FUEL INJECTION SYSTEM
8-58
Fault code No.
12
Symptom No normal signals are received from the crankshaft posi-
tion sensor.
Diagnostic code No.
—
—
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Installed condition of crankshaft posi-
tion sensor
Check for looseness or pinching.
Cranking the
engine.
2
Connections
• Crankshaft position sensor coupler
• Wire harness ECU 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.
3
Open or short circuit in wire harness.
• Repair or replace if there is an
open or short circuit.
• Between the crankshaft position
sensor coupler and ECU cou-
pler.
(gray–gray)
(black/blue–black/blue)
4
Defective crankshaft position sensor.
• Replace if defective.
Refer to “CHECKING THE
CRANKSHAFT POSITION
SENSOR” on page 8-162.
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
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