Fuel system diagnosis

Schematic and routing diagramDTC “c91” (p0500): vehicle speed sensor
circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
Speedometer does not receive signal from the vehicle
speed sensor for more than 6 sec. When the motorcycle is
running. Ecm does not receive signal from the vehicle
speed sensor for more than ...
Fuel tank cap
To open the fuel tank cap, insert
the ignition key into the lock and
turn it clockwise. With the key
inserted, lift up with the key and
open the fuel tank cap. To close
the fuel tank cap, push the cap
down firmly with the key in the cap
lock.
Fuel level
Fi ller neck
Wa ...
Pair system inspection
Inspect pair system
every 12 000 km (7 500 miles, 24 months)
Inspect the pair (air supply) system periodically. Refer to “pair system
inspection” in section 1b .
Throttle valve synchronization
Inspect throttle valve synchronization
initially at 1 000 km (600 miles, 2 months) (e-33 only)
and ...