Yamaha XP500 Service Manual page 454

EAS00906
Fault code table
Fault
Symptom
code No.
No normal signals are received from
the crankshaft position sensor.
12
Intake air pressure sensor-open or
13 short circuit detected.
Faulty intake air pressure sensor
hose system; a hose is detached,
14 causing constant application of the
atmospheric pressure to the sensor;
or, the hose is clogged.
Throttle position sensor-open or short
circuit detected.
15
A stuck throttle position sensor is
16
detected.
Open circuit in the input line from the
sidestand switch to the ECU (engine)
19
is detected when the start switch is
pressed.
Coolant temperature sensor-open or
short circuit detected.
21
Intake air temperature sensor-open or
short circuit detected.
22
No normal signals are received from
the O sensor.
2
24
The scooter has overturned.
30
Open circuit is detected in the primary
lead of the ignition coil.
33
Faulty the FID valve.
37
Lean angle cut-off switch-open or
41 short circuit detected.
Supply power to the fuel injector and
43 fuel pump is not normal.
An error is detected while reading or
44 writing on EEPROM.
FUEL INJECTION SYSTEM
Probable cause of malfunction
• Open or short circuit in wiring harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU (engine).
• Improperly installed sensor.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU (engine).
• Intake air pressure sensor hose is detached, clogged,
kinked, or pinched.
• Malfunction in ECU (engine).
• Open or short circuit in wiring harness.
• Defective throttle position sensor.
• Malfunction in ECU (engine).
• Improperly installed throttle position sensor.
• Stuck throttle position sensor.
• Malfunction in ECU (engine).
• Open circuit in wiring harness.
• Malfunction in ECU (engine).
• Open or short circuit in wiring harness.
• Defective coolant temperature sensor.
• Malfunction in ECU (engine).
• Improperly installed sensor.
• Open or short circuit in wiring harness.
• Defective intake air temperature sensor.
• Malfunction in ECU (engine).
• Improperly installed sensor.
• Open or short circuit in wiring harness.
• Defective O sensor.
2
• Malfunction in ECU (engine).
• Improperly installed sensor.
• Overturned.
• Malfunction in ECU (engine).
• Open circuit in wiring harness.
• Malfunction in ignition coil.
• Malfunction in ECU (engine).
• Malfunction in a component of ignition cut-off circuit sys-
tem.
• Stuck the FID valve (when fully open).
• Malfunction in ECU (engine).
• Open or short circuit in wiring harness.
• Defective lean angle cut-off switch.
• Malfunction in ECU (engine).
• Open circuit in wiring harness. (red/blue line)
• Malfunction in ECU (engine).
• Defective fuel injection system relay.
• Malfunction in ECU (engine). (The CO adjustment value
is not properly written on or read from the internal mem-
ory.)
7 - 9
FI
Diagnostic code
—
03
03
01
01
20
06
05
—
08
30
01
08
09
60