Yamaha XT1200Z(Z) 2010, Service Manual

Page: 496 / 616

FUEL INJECTION SYSTEM
8-47
Fault code No. 33
Item
Cylinder-#1 left ignition coil: open or short circuit detected in
the primary lead of the cylinder-#1 left ignition coil.
Fail-safe system
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
Diagnostic code No. d:30
Actuation
Actuates the cylinder-#1 left ignition coil five times at one-second
intervals.
Illuminates the engine trouble warning light.
Procedure
Check that a spark is generated five times.
• Connect an ignition checker.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Connection of cylinder-#1
left ignition coil coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or repair/replace the wire
harness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 2.
2 Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or repair/replace the wire
harness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 3.
3 Wire harness continuity. Open or short circuit
→
Re-
place the wire harness.
Between cylinder-#1 left igni-
tion coil coupler and ECU
coupler.
orange–orange
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 4.
4 Installed condition of cylin-
der-#1 left ignition coil.
Check for looseness or
pinching. Improperly installed sensor
→
Reinstall or replace the
sensor.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 5.
5 Defective cylinder-#1 left ig-
nition coil. Execute the diagnostic
mode. (Code No. d:30)
Measure the primary coil re-
sistance of the cylinder-#1
left ignition coil.
Replace if defective.
Refer to “CHECKING THE
IGNITION COILS” on page
8-147. Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 6.