Yamaha FZ09E Service Manual page 380

FUEL INJECTION SYSTEM
Fault code No.
19
Item
Sidestand switch: a break or disconnection of the black/red
lead of the ECU is detected.
Item Probable cause of Maintenance job Confirmation of service
malfunction and check completion
1
Connection of sidestand Improperly connected
-+
Turn the main switch to "ON",
switch coupler. Connect the coupler securely and then extend and retract
Check the locking condition or replace the wire harness. the sidestand.
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).
2 Connection of wire harness Improperly connected
-+ Turn the main switch to "ON",
ECU coupler. Connect the coupler securely and then extend and retract
Check the locking condition or replace the wire harness. the sidestand.
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 3.
condition of the pins).
3 Connection of main switch Improperly connected
-+
Turn the main switch to "ON",
coupler. Connect the co upler securely and then extend and retract
Check the locking condition or replace the wire harness. the sidestand.
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 4.
condition of the pins).
4
Connection of relay unit cou-
Improperly connected
-+ Turn the main switch to "ON",
pier. Connect the co upler securely and then extend and retract
Check the locking condition or replace the wire harness. the sidestand.
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 5.
condition of the pins).
5 Wire harness continuity. Open or short circuit
-+
Turn the main switch to "ON",
Replace the wire harness. and then extend and retract
Between main switch coupler the sidestand.
and relay unit coupler. Fault code number is not dis-
brown/red-black/red played -+ Service is finished.
Between main switch coupler Fault code number is dis-
and ECU coupler. played
-+
Go to item 6.
black/red-black/red
Between relay unit coupler
and sidestand switch cou-
pier.
blue/black- blue/ black
8-45