Nissan Primera P12. Instruction — part 215
TROUBLE DIAGNOSIS
EC-45
[YD (WITH EURO-OBD)]
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1.
INSPECTION START
1.
Check service records for any recent repairs that may indicate a related incident.
2.
Check the current need for scheduled maintenance, especially for fuel filter and air cleaner filter. Refer to
.
3.
Open engine hood and check the following:
–
Harness connectors for improper connections
–
Vacuum hoses for splits, kinks, or improper connections
–
Wiring for improper connections, pinches, or cuts
4.
Start engine and warm it up to the normal operating tempera-
ture.
>> GO TO 2.
2.
PREPARATION FOR CHECKING IDLE SPEED
With CONSULT-II
Connect CONSULT-II to the data link connector.
>> GO TO 3.
3.
CHECK IDLE SPEED
With CONSULT-II
1.
Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
2.
Read idle speed.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
4.
CHECK FOR INTAKE AIR LEAK
Listen for an intake air leak after the mass air flow sensor.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace.
SEF142I
725
±
25 rpm
SEF817Y
EC-46
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
5.
BLEED AIR FROM FUEL SYSTEM
1.
Stop engine.
2.
Use priming pump to bleed air from fuel system. Refer to
.
>> GO TO 6.
6.
CHECK IDLE SPEED AGAIN
With CONSULT-II
1.
Start engine and let it idle.
2.
Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3.
Read idle speed.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 7.
7.
DRAIN WATER FROM FUEL FILTER
Drain water from fuel filter. Refer to
.
>> GO TO 8.
8.
CHECK IDLE SPEED AGAIN
With CONSULT-II
1.
Start engine and let it idle.
2.
Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3.
Read idle speed.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 9.
9.
CHECK AIR CLEANER FILTER
Check air cleaner filter for clogging or breaks.
OK or NG
OK
>> GO TO 10.
NG
>> Replace air cleaner filter.
725
±
25 rpm
SEF817Y
725
±
25 rpm
SEF817Y
TROUBLE DIAGNOSIS
EC-47
[YD (WITH EURO-OBD)]
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EC
10.
CHECK BATTERY VOLTAGE
Check battery voltage.
OK or NG
OK
>> GO TO 12.
NG
>> GO TO 11.
11.
CHECK BATTERY
Refer to
.
OK or NG
OK
>> Check charging system. Refer to
.
NG
>> Repair or replace.
12.
CHECK COMPRESSION PRESSURE
Check compression pressure. Refer to
EM-78, "CHECKING COMPRESSION PRESSURE"
.
OK or NG
OK
>> GO TO 11.
NG
>> Follow the instruction of “CHECKING COMPRESSION PRESSURE”.
13.
CHECK IDLE SPEED AGAIN
With CONSULT-II
1.
Start engine and let it idle.
2.
Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3.
Read idle speed.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Replace fuel injector.
2. GO TO 3.
Voltage:
More than 12.13V
725
±
25 rpm
SEF817Y
EC-48
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Symptom Matrix Chart
EBS013JM
SYSTEM — Basic engine control system
SYMPTOM
Reference
page
HARD/NO
ST
AR
T/REST
AR
T
(EXCP
.
HA)
ENGINE
S
T
A
L
L
HESI
T
A
TION/
S
URGING/
FL
A
T
SPOT
KNO
C
K
/DET
O
NA
TI
ON
LAC
K
O
F
PO
W
E
R
POO
R
ACCEL
E
RA
TION
HI
ID
L
E
LO
W
ID
L
E
NO
ST
AR
T
(wit
h
fi
rs
t
fir
in
g
)
NO
ST
AR
T
(wit
h
o
u
t
fi
rs
t
fir
in
g
)
HARD
T
O
S
T
A
R
T
W
HEN
E
NGINE
IS
C
OL
D
HARD
T
O
S
T
A
R
T
W
HEN
E
NGINE
IS
H
OT
AT
ID
L
E
DU
RING
D
R
IVING
W
H
EN
DECEL
E
RA
TING
Warranty symptom code
AA
AB
AC
AD
AE
AF
Fuel pump
5
5
5
5
5
5
5
5
5
5
5
—
Fuel injector
3
3
3
3
3
3
3
3
3
4
4
3
3
Glow control system
1
1
1
1
1
Engine body
3
3
3
3
3
3
3
3
4
4
3
EGR system
3
3
Air cleaner and duct
3
3
Fuel rail pressure relief valve
ENGI
NE
CONTROL
Fuel pump circuit
4
4
4
4
4
4
4
4
4
4
4
Fuel injector circuit
1
1
1
1
1
1
1
1
1
1
1
1
1
Mass air flow sensor circuit
1
1
1
Engine coolant temperature circuit
1
1
1
1
Vehicle speed signal circuit
1
Accelerator pedal position sensor circuit
1
1
1
Fuel rail pressure sensor circuit
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