Yamaha TMAX TECH MAX 2020 - Replacement Parts List

8-86
SMART KEY SYSTEM
EAS31719
REPLACEMENT PARTS LIST
TIP
When replacing the parts, refer to the following sections.
• Refer to “SMART KEY SYSTEM EMERGENCY MODE” on page 8-80.
• Refer to “REGISTERING A SMART KEY” on page 8-82.
• Refer to “REPLACING THE REMOTE CONTROL UNIT, STEERING LOCK, AND ECU” on page 8-
85.
• Refer to “REPLACING THE REMOTE CONTROL UNIT” on page 8-85.
• Refer to “REPLACING THE STEERING LOCK UNIT” on page 8-85.
• Refer to “REPLACING THE ECU” on page 8-85.
Faulty part
Required item when
replacing parts
Replacement parts (when an item is required
in order to replace parts)
Remarks
○ :Required. ○ : Replace.
△ :
Smart key identifi-
cation number or
smart key is
required.
 : Do not replace.
 : Not required. * :
This part must be replaced even if it is
not faulty.
Smart key
identifica-
tion num-
ber
Smart key
Smart
key
Remote
control
unit
Steering
lock unit
ECU
Smart key ○  ○ 
Register the smart key identifica-
tion number in the emergency
mode.
Remote control unit  ○  ○ 
When the vehicle system is
turned on, the smart key identifi-
cation number is automatically
registered to the remote control
unit.
Steering lock unit △△○ 
When the vehicle system is
turned on, the smart key identifi-
cation number is automatically
registered to the steering lock
unit.
ECU △△○
When the vehicle system is
turned on, the smart key identifi-
cation number is automatically
registered to the ECU.
Steering lock unit/
ECU
△△○○
When the vehicle system is
turned on, the smart key identifi-
cation number is automatically
registered to the steering lock
unit and ECU.
Remote control unit/
ECU
 ○  ○  ○
When the vehicle system is
turned on, the smart key identifi-
cation number is automatically
registered to the remote control
unit and ECU.
Remote control unit/
Steering lock unit
○* ○○○*
The original smart keys can be
used if they are registered as ad-
ditional smart keys. Replace the
smart key, remote control unit,
steering lock unit, and ECU as a
set.
Smart key/Remote
control un
it
○○○* ○*
Replace the smart key, remote
control unit, steering lock unit,
and ECU as a set.