Yamaha FZ1-N Service Manual page 410

Error Detection
code
IMMOBILIZER
UNIT
52
IMMOBILIZER
UNIT
53
IMMOBILIZER
UNIT
54
IMMOBILIZER
55 UNIT
ECU
56
Immobilizer system indicator light error code indication
Digit of 10 : Cycles of 1 sec. ON and 1.5 sec. OFF.
Digit of 1 : Cycles of 0.5 sec. ON and 0.5 sec. OFF.
Symptoms
Codes do not match
between the key and
immobilizer unit.
Cannot transmit
code between the
ECU and immobi-
lizer unit.
Codes do not match
between ECU and
immobilizer unit.
Key code registra-
tion error.
Undefinition code is
received.
8-86
IMMOBILIZER SYSTEM
Trouble
1 Disturbed by other
transponder.
Failed to verify continu-
ally for ten times.
2 Unregistered sub key
was used.
Noise interference or dis-
connected lead/cable.
1 Obstruction due to
radio wave noise.
2 Error by disconnection
of the communication
harness.
3 Immobilizer unit failure.
4 ECU failure.
Noise interference or dis-
connected lead/cable.
1 Obstruction due to
radio wave noise.
2 Error by disconnection
of the communication
harness.
3 Immobilizer unit failure.
4 ECU failure.
(When the used parts
form other vehicles are
used, the code re-reg-
istering key ID is not
registered to the ECU.)
Same standard key was
attempted to continu-
ously two times register.
Noise interference or dis-
connected lead/cable.
1 Obstruction due to
radio wave noise.
2 Error by disconnection
of the communication
harness.
3 Immobilizer unit failure
4 ECU failure
Measures
1 Place the immobi-
lizer unit away
more than 50 mm
from the transpon-
der of other vehi-
cle.
2 Register the stan-
dard key.
1 Check the wire
harness and con-
nector.
2 Replace the
immobilizer unit.
3 Replace the ECU.
1 Register the code
re-registering key
ID.
2 Check the wire
harness and con-
nector.
3 Replace the
immobilizer unit.
4 Replace the ECU.
Prepare the new
standard key and
register it.
1 Check the wire
harness and con-
nector.
2 Replace the
immobilizer unit.
3 Replace the ECU.