Yamaha 2007 XP500 Service Manual page 356

Fault
code Symptom
No.
Malfunction detected in the
33 primary wire of the ignition
coil.
37 Faulty the FID valve.
Lean angle sensor-open or
41
short circuit detected.
The ECU is unable to monitor
the battery voltage
43
(an open circuit in the line to
the ECU (engine)).
Error is detected while read-
44 ing or writing on EEPROM
(CO adjustment value).
Power supply to the fuel injec-
46
tion system is not normal.
Faulty ECU (engine) memory.
(When this malfunction is
50 detected in the ECU (engine),
the fault code number might
not appear on the meter.)
No signals are received from
Er-1
the ECU.
No signals are received from
Er-2 the ECU (engine) within the
specified duration.
Data from the ECU (engine)
Er-3
cannot be received correctly.
Non-registered data has been
Er-4
received from the meter.
FUEL INJECTION SYSTEM
Probable cause of malfunction
Open or short circuit in wire harness.
G
Malfunction in ignition coil.
G
Malfunction in ECU (engine).
G
Malfunction in a component of ignition
G
cut-off circuit system.
Stuck the FID valve (when fully open).
G
Malfunction in ECU (engine).
G
Open or short circuit in wire harness.
G
Defective lean angle sensor.
G
Malfunction in ECU (engine).
G
Open circuit in wire harness.
G
Malfunction in ECU (engine).
G
Defective fuel injection system relay.
G
Malfunction in ECU (engine). (The CO
G
adjustment value is not properly written on
or read from the internal memory).
Malfunction in the charging system. Refer to
"CHARGING SYSTEM" on page 8-15
Malfunction in ECU (engine). (The program
G
and data are not properly written on or read
from the internal memory.)
Open or short circuit in communication line.
G
Malfunction in meter unit.
G
ECU (engine) is defective
G
Open or short circuit in communication line.
G
Malfunction in meter unit.
G
ECU (engine) is defective
G
Open or short circuit in communication line.
G
Malfunction in meter unit.
G
ECU (engine) is defective
G
Open or short circuit in communication line.
G
Malfunction in meter unit.
G
ECU (engine) is defective
G
8-41
Diagnostic
code No.
30
01
08
50
60
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