Yamaha FZ09E Service Manual page 397

FUEL INJECTION SYSTEM
Fault code No.
39
Item
Injector: open or short circuit detected.
5 Wire harness continuity. Open or short circuit
~
Execute the diagnostic
Replace the wire harness. mode. (Code Nos. 36, 37,
Between injector coupler and 38)
ECU coupler. No operating sound
~
Go to
Injector #1 item 6.
red/black-red/black Operating sound
~
Go to
Injector #2 item 7.
green/black-green/black
Injector #3
blue/black- blue/black
Between injector coupler and
relay unit coupler.
red/blue- red/blue
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 Maintenance job Confirmation of service
malfunction and check completion
1 Connection of lean angle Improperly connected
~
Turn the main switch to "ON",
sensor coupler. Connect the coupler securely then to "OFP', and then back
Check the locking condition or replace the wire harness. to "ON".
of the coupler. Fault code number is not dis-
Disconnect the coupler and played
~
Service is finished.
check the pins (bent or bro- Fault code number is dis-
ken terminals and locking played
~
Go to item 2.
condition of the pins).
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