sensor NISSAN TEANA 2014 Service Manual

EC-322
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0300, P0301,
P0302, P0303, P0304 MISFIRE
13.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
*1: Except for California
*2: For California
5. Check the continuity between A/F sensor 1 harness connector or ECM harness connector and ground.
*1: Except for California
*2: For California
6. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 14.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
14.CHECK A/F SENSOR 1 HEATER
Check the A/F sensor 1 heater. Refer to EC-216, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 15.
NO >> Replace A/F sensor 1. Refer to EM-33, "Exploded View"
.
15.CHECK MASS AIR FLOW SENSOR
With CONSULT
Check “MASS AIRFLOW” in “DATA MONITO R” mode of “ENGINE” using CONSULT.
With GST
Check mass air flow sensor signal in Service $01 with GST.
Is the measurement value within the specification?
+ −
Continuity
A/F sensor 1 ECM
Connector Terminal Connector Terminal
F24 1 F14
*1
F91*241 Existed
+ −Continuity
A/F sensor 1
Connector Terminal F24 1 Ground Not existed
+ −Continuity
ECM
Connector Terminal
F14
*1
F91*241 Ground Not existed
1.0 - 4.0 g/s : at idling
2.0 - 10.0 g/s : at 2,500 rpm
1.0 - 4.0 g/s : at idling
2.0 - 10.0 g/s : at 2,500 rpm
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0300, P0301, P0302, P0303, P0304 MISFIRE
EC-323
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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YES >> GO TO 16.
NO >> Check connectors for rusted terminals or loose c onnections in the mass air flow sensor circuit or
ground. Refer to EC-232, "DTC Logic"
.
16.CHECK SYMPTOM TABLE
Check items on the rough idle symptom in EC-527, "Symptom Table"
.
Is the inspection result normal?
YES >> GO TO 17.
NO >> Repair or replace error-detected parts.
17.ERASE THE 1ST TRIP DTC
Some tests may cause a 1st trip DTC to be set.
Erase the 1st trip DTC from the ECM memory after performing the tests. Refer to EC-66, "Diagnosis Descrip-
tion".
>> GO TO 18.
18.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> INSPECTION END
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-324
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0327, P0328 KS
P0327, P0328 KS
DTC LogicINFOID:0000000009462257
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and run it for at least 5 seconds at idle speed.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-324, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462258
1.CHECK KNOCK SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect knock sensor harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between knock sens or harness connector and ECM harness connector.
*1: Except for California
*2: For California
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detected condition Possible cause
P0327 KNOCK SEN/CIRC-B1
(Knock sensor 1 circuit low
bank 1 or single sensor) An excessively low voltage from the knock sen-
sor is sent to ECM. • Harness or connectors
(Knock sensor circuit is open or
shorted.)
• Knock sensor
P0328 KNOCK SEN/CIRC-B1
(Knock sensor 1 circuit high
bank 1 or single sensor) An excessively high voltage from the knock
sensor is sent to ECM.
+ −
Continuity
Knock sensor ECM
Connector Terminal Connector Terminal
F45 2 F14
*1
F91*28 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0327, P0328 KSEC-325
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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1. Check the continuity between knock sensor harness connector and ECM harness connector.
*1: Except for California
*2: For California
2. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK KNOCK SENSOR
Check the knock sensor. Refer to EC-325, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace knock sensor. Refer to EM-87, "Exploded View"
.
Component InspectionINFOID:0000000009462259
1.CHECK KNOCK SENSOR
1. Turn ignition switch OFF.
2. Disconnect knock sensor harness connector.
3. Check resistance between knock sensor terminals as per the following. NOTE:
It is necessary to use an ohmmeter which can measure more than 10 M Ω.
CAUTION:
Do not use any knock sensors th at have been dropped or physically damaged. Use only new ones.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace knock sensor. Refer to EM-87, "Exploded View"
.
