Yamaha FZ09E 2014 Service Manual page 397

Fault code No.
Item
5 Wire harness continuity.
6 Malfunction in ECU.
7 Delete the fault code.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
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).
39
Injector: open or short circuit detected.
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
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-93.
41
Lean angle sensor: open or short circuit detected.
Unable to start engine
Unable to drive vehicle
08
Lean angle sensor output voltage
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Remove the lean angle sensor and incline it more than 65
degrees.
Maintenance job
Improperly connected 
Connect the coupler securely
or replace the wire harness.
8-62
FUEL INJECTION SYSTEM
Execute the diagnostic
mode. (Code Nos. 36, 37,
38)
No operating sound  Go to
item 6.
Operating sound  Go to
item 7.
Start the engine and let it idle
for approximately 5 seconds.
Check that the fault code
number is not displayed.
Confirmation of service
completion
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.