Yamaha RS Venture RST90GTY 2009 Mode D'emploi page 142

Fault code No. 33
Diagnostic code No. d:30 (cylinder-#1 ignition coil)
Order Item/components and probable cause
1 Connections
• Cylinder-#1 ignition coil coupler
• Wire harness ECU couplers
• Ignition system sub-wire harness coupler
2 Open or short circuit in wire harness
and/or ignition system sub-wire harness.
3 Detective cylinder-#1 ignition coil.
Fault code No. 34
Diagnostic code No. d:31 (cylinder-#2 ignition coil)
Order Item/components and probable cause
1 Connections
• Cylinder-#2 ignition coil coupler
• Wire harness ECU couplers
• Ignition system sub-wire harness coupler
2 Open or short circuit in wire harness
and/or ignition system sub-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. d: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. d:31).
Test the primary and secondary coils for continu-
ity.
Replace if defective.
Refer to "IGNITION SYSTEM" in CHAPTER 8.
64
FI
Reinstatement
method
Starting the
engine and
operating it at
idle.
Reinstatement
method
Starting the
engine and
operating it at
idle.