Yamaha YZFR1W 2007 Service Manual page 356

NOTE:
If the engine stop switch is set to "
9. Turn the main switch to "OFF" to cancel the diagnostic mode.
Fault code table
Fault
code Symptom
No.
No normal signals are
received from the cylinder
identification sensor when
11
the engine is started or
while the vehicle is being
driven.
No normal signals are
12 received from the crank-
shaft position sensor.
Intake air pressure sensor:
13 open or short circuit
detected.
Intake air pressure sensor:
hose system malfunction
14
(clogged or detached
hose).
Throttle position sensor (for
throttle valves): open or
short circuit detected.
15
Throttle position sensor (for
throttle valves) coupler con-
nection is loose.
EXUP servo motor circuit:
open or short circuit
17
detected or loose connec-
tion.
18 EXUP servo motor is stuck.
Open circuit is detected in
19 the input lead from the side-
stand switch to the ECU.
FUEL INJECTION SYSTEM
", set it to " ", and then set it to "
Probable cause of malfunction
• Open or short circuit in sub-wire-harness 1.
• Open or short circuit in wire harness.
• Defective cylinder identification sensor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wire harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
• Intake air pressure sensor hose is
detached, clogged, kinked, or pinched.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Defective throttle position sensor (for throt-
tle valves).
• Malfunction in ECU.
• Improperly installed throttle position sensor
(for throttle valves).
• Open or short circuit in wire harness.
• Defective EXUP servo motor (potentiometer
circuit).
• Open or short circuit in wire harness.
• Stuck EXUP servo motor (mechanism).
• Stuck EXUP servo motor (motor).
• Open circuit in wire harness (ECU Coupler).
• Malfunction in ECU.
• Relay unit (diode)
8-37
" again.
Diagnostic
code No.
—
—
03
03
01
13
53
53
20