2008 INFINITI FX35 Service Manual

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Page 1553 of 3924

INFINITI FX35 2008 Service Manual
DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE
EC-313
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
NG >> Follow the
EC

Page 1554 of 3924

INFINITI FX35 2008 Service Manual
EC-314
< SERVICE INFORMATION >[VQ35DE]
DTC P0300, P0301,
P0302, P0303, P0304, P0305, P0306 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE
With CONSULT-III
Check mass air flow sensor signa

Page 1555 of 3924

INFINITI FX35 2008 Service Manual
DTC P0327, P0328 KSEC-315
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
DTC P0327, P0328 KS
Component DescriptionINFOID:0000000001326134
The knock sensor (KS) is attached
to the c

Page 1556 of 3924

INFINITI FX35 2008 Service Manual
EC-316
< SERVICE INFORMATION >[VQ35DE]
DTC P0327, P0328 KS
Wiring Diagram
INFOID:0000000001326137
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
D

Page 1557 of 3924

INFINITI FX35 2008 Service Manual
DTC P0327, P0328 KSEC-317
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Diagnosis ProcedureINFOID:0000000001326138
1.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1.

Page 1558 of 3924

INFINITI FX35 2008 Service Manual
EC-318
< SERVICE INFORMATION >[VQ35DE]
DTC P0327, P0328 KS
Loosen and retighten ground screw on the body. Refer to
EC-144, "Ground Inspection".
OK or NG
OK >> GO TO 6.
NG >> Repair or replace ground

Page 1559 of 3924

INFINITI FX35 2008 Service Manual
DTC P0335 CKP SENSOR (POS)EC-319
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
DTC P0335 CKP SENSOR (POS)
Component DescriptionINFOID:0000000001326141
The crankshaft position (CKP)

DTC P0335 CKP SENSOR (POS)EC-319
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
DTC P0335 CKP SENSOR (POS)
Component DescriptionINFOID:0000000001326141
The crankshaft position (CKP) sensor (POS) is located on the oil pan
facing the gear teeth (cogs) of the si
gnal plate. It detects the fluctua-
tion of the engine revolution.
The sensor consists of a permanent magnet and Hall IC.
When the engine is running, the high and low parts of the teeth
cause the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to
change.
Due to the changing magnetic fiel d, the voltage from the sensor
changes.
The ECM receives the voltage signal and detects the fluctuation of
the engine revolution.
ECM receives the signals as shown in the figure.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000001326142
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001326143
DTC Confirmation ProcedureINFOID:0000000001326144
NOTE:
If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm th at battery voltage is more than 10.5V with igni-
tion switch ON.
1. Crank engine for at least 2 seconds and run it for at least 5 seconds at idle speed.
2. Check 1st trip DTC.
PBIB0562E
PBIB2744E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED Run engine and compare CONSULT-III value with the tachometer
indication. Almost the same speed as the tachometer
indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0335
0335 Crankshaft position sen-
sor (POS) circuit The crankshaft position sensor (POS) signal
is not detected by the ECM during the first
few seconds of engine cranking.
The proper pulse signal from the crankshaft position sensor (POS) is not sent to ECM
while the engine is running.
The crankshaft position sensor (POS) signal is not in the normal pattern during engine run-
ning. Harness or connectors
[Crank shaft position sensor (POS) circuit
is open or shorted]
Crankshaft position sensor (POS)
Signal plate
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1560 of 3924

INFINITI FX35 2008 Service Manual
EC-320
< SERVICE INFORMATION >[VQ35DE]
DTC P0335 CKP SENSOR (POS)
3. If 1st trip DTC is detected, go to
EC-321, "Diagnosis Procedure".
Wiring DiagramINFOID:0000000001326145
Specification data are re

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