Self-Diagnostic Function And Diagnostic Code Table; Self-Diagnostic Function Table (For Fuel Injection System) - Yamaha XSR MTM690 2016 Service Manual

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE

EAS20116
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
EAS31794

SELF-DIAGNOSTIC FUNCTION TABLE (FOR FUEL INJECTION SYSTEM)

TIP
For details of the fault code, refer to "TROUBLESHOOTING METHOD" on page 8-35.
Fault code
No.
P0030 O sensor heater (de-
2
fective heater control-
ler detected)
P0107 [P0107] Intake air
P0108 pressure sensor
(ground short circuit
detected)
[P0108] Intake air
pressure sensor
(open or power short
circuit detected)
Probable cause of
Item
malfunction
• Open or short cir-
cuit in wire harness.
• Disconnected cou-
pler.
• Defective O
heater controller.
• Broken or discon-
nected lead in O
sensor heater.
[P0107] Low voltage
of the intake air pres-
sure sensor circuit
(0.2 V or less)
[P0108] High voltage
of the intake air pres-
sure sensor circuit
(4.8 V or more)
• Defective coupler
between intake air
pressure sensor and
ECU.
• Open or short cir-
cuit in wire harness
between intake air
pressure sensor and
ECU.
• Defective intake air
pressure sensor.
• Malfunction in ECU.
Vehicle symptom
(When the O
does not operate be-
cause the exhaust
temperature is low)
sensor
Increased exhaust
2
emissions.
Fuel learning cannot
be carried out.
2
Engine idling speed is
high.
Engine idling speed is
unstable.
Engine response is
poor.
Loss of engine power.
Increased exhaust
emissions.
9-5
Fail-safe system op-
eration
sensor Display only (If the O
2
sensor does not oper-
ate, O feedback is
2
not carried out.)
Intake air pressure
difference is fixed to 0
[kPa].
α–N is fixed.
Fuel is not cut off due
to the intake air pres-
sure difference.
Intake air pressure is
fixed to 101.3 [kPa].
O feedback is not
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
2