Yamaha Grizzly550 User Manual page 385

Fault code No. 33
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Ignition coil connector (primary coil
side)
• Main wire harness-ECU coupler
2 Open or short circuit in wire harness.
3 Defective ignition coil
Symptom Malfunction detected in the primary lead of the ignition
coil.
d30 Ignition coil
Check or maintenance job
• Check the connector and cou-
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between ignition coil connector
• Between ignition coil connector
• Execute the diagnostic mode.
• Test the primary and secondary
• Replace if defective.
9-48
FUEL INJECTION SYSTEM
pler for any pins that may have
pulled out.
the connector and coupler.
and connect the connector or
coupler securely.
open or short circuit.
and ECU coupler.
(orange–orange)
and left handlebar switch cou-
pler.
(red/black–red/black)
(Code No. d30)
coils for continuity.
Refer to "CHECKING THE IG-
NITION COIL" on page 9-90.
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.
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