Yamaha XT660R, Service Manual

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ELEC
IMMOBILIZER SYSTEM
KEY CODE REGISTRATION
The replacement of parts or code registration of a code re-registering key or standard key may be
required in the following conditions.
NOTE:
Each standard key is registered during production, therefore, registering the keys at purchase is not
necessary.
Parts to replace: replacing a lost key or system malfunction
*1
Replace as a set with the main switch.
*2
Accessory locks include the seat lock, fuel tank cap, and helmet holder.
Code re-registering key registration:
When the immobilizer unit or ECU is replaced, the code re-registering key must be re-registered.
To register a code re-registering key:
1. Set the main switch to “ON” with the code re-registering key.
NOTE:
Check that the immobilizer system indicator light comes on for 1 second, then goes off. When the
indicator light goes off, the code re-registering key has been registered.
2. Check that the engine can be started.
3. Register the standard keys. Refer to “Standard key registration:”.
Part to replace
Required key
registration
Main
switch
Standard
key
ECU
Accessory
lock
*2
and
key
Immobilizer
unit
Standard key is lost New standard key
All keys have been lost
(including code re-reg-
istering key)
*1
Code re-registering
key and standard keys
ECU is defective Code re-registering
key
Immobilizer unit is
defective Code re-registering
key and standard keys
Main switch is defective
*1
Code re-registering
key and standard keys
Accessory lock
*2
is
defective
Not required