2008 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2008 Service Repair Manual DTC P0335 CKP SENSOR (POS)
EC-295
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DTC P0335 CKP SENSOR (POS)
Component DescriptionINFOID:0000000001702800
The crankshaft position sensor (POS) i

DTC P0335 CKP SENSOR (POS)
EC-295
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DTC P0335 CKP SENSOR (POS)
Component DescriptionINFOID:0000000001702800
The crankshaft position sensor (POS) is located on the cylinder
block rear housing facing the gear teeth (cogs) of the signal plate at
the end of the crankshaft. It detects the fluctuation of the engine rev-
olution. 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 field, 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-II Reference Value in Data Monitor ModeINFOID:0000000001702801
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001702802
DTC Confirmation ProcedureINFOID:0000000001702803
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
PBIA9209J
PBIB2382E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED• Run engine and compare CONSULT-II value with the tachometer indica-
tion.Almost the same speed as the ta-
chometer indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0335
0335Crankshaft 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 running.• Harness or connectors
[Crankshaft position sensor (POS)
circuit is open or shorted.]
(Accelerator pedal position sensor
circuit is shorted.)
(Refrigerant pressure sensor circuit
is shorted.)
(EVAP control system pressure
sensor circuit is shorted.)
• Crankshaft position sensor (POS)
• Accelerator pedal position sensor
• Refrigerant pressure sensor
• EVAP control system pressure sen-
sor
• Signal plate

Page 1370 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-296
< SERVICE INFORMATION >
DTC P0335 CKP SENSOR (POS)
Before performing the following procedure, confirm that battery voltage is more than 10.5V with igni-
tion switch ON.
WITH CONSULT-II
1. Turn

Page 1371 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0335 CKP SENSOR (POS)
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Wiring DiagramINFOID:0000000001702804
Specification data are reference values and are measured between each te

Page 1372 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-298
< SERVICE INFORMATION >
DTC P0335 CKP SENSOR (POS)
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground

Page 1373 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0335 CKP SENSOR (POS)
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OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
2.CHECK CRANKSHAFT POSITION (CKP) SENSOR (

Page 1374 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-300
< SERVICE INFORMATION >
DTC P0335 CKP SENSOR (POS)
Check the following.
• Refrigerant pressure sensor. (Refer to MTC-22
.)
• EVAP control system pressure sensor. (Refer to EC-361, "
Com

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NISSAN LATIO 2008 Service Repair Manual DTC P0335 CKP SENSOR (POS)
EC-301
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Refer to EC-136.
>>INSPECTION END
Component InspectionINFOID:0000000001702806
CRANKSHAFT POSITION SENSOR (POS)

Page 1376 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-302
< SERVICE INFORMATION >
DTC P0340 CMP SENSOR (PHASE)
DTC P0340 CMP SENSOR (PHASE)
Component DescriptionINFOID:0000000001702808
The camshaft position sensor (PHASE) senses the protrusion of
cams

EC-302
< SERVICE INFORMATION >
DTC P0340 CMP SENSOR (PHASE)
DTC P0340 CMP SENSOR (PHASE)
Component DescriptionINFOID:0000000001702808
The camshaft position sensor (PHASE) senses the protrusion of
camshaft (INT) to identify a particular cylinder. The camshaft position
sensor (PHASE) senses the piston position. When the crankshaft
position sensor (POS) system becomes inoperative, the camshaft
position sensor (PHASE) provides various controls of engine parts
instead, utilizing timing of cylinder identification signals. The sensor
consists of a permanent magnet and Hall IC. When engine is run-
ning, the high and low parts of the teeth cause the gap with the sen-
sor to change. The changing gap causes the magnetic field near the
sensor to change. Due to the changing magnetic field, the voltage
from the sensor changes.
ECM receives the signals as shown in the figure.
CONSULT-II Reference Value in Data Monitor ModeINFOID:0000000001702809
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001702810
NOTE:
If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-400
.
DTC Confirmation ProcedureINFOID:0000000001702811
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V with igni-
tion switch ON.
WITH CONSULT-II
PBIA9875J
PBIB2382E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED• Run engine and compare CONSULT-II value with the tachometer indica-
tion.Almost the same speed as the ta-
chometer indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340
0340Camshaft position sensor
(PHASE) circuit• The cylinder No. signal is not sent to ECM for
the first few seconds during engine cranking.
• The cylinder No. signal is not set to ECM dur-
ing engine running.
• The cylinder No. signal is not in the normal
pattern during engine running.• Harness or connectors
[Camshaft position sensor (PHASE) cir-
cuit is open or shorted.]
• Camshaft position sensor (PHASE)
• Camshaft (INT)
• Starter motor (Refer to SC-8
.)
• Starting system circuit (Refer to SC-8
)
• Dead (Weak) battery

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