Yamaha FJR13AG Service Manual page 662

Fault code Part
56 ECU
Immobilizer system indicator light fault code indication
Units of 10: Cycles of on for 1 second and off for 1.5 seconds.
Units of 1: Cycles of on for 0.5 second and off for 0.5 second.
Example: Fault code 52
a. Light on
b. Light off
Symptom
Unidentified code is Noise interference or dis-
received. connected lead/cable.
8-185
IMMOBILIZER SYSTEM
Cause
1. Check the wire
harness and con-
nector.
2. Replace the main
switch/immobiliz-
er unit.
3. Replace the ECU.
Refer to "RE-
PLACING THE
ECU (engine con-
trol unit)" on page
8-250.
Action