Yamaha XJR1300 2007 Service Manual page 354

Fault
Part
code
55 IMMOBILIZER
UNIT
56 ECU
Immobilizer system indicator light fault 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.
Example: fault code 52
a. Remains on
b. Light goes off
Symptom
Key code registra-
tion malfunction.
Undefinition code is
received.
7-77
IMMOBILIZER SYSTEM
Cause
Same standard key was
attempted to be regis-
tered two consecutive
times.
Noise interference or
disconnected lead/
cable.
Action
Register another
standard key.
Check the wire
G
harness and con-
nector.
Replace the main
G
switch/immobi-
lizer unit.
Replace the ECU.
G