Yamaha FX10X 2008 Service Manual page 295

Fault code No. 33
Diagnostic code No. 30 (cylinder-#1 ignition coil)
Order Item/components and probable cause
1 Connections
Cylinder-#1 ignition coil coupler
Wire harness ECU couplers
2 Open or short circuit in wire harness.
3 Detective cylinder-#1 ignition coil.
Fault code No. 34
Diagnostic code No. 31 (cylinder-#2 ignition coil)
Order Item/components and probable cause
1 Connections
Cylinder-#2 ignition coil coupler
Wire harness ECU couplers
2 Open or short circuit in wire harness.
3 Defective cylinder-#2 ignition coil.
FUEL INJECTION SYSTEM
Symptom Malfunction detected in the primary lead of the cylinder-#1 ignition coil.
Check or maintenance job
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
Repair or replace if there is an open or short cir-
cuit.
Between the cylinder-#1 ignition coil coupler and
ECU couplers.
Orange – Orange
Red/White – Red/White
Execute the diagnostic mode (code No. 30).
Test the primary and secondary coils for continu-
ity.
Replace if defective.
Refer to "IGNITION SYSTEM" in CHAPTER 8.
Symptom Malfunction detected in the primary lead of the cylinder-#2 ignition coil.
Check or maintenance job
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
Repair or replace if there is an open or short cir-
cuit.
Between the cylinder-#2 ignition coil coupler and
ECU couplers.
Gray/Red – Gray/Red
Red/White – Red/White
Execute the diagnostic mode (code No. 31).
Test the primary and secondary coils for continu-
ity.
Replace if defective.
Refer to "IGNITION SYSTEM" in CHAPTER 8.
7-19
FI
Reinstatement
method
Starting the
engine and
operating it at
idle.
Reinstatement
method
Starting the
engine and
operating it at
idle.