2003 NISSAN X-TRAIL Service Repair Manual

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Page 625 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0335 CKP SENSOR (POS)
EC-247
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DTC P0335 CKP SENSOR (POS)PFP:23731
Component DescriptionEBS010PT
The crankshaft position sensor (POS) is located on

DTC P0335 CKP SENSOR (POS)
EC-247
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DTC P0335 CKP SENSOR (POS)PFP:23731
Component DescriptionEBS010PT
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.
CONSULT-II Reference Value in Data Monitor ModeEBS010PU
Specification data are reference values.
On Board Diagnosis LogicEBS010PV
DTC Confirmation ProcedureEBS010PW
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
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Crank engine for at least 2 seconds and run it for at least 5 sec-
onds at idle speed.
3. If 1st trip DTC is detected, go to EC-250, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
PBIB0562E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED
Run engine and compare CONSULT-II value with the tachometer indica-
tion.Almost the same speed as the
tachometer indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0335
0335Crankshaft position
sensor (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
(The sensor circuit is open or
shorted.)
Crankshaft position sensor (POS)
Signal plate
SEF058Y

Page 626 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-248
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DTC P0335 CKP SENSOR (POS)

Wiring DiagramEBS010PX
TBWA0607E

Page 627 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0335 CKP SENSOR (POS)
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Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured b

Page 628 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-250
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DTC P0335 CKP SENSOR (POS)

Diagnostic ProcedureEBS010PY
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground three screws on the body.

Page 629 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0335 CKP SENSOR (POS)
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2. CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT
1. Disconnect crankshaft position (CKP) sensor (

Page 630 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-252
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DTC P0335 CKP SENSOR (POS)

5. CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between CKP sensor (POS) terminal 2 and ECM termi

Page 631 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0335 CKP SENSOR (POS)
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5. Check resistance as shown in the figure.
6. If NG, replace crankshaft position sensor (POS).
Removal and Installat

Page 632 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-254
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DTC P0340 CMP SENSOR (PHASE)

DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionEBS010Q1
The camshaft position sensor (PHASE) senses the retraction of
intake valv

EC-254
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DTC P0340 CMP SENSOR (PHASE)

DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionEBS010Q1
The camshaft position sensor (PHASE) senses the retraction of
intake valve camshaft to identify a particular cylinder. The camshaft
position sensor (PHASE) senses the piston position.
When the crankshaft position sensor (POS) system becomes inoper-
ative, the camshaft position sensor (PHASE) provides various con-
trols of engine parts instead, utilizing timing of cylinder identification
signals.
The sensor consists of a permanent magnet and Hall IC.
When 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.
On Board Diagnosis LogicEBS010Q2
DTC Confirmation ProcedureEBS010Q3
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
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Crank engine for at least 2 seconds and run it for at least 5 sec-
onds at idle speed.
4. If 1st trip DTC is detected, go to EC-256, "
Diagnostic Procedure"
.
If 1st trip DTC is not detected, go to next step.
5. Maintain engine speed at more than 800 rpm for at least 5 sec-
onds.
6. If 1st trip DTC is detected, go to EC-256, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
PBIB0562E
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
during engine running.
The cylinder No. signal is not in the normal
pattern during engine running.
Harness or connectors
(The sensor circuit is open or shorted.)
Camshaft position sensor (PHASE)
Camshaft (Intake)
Starter motor (Refer to SC-21 .)
Starting system circuit (Refer to SC-21 .)
Dead (Weak) battery
SEF058Y

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