Yamaha FZ09E 2014, Service Manual, Page: 397 / 468

FUEL INJECTION SYSTEM
8-62
5 Wire harness continuity. Open or short circuit

Replace the wire harness.
Between injector coupler and
ECU coupler.
Injector #1
red/black–red/black
Injector #2
green/black–green/black
Injector #3
blue/black–blue/black
Between injector coupler and
relay unit coupler.
red/blue–red/blue
Execute the diagnostic
mode. (Code Nos. 36, 37,
38)
No operating sound

Go to
item 6.
Operating sound

Go to
item 7.
6 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-93.
7 Delete the fault code. Start the engine and let it idle
for approximately 5 seconds.
Check that the fault code
number is not displayed.
Fault code No. 41
Item Lean angle sensor: open or short circuit detected.
Fail-safe system Unable to start engine
Unable to drive vehicle
Diagnostic code No. 08
Meter display
Lean angle sensor output voltage
•
0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Procedure
Remove the lean angle sensor and incline it more than 65
degrees.
Item Probable cause of
malfunction and check
Maintenance job Confirmation of service
completion
1 Connection of lean angle
sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
Improperly connected

Connect the coupler securely
or replace the wire harness.
Turn the main switch to “ON”,
then to “OFF”, and then back
to “ON”.
Fault code number is not dis-
played

Service is finished.
Fault code number is dis-
played

Go to item 2.
Fault code No. 39
Item Injector: open or short circuit detected.