FUEL INJECTION SYSTEM
8-38
NOTE:
If the engine stop switch is set to “
”, set it to “
”, and then set it to “
” again.
9. Turn the main switch to “OFF” to cancel the diagnostic mode.
Fault code table
Fault
code
No.
Symptom
Probable cause of malfunction
Diagnostic
code No.
11
No normal signals are
received from the cylinder
identification sensor when
the engine is started or
while the vehicle is being
driven.
• 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.
—
12
No normal signals are
received from the crank-
shaft position sensor.
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
—
13
Intake air pressure sensor:
open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
03
14
Intake air pressure sensor:
hose system malfunction
(clogged or detached
hose).
• Intake air pressure sensor hose is
detached, clogged, kinked, or pinched.
• Malfunction in ECU.
03
15
Throttle position sensor (for
throttle valves): open or
short circuit detected.
Throttle position sensor (for
throttle valves) coupler con-
nection is loose.
• 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).
01
13
17
EXUP servo motor circuit:
open or short circuit
detected or loose connec-
tion.
• Open or short circuit in wire harness.
• Defective EXUP servo motor (potentiometer
circuit).
53
18
EXUP servo motor is stuck.
• Open or short circuit in wire harness.
• Stuck EXUP servo motor (mechanism).
• Stuck EXUP servo motor (motor).
53
19
Open circuit is detected in
the input lead from the side-
stand switch to the ECU.
• Open circuit in wire harness (ECU Coupler).
• Malfunction in ECU.
• Relay unit (diode)
20
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