Yamaha XVS1300A 2007 Service Manual page 371

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. 42
Diagnostic code No.
Order Item/components and probable
cause
B-1 Connections
• Neutral switch coupler
• Wire harness ECU coupler
B-2 Open circuit in neutral switch lead.
B-3 Faulty shift drum (neutral detection ar-
ea).
B-4 Defective neutral switch.
email: info@motomatrix.co.uk
Symptom A. No normal signals are received from the speed sensor.
B. Open circuit is detected in the neutral switch.
A 07 Speed sensor
B 21 Neutral switch
Check or maintenance job
8-60
FUEL INJECTION SYSTEM
• 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 se-
curely.
• Repair or replace if there is an
open circuit.
• Between neutral switch coupler
and relay unit coupler (fuel
pump relay).
(sky blue–sky blue)
• Between relay unit coupler and
main switch.
(blue/yellow–blue/yellow)
• Between main switch and ECU
coupler.
(blue/black–blue/black)
• Replace if defective.
Refer to "TRANSMISSION" on
page 5-79.
• Execute the diagnostic mode.
(Code No. 21)
• Replace if defective.
Refer to "CHECKING THE
SWITCHES" on page 8-83.
Reinstatement
method
Starting the en-
gine, and acti-
vating the
speed sensor
by operating
the vehicle at
20 to 30 km/h.