Yamaha YZF-R1 Series Service Manual page 539

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0132 O sensor 1: short cir-
2
cuit detected (power
short circuit).
P0152 O sensor 2: short cir-
2
cuit detected (power
short circuit).
P0201 [P0201] Primary injec-
P0202 tor #1: malfunction in
P0203 primary injector #1.
P0204 [P0202] Primary injec-
tor #2: malfunction in
primary injector #2.
[P0203] Primary injec-
tor #3: malfunction in
primary injector #3.
[P0204] Primary injec-
tor #4: malfunction in
primary injector #4.
Probable cause of
malfunction
[P0132] High voltage Increased exhaust
of the O sensor 1 cir- emissions.
2
cuit (4.8 V or more)
• Improperly installed
O sensor 1.
2
• Defective coupler
between O sensor
2
1 and ECU.
• Open or short cir-
cuit in wire harness
between O sensor
2
1 and ECU.
• Incorrect fuel pres-
sure.
• Defective O sensor
2
1.
• Malfunction in ECU.
[P0152] High voltage Increased exhaust
of the O sensor 2 cir- emissions.
2
cuit (4.8 V or more)
• Improperly installed
O sensor 2.
2
• Defective coupler
between O sensor
2
2 and ECU.
• Open or short cir-
cuit in wire harness
between O sensor
2
2 and ECU.
• Incorrect fuel pres-
sure.
• Defective O sensor
2
2.
• Malfunction in ECU.
• Defective coupler Loss of engine power.
between primary in- Engine is difficult to
start.
jector and ECU.
• Open or short cir- Engine cannot be
cuit in wire harness started.
between primary in- Engine stops.
jector and ECU. Engine idling speed is
• Defective primary in- unstable.
jector. Increased exhaust
• Malfunction in ECU. emissions.
• Improperly installed
primary injector.
9-42
Fail-safe system op-
Vehicle symptom
O
2
carried out.
O
2
is not carried out.
Air induction system
solenoid is turned on
all the time (air induc-
tion system air cut
off).
QSS is not carried
out.
O
2
carried out.
O
2
is not carried out.
Air induction system
solenoid is turned on
all the time (air induc-
tion system air cut
off).
QSS is not carried
out.
O
2
carried out.
Air induction system
solenoid is turned on
all the time (air induc-
tion system air cut
off).
ISC feedback is not
carried out.
ISC learning is not
carried out.
Injection to the appli-
cable cylinder group
(cylinders #1 and #2
or cylinders #3 and
#4) is cut off.
QSS is not carried
out.
eration
feedback is not
feedback learning
feedback is not
feedback learning
feedback is not