Self-Diagnosis Malfunction Codes - Yamaha YP250R 2005 Service Manual

SELF-DIAGNOSIS MALFUNCTION CODES

When a system malfunction occurs, the malfunction code number is signaled by the immobilizer
system indicator light flash patterns.
Malfunc-
Symptom
tion code
Engine cannot start.
2
Flash pattern:
Main
switch
LED
Engine cannot start.
Flash pattern:
3
Main
switch
LED
IMMOBILIZER SYSTEM
Immobilizer system Malfunctioning
condition
CDI unit is not recev- Key
ing any valid tran-
sponder code.
CDI unit
Others
Main switch and
immobilizer
antenna
ON
OFF
1.0 s
On
Off
Codes transmitted Others
between the key and
CDI unit do not
match.
ON
OFF
1.0 s
On
Off
8 - 61
Cause
part
Key malfunction
CDI unit malfunction
Radio wave interference
caused by objects around
the keys and antenna.
Noise interference
Disconnected leads
0.5 s 0.5 s
2.0 s
Signal received from
other transponder (failed
to recognize code after
consecutive attempts).
Signal received from
unregistered standard
key.
0.5 s 0.5 s
2.0 s
–
ELEC
Action
Replace the standard
key.
Replace the CDI unit.
Keep magnets, metal
objects, and other immo-
bilizer system keys away
from the keys and
antenna.
Check for the possible
cause of the interference.
Check the leads.
2.0 s
Place other keys at least
50 mm away from the
main switch.
Place other keys at least
50 mm away from the
main switch.
0.5 s
2.0 s
+