Yamaha XV19CTMX(C), Service Manual

Page: 445 / 494

FUEL INJECTION SYSTEM
7-54
Fault code No. 36 Symptom Malfunction detected in the primary wire of the cylinder-#2
left or right ignition coil.
Diagnostic code No. 31, 33 Cylinder-#2 left or right ignition coil
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Cylinder-#2 left or right ignition coil
connector (primary coil side)
• Main wire harness ECU coupler
• Sub-wire harness 3 coupler
• Check the connector and cou-
pler for any pins that may be
pulled out.
• Check the locking condition of
the connector and coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
Starting the en-
gine and oper-
ating it at idle.
2 Open or short circuit in wire harness
and/or sub lead. • Repair or replace if there is an
open or short circuit.
• Between cylinder-#2 left or right
ignition coil connector and ECU
coupler/main wire harness.
(black/red–blue/red)
(gray/red–gray/red)
3 Defective cylinder-#2 left or right igni-
tion coil. • Execute the diagnostic mode.
(Code No.31 or 33)
• Test the primary and secondary
coils for continuity.
• Replace if defective.
Refer to “CHECKING THE IG-
NITION COILS” on page 7-84.