Operation Manual

FUEL INJECTION SYSTEM
8-46
Fault code No. 19
Item
Sidestand switch: a break or disconnection of the light green lead of
the ECU is detected. (no normal signals are received from the side-
stand switch.)
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. d:20
Meter display
Sidestand switch
• ON (sidestand retracted)
• OFF (sidestand extended)
Procedure Extend and retract the sidestand.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Connection of sidestand
switch coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Connect it
securely, or repair/replace the
wire harness.
Place the main switch to the
ON position, and check the
fault code indication when
the sidestand is retracted and
extended.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
2 Connection of wire harness
ECU coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Connect it
securely, or repair/replace the
wire harness.
Place the main switch to the
ON position, and check the
fault code indication when
the sidestand is retracted and
extended.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
3 Continuity of wire harness Open or short circuit →
Replace the wire harness.
Light green–Light green
Black–Black
Place the main switch to the
ON position, and check the
fault code indication when
the sidestand is retracted and
extended.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
4 Sidestand switch malfunction Check in the diagnostic mode
(Code No. d:20).
Sidestand retracted: ON indi-
cation
Sidestand extended: OFF
indication
Indication is incorrect. →
Replace the sidestand switch.
Place the main switch to the
ON position, and check the
fault code indication when
the sidestand is retracted and
extended.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
5 ECU malfunction Replace the ECU.