Troubleshooting Chart - Yamaha Phazer Venture Lite PZ50MTA 2011 Supplementary Service Manual

TROUBLESHOOTING CHART

Engine operation is not normal or the warning light and self-diagnosis warning indicator flash.
* Warning light and self-diagnosis warning indicator may not flash even if the engine operation is not normal.
The warning light and self-diagnosis warning indicator
flash.
Check the fault code number displayed on the meter.
Identify the system with the malfunction. (Refer to
"Self-Diagnostic-Function table".)
Identify the probable cause of the malfunction. (Refer to
"Fault code table".)
Check and repair the probable cause of the malfunction.
Fault code No.
Check and repair. (Refer
to "TROUBLESHOOTING
DETAILS".)
Monitor the operation of
the sensors and actuators
in the diagnostic mode.
(Refer to "Diagnostic
mode table".)
Perform the ECU reinstatement action. (Refer to
"Reinstatement method" in "TROUBLESHOOTING
DETAILS".)
Turn the main switch off, turn the main switch back on,
and then check if the fault code number is still
displayed.
Erasing the malfunction history:*
The malfunction history is stored even if the main switch is turned off.
The malfunction history must be erased in the diagnostic mode. (Refer to the "Diagnostic mode table (Diagnostic code
No. 62)".)
* Operated when the warning light and self-diagnosis warning indicator flash.
FUEL INJECTION SYSTEM
No fault code No.
Check and repair. (Refer
to "Self-Diagnostic-
Function table".)
Fault code number not displayed
Repairs completed
The warning light and self-diagnosis warning indicator
do not come on.
Check the operation of the following sensors and
actuators in the diagnostic mode. (Refer to "Diagnostic
mode table".)
01:Throttle position
sensor (throttle angle)
03, 04: Intake air
pressure
07:Vehicle speed pulse
09:Fuel system voltage
(battery voltage)
OK
Engine malfunction
Check and repair the
inner parts of the
engine. (Refer to
CHAPTER 5.)
OK
Check the engine condition.
Fault code number
displayed
15
FI
30:Cylinder-#1 ignition
coil
31:Cylinder-#2 ignition
coil
36:Injector #1
37:Injector #2
NG
Defective sensor or
actuator
Check and repair the
corresponding sensor
or actuator.
NG OK
OK