Yamaha FZS6W Service Manual page 339

NOTE:
If the engine stop switch is set to "
9. Turn the main switch to "OFF" to cancel the diagnostic mode.
Diagnostic code table
Fault
code Symptom
No.
No normal signals are
12 received from the crank-
shaft position sensor.
Intake air pressure sensor-
13 open or short circuit
detected.
Intake air pressure sensor-
pipe system malfunction
(clogged or detached
14
hose).
• Detected hose
• Clogged hose
Throttle position sensor-
15 open or short circuit
detected.
Stuck throttle position sen-
16
sor detected.
Open circuit is detected in
19 the input line from the start
switch to the ECU.
Coolant temperature sen-
21 sor-open or short circuit
detected.
Intake air temperature sen-
22 sor-open or short circuit
detected.
No normal signal is
received from the O
24
sor.
", set it to " ", and then set it to "
Probable cause of malfunction
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wire sub lead.
• Open or short circuit in wire harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
• Intake air pressure sensor hose is
detached, clogged, kinked, or pinched.
• Malfunction in ECU.
• Open or short circuit in wire sub lead.
• Open or short circuit in wire harness.
• Defective throttle position sensor.
• Malfunction in ECU.
• Improperly installed throttle position sensor.
• Defective sensor (stuck throttle position
sensor).
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Improperly installed coolant temperature
sensor.
• Open or short circuit in wire harness.
• Defective intake temperature sensor.
• Malfunction in ECU.
• Improperly installed intake air temperature
sensor.
• Open or short circuit in wire harness.
• Defective O
2
sen-
2
• Malfunction in ECU.
• Improperly installed O
8-38
FUEL INJECTION SYSTEM
" again.
sensor.
sensor.
2
Diagnostic
code No.
—
03
03
01
01
20
06
05
—