Yamaha 2007 XP500 Service Manual page 368

Fault code No. 33
Diagnostic code No.
Order Item/components and probable cause
1 Connected state of connector
Ignition coil primary side coupler
G
(Orange)
Main wire harness ECU (engine)
G
coupler
2 Open or short circuit in wire harness.
3 Defective ignition coil
Fault code No. 37
Diagnostic monitoring
code No.
Order Item/components and probable cause
1 Stuck FID valve detected.
2 Defective throttle fully closed.
Symptom Malfunction detected in the primary wire of the ignition coil.
30 Ignition coil
Symptom Engine speed is high when the engine is idling.
01 Throttle position sensor
FUEL INJECTION SYSTEM
Check or maintenance job
Check the coupler for any pins
G
that may have pulled out.
Check the locking condition of
G
the coupler.
If there is a malfunction, repair it
G
and connect it securely.
Repair or replace if there is an
G
open or short circuit.
Between ignition coil coupler
G
and ECU coupler
(Orange–Orange)
(Red/Black–Red/Black)
Execute the diagnostic monitor-
G
ing mode. (Code No.30)
Replace if defective.
G
Refer to "CHECKING THE IGNI-
TION COIL" on page 8-113.
Check or maintenance job
Check the throttle body.
G
Refer to "THROTTLE BODIES" on
page 7-4.
Check the throttle body.
G
Refer to "THROTTLE BODIES" on
page 7-4.
8-53
Reinstatement
method
Starting the
engine and oper-
ating it at idle.
Reinstatement
method
Reinstated by
starting the
engine and oper-
ating it at idle for
about 5 minutes.
Do not turn the
throttle grip.