Honda CB 600F Hornet 2007 Shop Manual page 563

IMMOBILIZER SYSTEM (HISS)
When the system (ECM) enters the diagnostic mode from the registration mode:
BLINKING PATTERN
21-8
SYMPTOM PROBLEM
Re91stration is The key is
overlapped. a I ready reg is­
tered properly.
Code signals Communication
fails.
cannot send or
receive.
The key is
Registration is
impossible. already regis­
tered on the
other system.
PROCEDURE
Use a new key or
cancelled key.
Follow the trouble­
shooting (page 21-
9) .
Use a new key.