Yamaha Vmax VMX17C 2009 Service Manual page 492

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Checking method
Probable cause of malfunction
Connections
• Rear wheel sensor coupler
1 • Wire harness ECU coupler
• ABS ECU coupler
Open or short circuit in wire harness.
A
2
Sensor rotor for detecting vehicle speed
3
has broken.
Defective rear wheel sensor.
4
Reinstatement method
42
Rear wheel sensor: no normal signals are received from
A
the rear wheel sensor.
Gear position switch: open or short circuit is detected in the
B
neutral circuit of the gear position switch.
Able to start engine
Able to drive vehicle
D:07
0–999
Check that the number increases when the rear wheel is rotated.
The number is cumulative and does not reset each time the wheel
is stopped.
• Check the coupler for any pins that may be
pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect
the coupler securely.
• Repair or replace if there is an open or short
circuit.
• Between rear wheel sensor coupler and ABS
ECU coupler.
(white–white)
(black–black)
• Between ABS ECU coupler and ECU coupler.
(white/yellow–white/yellow)
• Replace the rear wheel.
Refer to "REAR WHEEL" on page 4-20.
• Execute the diagnostic mode. (Code No. D:07)
• Replace if defective.
Refer to "MAINTENANCE OF THE REAR
WHEEL SENSOR AND SENSOR ROTOR" on
page 4-24.
Starting the engine, and inputting the vehicle speed signals by op-
erating the vehicle at a 20 to 30 km/h.
8-59
FUEL INJECTION SYSTEM
Check or maintenance job