Yamaha FZS6W Service Manual page 340

Fault
code Symptom
No.
Latch up detected.
No normal signal is
30
received from the lean
angle sensor.
Malfunction detected in the
33 primary wire of the ignition
coil (#1and #4).
Malfunction detected in the
34 primary wire of the ignition
coil (#2 and #3).
Lean angle sensor-open or
41
short circuit detected.
No normal signals are
received from the speed
sensor.
42
Open or short circuit is
detected in the neutral
switch.
The ECU is unable to moni-
tor the battery voltage
43
(an open circuit in the line to
the ECU).
Error is detected while
reading or writing on
44
EEPROM (CO adjustment
value).
Power supply to the fuel
46 injection system is not nor-
mal.
Faulty ECU memory. (When
this malfunction is detected
50 in the ECU, the fault code
number might not appear
on the meter.)
No signals are received
Er-1
from the ECU.
No signals are received
Er-2 from the ECU within the
specified duration.
FUEL INJECTION SYSTEM
Probable cause of malfunction
• The vehicle has overturned.
• Defective lean angle sensor.
• Malfunction in ECU.
• Improperly installed lean angle sensor.
• Open or short circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
• Open or short circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
• Open or short circuit in wire harness.
• Defective lean angle sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Defective speed sensor.
• Malfunction in vehicle speed sensor
detected unit.
• Defective neutral switch.
• Malfunction in the engine side of the neutral
switch.
• Malfunction in ECU.
• Open circuit in wire harness.
• Malfunction in ECU.
• Malfunction in ECU. (The CO adjustment
value is not properly written on or read from
the internal memory).
• Malfunction in the charging system. Refer to
"CHARGING SYSTEM" on page 8-11.
• Malfunction in ECU. (The program and data
are not properly written on or read from the
internal memory.)
• Open or short circuit in communication line.
• Malfunction in meter unit.
• Malfunction in ECU.
• Open or short circuit in communication line.
• Malfunction in meter unit.
• Malfunction in ECU.
8-39
Diagnostic
code No.
08
30
31
08
07
21
09
60
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