Yamaha XP500, Руководство по обслуживанию

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ELEC
IMMOBILIZER SYSTEM
SELF-DIAGNOSIS MALFUNCTION CODES
When a system malfunction occurs, the malfunction code number is displayed on the LCD display
of the meter assembly and is indicated by the immobilizer system indicator light flash patterns.
Malfunction
code
Part Symptom Cause Action
51
Immobilizer unit Code cannot be transmitted
between the key and immo-
bilizer unit. 1) Radio wave interference
caused by objects around the
keys and antennas.
2) Immobilizer unit malfunction
3) Key malfunction
1) Keep magnets, metal
objects, and other
immobilizer system
keys away from the
keys and antennas.
2) Replace the main
switch/immobilizer unit.
3) Replace the key.
52
Immobilizer unit Codes transmitted between
the key and immobilizer unit
do not match. 1) Signal received from other
transponder (failed to recog-
nize code after ten consecu-
tive attempts).
2) Signal received from unregis-
tered standard key.
1) Place the immobilizer
unit at least 50 mm
away from the transpon-
der of other scooters.
2) Register the standard
key.
53
Immobilizer unit Code cannot be transmitted
between the ECU (engine)
and immobilizer unit. Noise interference or discon-
nected lead/cable.
1) Interference due to radio wave
noise.
2) Disconnected communication
harness.
3) Immobilizer unit malfunction
4) ECU (engine) malfunction
1) Check the wire harness
and connector.
2) Replace the main
switch/immobilizer unit.
3) Replace the ECU
(engine).
54
Immobilizer unit Codes transmitted between
ECU (engine) and immobi-
lizer unit do not match. Noise interference or discon-
nected lead/cable.
1) Interference due to radio wave
noise.
2) Disconnected communication
harness.
3) Immobilizer unit malfunction
4) ECU (engine) malfunction
(The ECU (engine) or immobi-
lizer unit has been replaced
with a used unit from another
scooter.)
1) Register the code re-
registering key.
2) Check the wire harness
and connector.
3) Replace the main
switch/immobilizer unit.
4) Replace the ECU
(engine).
55
Immobilizer unit Key code registration mal-
function Same standard key was
attempted to be registered two
consecutive times. Register a new standard
key.
56
ECU (engine) Unidentified code is
received. Noise interference or discon-
nected lead/cable.
1) Interference due to radio wave
noise.
2) Disconnected communication
harness.
3) Immobilizer unit malfunction
4) ECU (engine) malfunction
1) Check the wire harness
and connector.
2) Replace the main
switch/immobilizer unit.
3) Replace the ECU
(engine).