Troubleshooting Details - Yamaha 2012 TMAX XP500A Service Manual

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EAS27462

TROUBLESHOOTING DETAILS

This section describes the measures per fault code number displayed on the meter. Check and ser-
vice the items or components that are the probable cause of the malfunction following the order
given.
After the check and service of the malfunctioning part have been completed, reset the meter display
according to the reinstatement method.
Fault code No.:
Fault code number displayed on the meter when the engine failed to work normally.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to "DIAGNOSTIC
MODE" on page 8-34.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
1
Connection of crankshaft
position sensor coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
2
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).
3
Continuity of wire harness
4
Sensor installation status
- Check the mounting sec-
tion for loose or pinched
mounting.
12
Crankshaft position sensor: no normal signals are received from the
crankshaft position sensor.
Unable to start engine
Unable to drive vehicle
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.
Black/yellow–Black/yellow
Black/blue–Black/blue
Incorrect installation → Rein-
stall or repair the sensor.
FUEL INJECTION SYSTEM
8-37
Sensor inspection proce-
dure
Crank the engine, and check
the fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Crank the engine, and check
the fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Crank the engine, and check
the fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Crank the engine, and check
the fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.

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