Yamaha TMAX XP500F 2015, Service Manual, Page: 394 / 478

FUEL INJECTION SYSTEM
8-37
6. Condition
The current conditions are displayed. (Detected/Recovered)
7. Symptom
The symptoms of the detected malfunction are displayed.
8. Diagnosis code
The diagnosis codes related to the detected malfunction are displayed.
9. FFD (only for models that can display freeze frame data)
The mark “ ” is displayed when the freeze frame data is available.
10.ECU conduction time (hour: minute: second)
The total ECU conduction time (total hours the vehicle’s main switch was ON) when the malfunction
was detected is displayed.
11.Number of main switch operation after detection
The number of times the main switch was turned on between the malfunction detection and code
reading is displayed.
12.Number of occurrences
The number of malfunction occurrences between the malfunction detection and code reading is dis-
played.
EAS30508
TROUBLESHOOTING DETAILS
This section describes the measures per fault code number displayed on the meter. Check and service
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 “SELF-DIAGNOS-
TIC FUNCTION AND DIAGNOSTIC CODE TABLE” on page 9-5.
Fault code No. 12
Fault code No. 12
Item
Crankshaft position sensor: no normal signals are received from the
crankshaft position sensor.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. —
Indicated —
Procedure —
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
1 Connection of crankshaft posi-
tion sensor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking). Poor connection
→
Connect it
securely, or replace the wire
harness.
Crank the engine, and check the
fault code indication.
No fault code indicated.
→
Ser-
vice is finished.
Fault code indicated.
→
Go to
item 2.