FUEL INJECTION SYSTEM
8-48
1 Connection of sidestand
switch 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 secure-
ly or replace the wire har-
ness.
Turn the main switch to “ON”,
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
2 Connection of wire harness
ECU 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 secure-
ly or replace the wire har-
ness.
Turn the main switch to “ON”,
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
3 Connection of relay unit cou-
pler.
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 secure-
ly or replace the wire har-
ness.
Turn the main switch to “ON”,
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
4 Wire harness continuity. Open or short circuit → Re-
place the wire harness.
Between relay unit coupler
and ECU coupler.
black/red–black/red
Turn the main switch to “ON”,
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 5.
5 Defective sidestand switch. Execute the diagnostic
mode. (Code No. 20)
Shift the transmission into
gear.
Sidestand retracted: “ON”
Sidestand extended: “OFF”
Replace if defective.
Turn the main switch to “ON”,
and then extend and retract
the sidestand.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
6 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 19
Item
Sidestand switch: a break or disconnection of the black/red
lead of the ECU is detected.
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