Yamaha RX10LTGTAX, Service Manual

Page: 300 / 1664

FI
Diagnostic
F
ault
C
ode
T
able
Fault
Code No.
Symptom Probable
C
ause of
M
alfunction
Diagnostic
C
ode
11
No normal signals are received from
the cylinder identification sensor. • Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective cylinder identification sensor.
• Malfunction in ECU.
• Improperly installed sensor.
—
12
No normal signals are received from
the crankshaft position sensor. • Open or short circuit in wiring 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 wiring sub lead.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
03
14
Faulty intake air pressure sensor hose
system; a hose is detached, causing
constant application of the
atmospheric pressure to the sensor;
or, the hose is clogged. • Intake air pressure sensor hose is detached, clogged, kinked, or
pinched.
• Malfunction in ECU. 03
15
Throttle position sensor open or short
circuit detected.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective throttle position sensor.
• Malfunction in ECU.
• Improperly installed throttle position sensor.
01
16
A stuck throttle position sensor is
detected. • Stuck throttle position sensor.
• Malfunction in ECU.
01
20
When the main switch is turned to ON,
the atmospheric sensor voltage and
intake air pressure sensor voltage
differ greatly. • Atmospheric pressure sensor hose is clogged.
• Intake air pressure sensor hose is clogged, kinked, or pinched.
• Malfunction of the atmospheric pressure sensor in the intermediate
electrical potential.
• Malfunction of the intake air pressure sensor in the intermediate
electrical potential.
• Malfunction in ECU.
03
02
21
Coolant temperature sensor open or
short circuit detected.
• Open or short circuit in wiring harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
06
22
Intake temperature sensor open or
short circuit detected.
• Open or short circuit in wiring harness.
• Defective intake temperature sensor.
• Malfunction in ECU.
05
23
Atmospheric pressure sensor open or
short circuit detected.
• Open or short circuit in wiring sub lead.
• Defective atmospheric pressure sensor.
• Malfunction in ECU.
02
30 Oil pressure dropped. • Oil pressure dropped.
33
Open circuit is detected in the primary
lead of the ignition coil (#1). • Open or short circuit in wiring harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-off circuit system.
30
34
Open circuit is detected in the primary
lead of the ignition coil (#2). • Open or short circuit in wiring harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-off circuit system.
31
35
Open circuit is detected in the primary
lead of the ignition coil (#3). • Open or short circuit in wiring harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-off circuit system.
32
36
Open circuit is detected in the primary
lead of the ignition coil (#4). • Open or short circuit in wiring harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-off circuit system.
33
FUEL INJECTION SYSTEM
66