Yamaha FZ09E - Troubleshooting Method

EA$30580
TROUBLESHOOTING METHOD
The eng ine ope ra ti on Is n ot no r mal a nd t he
en gine trou ble warnin g light co mes on .
1. Check:
• Fault code number
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
a. Check the fault code number di sp layed on
the meter.
b. Identify the faulty system with the fault code
number.
c. Identify the probable cause of the
ma lfunc-
tion.
••••••••••••••••••••••••••••••••
2. Check and repair the probable cause of the
malfunction.
Fault code No . No fau lt code No.
Ch
eck and repair. Check and repair.
Re f er to "TROUBLE-
SHOOTI
NG
DETAILS" on page
8-38.
Monitor the opera-
li
on of the sensors
and actuators in the
diagnostic mode.
Re fer to "TROUBLE-
SHOOTI
NG
DETAILS" on page
8-
38 and
"SELF-DIAGNOS-
TIC FUNCTION AND
DIAGNOSTIC
CODE
TABLE" on page 9-5.
3. Perform the reinstatement action for the fuel
injection system.
Refer
to "Co nfirmat io n of servi ce completion"
in the appropriate table in "TROUBLE-
SHOOTl NG DETAILS"
on page 8-38.
4. Set the main
sw itch to "OFF ", then to "ON"
agai
n, and then check that no fault code num-
ber is displayed.
TIP ~~~~~~~~~~~~~~~
If another fa ul t code number is displayed, repeat
steps (1) to (4) until
no fault code number is dis-
played.
5. Erase t
he malfun ct ion history in the diagnos-
tic mode (code No.62). Refer to "SELF-DIAG-
NOSTIC FUNCTION AND DIAGNOSTIC
CODE TABLE" on page 9-5.
FUEL INJECTION SYSTEM
TIP ~~~~~~~~~~~~~~
Setting t he ma in switch to "OFP' will not erase
the
ma lfunction history.
The eng i ne oper a tion is not no r mal , but the
e ngin e tr ou bl e warning light do es not com e
on _
1. Check the operation of the following sensors
and actuators in the diagnostic mode. Refer
to "TROUBLESHOOTING DETAILS" on
page 8-38.
1 : Throttle position sensor signal 1
(throttle angle)
13: Throttle position sensor signal 2
(throttle angle)
14: Accelerator position sensor signal 1
(throttle angle)
15: Accelerator position sensor signal 2
(throttle angle)
8-35
30 : Cylinder -#1 ignition co il
31:
Cy linder-#2 ignition co il
32: Cylinder-#3 ignition coil
36: In
je ctor #1
37: Injector #2
38 : Injector #3
48: Air indu
ct i on system so lenoid
If a malfunction is detected in the sensors
or
ac tuators, repair or replace a ll faulty parts.
If no malfunction is detected in the senso
rs
and actuators, check and repair the inner
parts
of the engine.