Yamaha 2009 YZF-R1 (Y) User Manual

FUEL INJECTION SYSTEM
8-54
Fault code No. 19
Symptom Open or short circuit of ECU input line (Blue/Yellow lead)
Fail-safe action
Engine startup: Impossible
Riding: Impossible
Diagnostic monitor-
ing code No.
D:20
Meter display
Sidestand switch
• ON (stand retracted)
• OFF (stand extended)
Checking method Set on/off the sidestand switch. (with the transmission in gear.)
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.
Remove 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 main harness
ECU coupler
Check the connection of the
coupler is secure.
Remove 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 Connection of main switch
coupler
Check the connection of the
coupler is secure.
Remove 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.
4 Continuity of wire harness Open or short circuit →
Replace the wire harness.
Blue/Yellow–Blue/Yellow
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.

Yamaha 2009 YZF-R1 (Y) Specifications

General

Bore x Stroke	78.0 mm x 52.2 mm
Compression Ratio	12.7:1
Fuel System	Fuel injection with YCC-T and YCC-I
Ignition	TCI: Transistor Controlled Ignition
Transmission	6-speed w/multiplate slipper clutch
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/55-ZR17
Seat Height	835 mm
Wet Weight	206 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, inline 4-cylinder
Front Suspension	43 mm inverted fork, fully adjustable
Rear Suspension	Single shock, fully adjustable
Front Brakes	Dual 310 mm discs, radial-mount 6-piston calipers
Rear Brakes	220 mm disc, single-piston caliper
Dimensions (L x W x H)	2, 070 mm x 715 mm x 1, 130 mm
Wheelbase	1415 mm
Fuel Capacity	18 L