Yamaha 2007 XP500 Service Manual page 375

Standard key is lost
All keys have been lost
(including code re-reg-
istering key)
ECU is defective
Immobilizer unit is
defective
Main switch is defective
Accessory lock* is
defective
* Accessory locks mean the seat lock and fuel tank cap.
Code re-registering key registration:
When the immobilizer unit or ECU is replaced, the code re-registering key must be registered to the
unit.
To register a code re-registering key:
1. Turn the main switch to "ON" with the code re-registering key.
NOTE:
Check that the immobilizer system indicator light comes on for one second, then goes off. When the
immobilizer system indicator light goes off, the code re-registering key has been registered.
2. Check that the engine can be started.
3. Register the standard key, following the instructions in the section below.
Standby mode:
To enable the immobilizer system, turn the ignition key to "OFF". 30 seconds later, the indicator light
will start flashing continuously in the standby flashing mode pattern for up to 24 hours. After that time,
the indicator light will stop flashing, but the immobilizer system is still enabled.
Standby mode
a. Main switch "ON"
b. Main switch "OFF"
c. LED on
Standard key registration:
Standard key registration is required when a standard key is lost and needs to be replaced, or when
Parts to be replaced
Main switch/
immobilizer unit
Main Immobilize
switch r unit
√
√
√
IMMOBILIZER SYSTEM
Accessory
Standard
ECU lock* and
key
√
√ √
√
√ √
d. LED off
e. Standby mode on
f. Standby mode off
8-60
Key registration
requirement
key
New standard key
Code re-registering
√
key and standard keys
Code re-registering
key and standard keys
Code re-registering
key and standard keys
Code re-registering
√
key and standard keys
√
Not required