Yamaha FZ09E Service Manual page 403

FUEL INJECTION SYSTEM
Fault code No. 42
A
Speed sensor: no normal signals are received from the speed
sensor.
Item
B
Neutral switch: open or short circuit Is detected.
c
Clutch switch: open or short circuit is detected.
7 Faulty shift drum (neutral Malfunction
->
Replace the Execute the diagnostic
detection area). shift drum. mode. (Code No. 21)
Refer to "T RANSMISSION"
When the transmission is in
on page 5-76. neutral: "ON"
When the transmission is in
gear with the clutch lever
released: "O FP'
Correct indication
->
Go to
item 9.
Incorrect indication
->
Go to
item 8.
8
Malfunction in ECU. Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-93.
9 Delete the fault code. Turn the main switch to "ON",
and then rotate the rear
wheel by hand.
Start the engine, and input
the vehicle speed signals by
operating the vehicle at 20 to
30 km/h (19 mi/h).
The fault code can also be
delete by activating the diag-
nostic mode and selecting
diagnostic code number "63".
Fault code No.
42
A
Speed sensor: no normal signals are received from the speed
sensor.
Item
B Neutral switch : open or short circuit is detected.
c
Clutch switch: open or short circu it Is detected.
Fail-safe system Able to start engine
Able to drive vehicle
Diagnostic code No. 21
Meter display
Clutch switch
• "ON" (when the clutch lever is squeezed with the transmission
in gear and when the sidestand is retracted)
• "O FF" (when the cl utch lever is squeezed with the transmission
in gear and when the sidestand is extended)
8-68