Yamaha FJR 1300 AE 2014 Service Manual page 577

EAS27720
SELF-DIAGNOSIS FAULT CODE INDICATION
When a system malfunction occurs, the fault code number is indicated in the multi-function meter right
display and the immobilizer system indicator light flashes at the same time. The pattern of flashing also
shows the fault code.
Fault
Part
code
51 IMMOBILIZER
UNIT
52 IMMOBILIZER
UNIT
53 IMMOBILIZER
UNIT
54 IMMOBILIZER
UNIT
Symptom
Code cannot be
transmitted be-
tween the key and
the immobilizer unit.
Codes between the
key and immobilizer
unit do not match.
Codes cannot be
transmitted be-
tween the ECU and
the immobilizer unit.
Codes transmitted
between the ECU
and the immobilizer
unit do not match.
8-126
IMMOBILIZER SYSTEM
Cause
1. Radio wave interfer-
ence caused by ob-
jects around the keys
and antenna.
2. Immobilizer unit mal-
function.
3. Key malfunction.
1. Signal received from
other transponder
(failed to recognize
code after ten con-
secutive attempts).
2. Signal received from
unregistered stan-
dard key.
Noise interference or
disconnected lead/ca-
ble.
1. Interference due to
radio wave noise.
2. Disconnected com-
munication harness.
3. Immobilizer unit mal-
function.
4. ECU malfunction.
Noise interference or
disconnected lead/ca-
ble.
1. Interference due to
radio wave noise.
2. Disconnected com-
munication harness.
3. Immobilizer unit mal-
function.
4. ECU failure.
(The ECU or immobi-
lizer unit was re-
placed with a used
unit from another ve-
hicle.)
Action
1. Keep magnets,
metal objects,
and other immo-
bilizer system
keys away from
the keys and an-
tennas.
2. Replace the
main switch/im-
mobilizer unit.
3. Replace the key.
1. Place the immo-
bilizer unit at
least 50 mm
away from the
transponder of
other vehicles.
2. Register the
standard key.
1. Check the wire
harness and
connector.
2. Replace the
main switch/im-
mobilizer unit.
3. Replace the
ECU.
Refer to "RE-
PLACING THE
ECU (engine
control unit)" on
page 8-196.
1. Register the
code re-register-
ing key.
2. Check the wire
harness and
connector.
3. Replace the
main switch/im-
mobilizer unit.
4. Replace the
ECU.
Refer to "RE-
PLACING THE
ECU (engine
control unit)" on
page 8-196.