2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1337 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0340 CMP SENSOR (PHASE)
EC-223
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DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionEBS00B62
The camshaft position sensor (PHASE) senses the r

DTC P0340 CMP SENSOR (PHASE)
EC-223
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DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionEBS00B62
The camshaft position sensor (PHASE) senses the retraction with
intake valve camshaft to identify a particular cylinder. The crankshaft
position sensor (POS) 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
thegapwiththesensortochange.
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 Terminals and Reference ValueEBS00B63
Specification data are reference values and are measured between each terminal and body ground.
CAUTION:
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 other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis LogicEBS00B64
PBIB0562E
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
63 L/WCamshaft position
sensor (PHASE)[Engineisrunning]
lWarm-up condition
lIdle speed1.0 - 4.0V
[Engineisrunning]
lEngine speed is 2,000 rpm.1.0 - 4.0V
PBIB0525E
PBIB0526E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340
0340Camshaft position sen-
sor (PHASE) circuit
lThe cylinder No. signal is not sent to ECM
for the first few seconds during engine
cranking.
lThe cylinder No. signal is not set to ECM
during engine running.
lThe cylinder No. signal is not in the normal
pattern during engine running.
lHarness or connectors
(The sensor circuit is open or shorted)
lCamshaft position sensor (PHASE)
lCamshaft (Intake)
lStarter motor (Refer toSC-21.)
lStarting system circuit (Refer toSC-21.)
lDead (Weak) battery

Page 1338 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-224
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DTC P0340 CMP SENSOR (PHASE)
DTC Confirmation Procedure
EBS00B65
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF

Page 1339 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0340 CMP SENSOR (PHASE)
EC-225
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Wiring DiagramEBS00B66
TBWA0066E

Page 1340 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-226
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DTC P0340 CMP SENSOR (PHASE)
Diagnostic Procedure
EBS00B67
1.CHECK STARTING SYSTEM
Turn ignition switch to “START” position.
Ye s o r N o
Yes >>GOTO2.
No >> Check start

Page 1341 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0340 CMP SENSOR (PHASE)
EC-227
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4.DETECT MALFUNCTIONING PART
Check the following.
lHarness for open or short between ECM and camshaft position sensor

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-228
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DTC P0340 CMP SENSOR (PHASE)
9.CHECK INTERMITTENT INCIDENT
Refer toEC-107, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
>>INSPECTION END
Component InspectionEBS00B68
CAM

Page 1343 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0420 THREE WAY CATALYST FUNCTION
EC-229
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DTC P0420 THREE WAY CATALYST FUNCTIONPFP:20905
On Board Diagnosis LogicEBS00B6A
The ECM monitors the switchi

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-230
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DTC P0420 THREE WAY CATALYST FUNCTION
6. Rev engine up to 2,000 to 3,000 rpm and maintain it until
“INCMP” of "CATALYST" changes to “CMPLT” (It will take
approximat

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