Fuel system diagnosis

Schematic and routing diagramFi system troubleshooting
Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as
described by the customer. For this purpose,
use of such an inspection form such as following will facilitate collecting
information to the point required for proper
analysis and diagnosis.
...
DTC “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 ...
Speed sensor inspection
Inspect the speed sensor in the following procedures:
remove the speed sensor. Refer to “speed sensor removal and
installation” .
Connect a 12 v battery (between b and b/w), 10 kù
resistor (between b/r and b) and multi-circuit tester
(tester (+) probe to b and tester ...