FUEL INJECTION SYSTEM
8-75
B-1 Connections
• Gear position switch coupler
• Wire harness ECU coupler
• Front cowling wire harness coupler
• 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.
Starting the en-
gine, and input-
ting the vehicle
speed signals
by operating
the vehicle at a
20 to 30 km/h.
B-2 Open or short circuit in wire harness
and/or front cowling wire harness.
• Repair or replace if there is an
open or short circuit.
• Between gear position switch
coupler and relay unit coupler.
(sky blue–sky blue)
• Between relay unit coupler and
ECU coupler.
(black/yellow–black/yellow)
B-3 Faulty shift drum (neutral detection ar-
ea)
• Replace if defective.
Refer to “TRANSMISSION” on
page 5-94.
B-4 Defective gear position switch (neutral
circuit)
• Execute the diagnostic mode.
(Code No.21)
• Replace if defective.
Refer to “CHECKING THE
SWITCHES” on page 8-149.
Fault code No. 42 Symptom A. No normal signals are received from the rear wheel
sensor.
B. Open or short circuit is detected in the neutral circuit of
the gear position switch.
Diagnostic code No. A 07 Rear wheel sensor
B 21 Gear position switch (neutral circuit)
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
To Next Page
Loading...
