Yamaha XV19SW Service Manual page 395

Fault code No. 33
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Cylinder-#1 left or right ignition coil
connector (primary coil side)
• Main wire harness ECU coupler
2 Open or short circuit in wire harness.
3 Defective cylinder-#1 left or right igni-
tion coil.
Symptom Malfunction detected in the primary wire of the cylinder-#1
left or right ignition coil.
30, 32 Cylinder-#1 left or right ignition coil
Check or maintenance job
• Check the connector and cou-
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between cylinder-#1 left or right
• Execute the diagnostic mode.
• Test the primary and secondary
• Replace if defective.
7-51
FUEL INJECTION SYSTEM
pler for any pins that may be
pulled out.
the connector and coupler.
and connect the coupler se-
curely.
open or short circuit.
ignition coil connector and ECU
coupler/main wire harness.
(black/red–blue/red)
(orange–orange)
(Code No.30 or 32)
coils for continuity.
Refer to "CHECKING THE IG-
NITION COILS" on page 7-83.
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.