Yamaha 2012 TMAX XP500A Service Manual page 433

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
2 Connection of wire harness
ABS ECU coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
3 Connection of wire harness
ECU coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
4 Continuity of wire harness
42
No normal signals are received from the front wheel sensor.
Able to start engine
Able to drive vehicle
d:07
Vehicle speed pulses: 0–999
Check that the number increases when the front wheel is rotated.
The number is cumulative and does not reset each time the wheel is
stopped.
Check or maintenance job
Poor connection → Connect it
securely, or repair/replace the
wire harness.
Poor connection → Connect it
securely, or repair/replace the
wire harness.
Open or short circuit →
Replace the wire harness.
• Between front wheel sensor
coupler and ABS ECU cou-
pler.
(White–White)
(Black–Black)
• Between ABS ECU coupler
and ECU coupler.
(White–White)
FUEL INJECTION SYSTEM
8-58
Sensor inspection proce-
dure
Place the main switch to the
"ON" position and then rotate
the front wheel a few turns
manually to enter the speed
pulse.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
"ON" position and then rotate
the front wheel a few turns
manually to enter the speed
pulse.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
"ON" position and then rotate
the front wheel a few turns
manually to enter the speed
pulse.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.