Smart Key System Self-Diagnosis - Yamaha TMAX 2020 Service Manual

EAS31534

SMART KEY SYSTEM SELF-DIAGNOSIS

The smart key system is equipped with a self-diagnostic function. If a malfunction is detected in the sys-
tem, the malfunction will be indicated by the flash pattern of the smart key system indicator light " ".
TIP
The smart key system indicator light " " comes on for 1 second when the ON/start switch is pushed. If
one of the following malfunctions is detected, the indicator light starts flashing.
Item
Low voltage of smart
key button cell battery
Vehicle power off ver-
ification error
Running detection er-
ror*
• Steering lock is
stuck
• Steering lock cannot
be released
Steering lock or cen-
terstand lock commu-
nication error
Flash pattern
0.5 (s)
a
b
0.5 (s)
a. LED on
b. LED off
0.15 (s)
a
b
0.15 (s)
a. LED on
b. LED off
0.15 (s)
a
b
0.15 (s)
a. LED on
b. LED off
0.5 (s)
a
b
1.5 (s)
a. LED on
b. LED off
0.3 (s)
a
b
1.0 (s)
0.3 (s)
a. LED on
b. LED off
SMART KEY SYSTEM
Flashing time/
number of flashes
20 (seconds)
10 (seconds)
Flashes continuously
until the error is re-
solved.
20 (seconds)/
10 times
20 (seconds)/flashes
2 times in a repeating
cycle
8-78
Malfunction and
check point
Replace the button
cell battery of the
smart key.
Refer to "SMART
KEY SYSTEM" on
page 8-67.
The smart key cannot
be recognized.
Check that there are
no sources of strong
electromagnetic
waves in the vicinity,
the smart key is not
lost, and the battery is
not discharged.
The smart key cannot
be recognized.
Check that there are
no sources of strong
electromagnetic
waves in the vicinity,
the smart key is not
lost, and the battery is
not discharged.
Check whether the
steering lock is stuck.
Check the wire har-
ness.