Yamaha XVS950CU 2014, Service Manual

Page: 473 / 580

FUEL INJECTION SYSTEM
7-82
6 Wire harness continuity. Between clutch switch cou-
pler and relay unit coupler.
blue/yellow–black/yellow
When the clutch lever is re-
leased: open circuit
When the clutch lever is
squeezed: short circuit
Open or short circuit
→
Re-
place the clutch switch.
Execute the diagnostic
mode. (Code No. 21)
When the transmission is in
gear with the clutch lever is
released and the sidestand
retracted: “OFF”
When the clutch lever is
squeezed: “ON”
Correct indication
→
Go to
item 9.
Incorrect indication
→
Go to
item 7.
7 Defective clutch switch. Check the clutch switch.
Replace if defective.
Refer to “CHECKING THE
SWITCHES” on page 7-151. Execute the diagnostic
mode. (Code No. 21)
When the transmission is in
gear with the clutch lever is
released and the sidestand
retracted: “OFF”
When the clutch lever is
squeezed: “ON”
Correct indication
→
Go to
item 9.
Incorrect indication
→
Go to
item 8.
8 Malfunction in ECU. Replace the ECU.
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 mph).
Check that the fault code
number is not displayed.
Fault code No. 43
Item
Fuel system voltage: incorrect voltage supplied to the fuel in-
jector and fuel pump.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 09, 50
Indicated
Fuel system voltage (battery voltage)
Approximately 12.0
Fault code No. 42 (For ABS models)
Item
A
Rear wheel sensor: no normal signals are received from the
rear wheel sensor.
B Neutral switch: open or short circuit is detected.
C Clutch switch: open or short circuit is detected.