Yamaha 2009 XP500Y TMAX Service Manual page 345

Fault code No. 24
Diagnostic code No.
Order Item/components and probable
cause
1 Installed condition of O
2 Connections
• O sensor coupler
2
• Wire harness ECU (engine control
unit) coupler
3 Open or short circuit in wire harness.
4 Check fuel pressure.
5 Defective O sensor.
2
Fault code No. 30
Diagnostic code No.
Order Item/components and probable
cause
1 The vehicle has overturned.
2 Installed condition of the lean angle
sensor.
3 Defective lean angle sensor.
Symptom No normal signal is received from the O
— —
Check or maintenance job
sensor. Check for looseness or pinching. Starting and
2
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between O
Refer to "CHECKING THE FUEL
PRESSURE" on page 7-3.
Replace if defective.
Symptom Latch up detected.
No normal signal is received from the lean angle sensor.
08 Lean angle sensor
Check or maintenance job
Raise the vehicle upright.
Check for looseness or pinching.
• Execute the diagnostic mode.
• Replace if defective.
8-48
FUEL INJECTION SYSTEM
that may have pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
sensor coupler and
2
ECU (engine control unit) cou-
pler.
(black/blue–black/blue)
(gray/green–gray/green)
(red/blue–red/blue)
(black–black)
(Code No. 08)
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-73.
sensor.
2
Reinstatement
method
warming up the
engine until the
coolant temper-
ature rises over
60 °C (140 °F).
Then, maintain-
ing the engine
speed at 2000
r/min to 3000
r/min until the
warning light
goes off.
When the
warning light
goes off, the re-
set operation is
finished.
Reinstatement
method
Turning the
main switch to
"ON" (however,
the engine can-
not be restarted
unless the main
switch is first
turned "OFF").