Yamaha FZ09E Service Manual page 388

FUEL INJECTION SYSTEM
Fault code No.
25
Item
Intake ai r pressure sensor 2: open or short circuit detected.
2 Connection of wire harness Improperly connected ~ Turn the main switch to "ON".
ECU coupler. Connect the coupler securely Fault code number is not dis-
Check the locking condition or replace the wire harness. played
~
Service is finished.
of the coupler. Fault code number is dis-
Disconnect the coupler and
played ~ Go to item 3.
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
3 Wire harness continuity. Open or short circuit
~
Turn the main switch to "ON".
Replace the wire harness.
Fault code number is not dis-
Between intake air pressure played
~
Service is finished.
sensor 2 coupler and ECU Fault code number is dis-
coupler. played
~
Go to item 4.
pink/white- pink/white
Between intake air pressure
sensor 2 coupler and joint
connector.
blue-blue
black/blue-black/blue
Between joint connector and
ECU coupler.
blue-blue
black/blue- black/blue
4 Installed condition of intake Improperly installed sensor
Turn the main switch to "ON".
air pressure sensor 2. ~ Reinstall or replace the Fault code number is not dis-
Check for looseness or sensor. played
~
Service is finished.
pinching.
Fault code number is dis-
played
~
Go to item 5.
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