Yamaha TRACER MT09TRA Service Manual page 457

Fault code No.
Item
C-7 Defective clutch switch.
C-8 Malfunction in ECU.
C-9 Delete the fault code.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
09 Meter display
Procedure
Actuation
50
Procedure
Item Probable cause of
malfunction and check
42
Rear wheel sensor: no normal signals are received from the rear
A
wheel sensor.
B Neutral switch: open or short circuit is detected.
C Clutch switch: open or short circuit is detected.
Check the clutch switch.
Replace if defective.
Refer to "CHECKING THE
SWITCHES" on page 8-127.
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-132.
43
Fuel system voltage: incorrect voltage supplied to the fuel injector
and fuel pump.
Able to start engine
Able to drive vehicle
09, 50
Fuel system voltage (battery voltage)
Approximately 12.0
Set the start/engine stop switch to "
measured battery voltage with the meter display value. (If the actually
measured battery voltage is low, recharge the battery.)
Actuates the relay unit five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that the relay unit is actuated five times by listening for the operat-
ing sound.
Maintenance job
8-66
FUEL INJECTION SYSTEM
Execute the diagnostic mode.
(Code No. 21)
When the clutch lever is
released with the transmission
in gear and when the sidestand
is retracted: "OFF"
When the clutch lever is
squeezed with the transmission
in gear and when the sidestand
is retracted: "ON"
Correct indication Go to item
C-9.
Incorrect indication  Go to
item C-8.
Turn the main switch to "ON",
and then rotate the rear wheel
by hand.
Start the engine, and input the
vehicle speed signals by operat-
ing the vehicle at 20 to 30 km/h
(19 mi/h).
The fault code can also be
delete by activating the diagnos-
tic mode and selecting diagnos-
tic code number "63".
", and then compare the actually
Confirmation of service com-
pletion