand
lock abnormal (end
position contact)
Steering lock abnor-
mal or centerstand
lock abnormal (oth-
ers)
Communication error
between remote con-
trol unit and meter
* The running detection error
If the smart key is dropped or can no longer be recognized while the vehicle is traveling. If the vehicle
travels 1 km or more while the smart key cannot be recognized, the smart key system indicator light
" " flashes in 0.15-second intervals.
The vehicle can be ridden, but the vehicle power cannot be turned off.
Although a forced shutdown can be performed to turn off the vehicle power (the OFF/LOCK switch is
pushed briefly while the smart key system indicator light " " is flashing in 0.15 second intervals), the
vehicle power cannot be turned back on.
Flash pattern
0.3 (s)
a
b
0.3 (s) 1.0 (s)
a. LED on
b. LED off
0.3 (s)
a
b
0.3 (s) 1.0 (s)
a. LED on
b. LED off
0.25 (s)
a
b
0.25 (s)
a. LED on
b. LED off
0.3 (s)
a
b
0.3 (s)
1.0 (s)
a. LED on
b. LED off
0.3 (s)
a
b
1.0 (s)
a. LED on
b. LED off
SMART KEY SYSTEM
Flashing time/
number of flashes
20 (seconds)/flashes
3 times in a repeating
cycle
Flashes continuously
until the error is re-
solved/flashes 4
times in a repeating
cycle.
10 seconds
20 (seconds)/flashes
5 times in a repeating
cycle.
20 seconds
8-79
Malfunction and
check point
Check the wire har-
ness.
Check the steering
lock unit.
Check the wire har-
ness.
Check the ECU.
Check the remote
control unit.
Check whether the
steering lock is stuck.
Check the steering
lock unit or center-
stand lock unit.
Error continues 
Replace the steering
lock unit, centerstand
lock unit, and/or re-
mote control unit.
Check the wire har-
ness.