Yamaha 2016 Grizzly yf700gg, Руководство по обслуживанию, Страница: 400 / 474

FUEL INJECTION SYSTEM
9-45
Fault code No. 33
Fault code No. 33
Item
Ignition coil: open or short circuit detected in the primary lead of the
ignition coil.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. 30
Actuation
Actuates the ignition coil five times at one-second intervals.
The “CHECK” indicator and “
” on the Yamaha diagnostic tool screen
come on each time the ignition coil is actuated.
Procedure
Check that a spark is generated five times.
• Connect an ignition checker.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
1 Connection of ignition coil con-
nector.
Check the locking condition of
the connector.
Disconnect the connector and
check the pins (bent or broken
terminals and locking condition
of the pins). Improperly connected
→
Con-
nect the connector securely or
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 displayed
→
Go to item 2.
2 Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins). Improperly connected
→
Con-
nect the coupler securely or re-
place 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 displayed
→
Go to item 3.
3 Wire harness continuity. Open or short circuit
→
Replace
the wire harness.
Between ignition coil connector
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 displayed
→
Go to item 4.
4 Installed condition of ignition
coil.
Check for looseness or pinch-
ing. Improperly installed ignition coil
→
Reinstall or replace the igni-
tion coil.
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 displayed
→
Go to item 5.
5 Defective ignition coil. Measure the primary coil resis-
tance of the ignition coil.
Replace if out of specification.
Refer to “CHECKING THE IG-
NITION COIL” on page 9-91. 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 displayed
→
Go to item 6.
6 Malfunction in ECU. Execute the diagnostic mode.
(Code No. 30)
No spark
→
Replace the ECU.