Yamaha RAPTOR YFM700RF 2015, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-50
Fault code No. 42
Item
Speed sensor: no normal signals are received from the speed
sensor.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 07
Indicated
Vehicle speed pulse
0–999
Procedure
Check that the number increases when the rear wheels are rotat-
ed. The number is cumulative and does not reset each time the
wheel is stopped.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Connection of speed sensor
coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or replace the wire har-
ness.
Turn the main switch to “ ”
(on), and then rotate the rear
wheel by hand.
Fault code number is not dis-
played
→
Go to item 6.
Fault code number is dis-
played
→
Go to item 2.
2 Connection of ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or replace the wire har-
ness.
Turn the main switch to “ ”
(on), and then rotate the rear
wheel by hand.
Fault code number is not dis-
played
→
Go to item 6.
Fault code number is dis-
played
→
Go to item 3.
3 Wire harness continuity. Open or short circuit
→
Re-
place the wire harness.
Between speed sensor cou-
pler and ECU coupler.
white–white
Between speed sensor cou-
pler and joint coupler.
blue–blue
black/blue–black/blue
Between joint coupler and
ECU coupler.
blue–blue
black/blue–black/blue
Turn the main switch to “ ”
(on), and then rotate the rear
wheel by hand.
Fault code number is not dis-
played
→
Go to item 6.
Fault code number is dis-
played
→
Go to item 4.
4 Defective speed sensor. Execute the diagnostic
mode. (Code No. 07)
While the rear wheels and
stopped, check that the indi-
cated value does not
change.
Rotate the rear wheel by
hand and check that the indi-
cated value increases.
Malfunction
→
Replace the
speed sensor.
Turn the main switch to “ ”
(on), and then rotate the rear
wheel by hand.
Fault code number is not dis-
played
→
Go to item 6.
Fault code number is dis-
played
→
Go to item 5.