Yamaha TMAX XP500F 2015, Service Manual, Page: 432 / 478

SMART KEY SYSTEM
8-75
EAS31535
SMART KEY SYSTEM EMERGENCY MODE
If the smart key is lost or if it cannot be used due a discharged battery or malfunction, this mode can be
used to turn on the smart key system.
TIP
• The emergency mode operation will be canceled if the respective steps are not carried out within the
time set for each operation.
• To deactivate the emergency mode, push the OFF/steering lock switch.
1. Stop the vehicle in a safe place.
2. Release the seat lock.
TIP
Insert the mechanical key into the lock inside the storage box (front right side) and turn it clockwise as
shown.
54 Smart key unit Codes transmitted be-
tween the ECU and the
smart key unit do not
match. Radio wave noise inter-
ference or disconnect-
ed lead.
• Obstruction due to ra-
dio wave noise.
• Disconnection in the
wire harness
• Defective ECU (when
the ECU or smart key
unit is replaced with a
unit from a different
vehicle)
• Defective smart key
unit
• Register the smart
key.
• Check the wire har-
ness.
• Replace the ECU.
• Replace the smart
key unit.
56 ECU Unidentified code is re-
ceived. Radio wave noise inter-
ference or disconnect-
ed lead.
• Obstruction due to ra-
dio wave noise
• Disconnection in the
wire harness
• Defective ECU
• Defective smart key
unit
• Check the wire har-
ness.
• Replace the ECU.
• Replace the smart
key unit.
Fault code
No.
Device that de-
tected the mal-
function
Symptom Cause
Check or maintenance
job
1
1. Seat lock key cylinder