+−
Continuity
Knock sensor ECM
Connector Terminal Connector Terminal
F45 1 F14
*1
F91*24 Existed
Knock sensor
Resistance
+-
Te r m i n a l s
1 2 Approx. 532 - 588 k Ω [at 20 °C (68 °F)]
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-326
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0335 CKP SENSOR (POS)
P0335 CKP SENSOR (POS)
DTC LogicINFOID:0000000009462260
DTC DETECTION LOGIC
NOTE:
If DTC P0335 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-407, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5 V with igni-
tion switch ON.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for at least 5 seconds. If engine does not start, crank engine for at least 2 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-326, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462261
1.CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY
1. Disconnect crankshaft position (CKP ) sensor (POS) harness connector.
2. Turn ignition switch ON.
3. Check the voltage between CKP sensor (POS) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0335 CKP SEN/CIRCUIT
(Crankshaft position sensor
″ A ″ 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
[Crankshaft position sensor (POS) cir-
cuit is open or shorted.]
• Crankshaft position sensor (POS)
• Signal plate
• Sensor power supply 2 circuit
+
−Voltag e
(Approx.)
CKP sensor (POS)
Connector Terminal F30 1 Ground 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0335 CKP SENSOR (POS)EC-327
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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2.CHECK CKP SENSOR (POS) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
*1: Except for California
*2: For California
4. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT
1. Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
*1: Except for California
*2: For California
2. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK CRANKSHAFT POSI TION SENSOR (POS)
Check the crankshaft position sensor (POS). Refer to EC-328, "Component Inspection (Crankshaft Position
sensor)".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace crankshaft position sensor (POS). Refer to EM-87, "Exploded View"
.
5.CHECK GEAR TOOTH
1. Remove crankshaft position sensor (POS). Refer to EM-87, "Exploded View"
.
2. Look into the mounting hole of the crankshaft position sensor (POS) to check that there is no missing gear tooth in the signal
plate .
+ −
Continuity
CKP sensor (POS) ECM
Connector Terminal Connector Terminal
F30 2 F13
*1
F90*270 Existed
+
−
Continuity
CKP sensor (POS) ECM
Connector Terminal Connector Terminal
F30 3 F13
*1
F90*271 Existed
JPBIA4623ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-328
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0335 CKP SENSOR (POS)
Is the inspection result normal?
YES >> Check intermittent incident. Refer to
GI-43, "Intermittent Incident".
NO >> Replace the signal plate. Refer to EM-87, "Exploded View"
.
Component Inspection (Crankshaft Position sensor)INFOID:0000000009462262
1.CHECK CRANKSHAFT POSI TION SENSOR (POS)-1
1. Turn ignition switch OFF.
2. Loosen the fixing bolt of the sensor.
3. Disconnect crankshaft position sensor (POS) harness connector.
4. Remove the sensor.
5. Visually check the sensor for chipping.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace crankshaft position sensor (POS). Refer to EM-
87, "Exploded View".
2.CHECK CRANKSHAFT POSITION SENSOR (POS)-2
Check the resistance between crankshaft position s ensor (POS) terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace crankshaft position sensor (POS). Refer to EM-87, "Exploded View"
.
PBIA9209J
Crankshaft position sensor (POS)
Resistance [at 25°C (77 °F)]
+ −
Terminal (Polarity)
1 2
Except 0 or ∞ Ω
3
23
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0340 CMP SENSOR (PHASE)EC-329
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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P0340 CMP SENSOR (PHASE)
DTC LogicINFOID:0000000009462263
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the follo wing procedure, confirm that battery vo ltage is more than 10.5 V with igni-
tion switch ON.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-1
1. Start engine and let it idle for at least 5 seconds. If engine does not start, crank engine for at least 2 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-329, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-2
1. Maintaining engine speed at more than 800 rpm for at least 5 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-329, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462264
1.CHECK STARTING SYSTEM
Turn ignition switch to START position.
Does the engine turn over? Does the starter motor operate?
YES >> GO TO 2.
NO >> Check starting system (Refer to STR-12, "Work Flow (With GR8-1200 NI)"
or STR-16, "Work Flow
(Without GR8-1200 NI)".).
2.CHECK CAMSHAFT POSITION (CMP ) SENSOR (PHASE) POWER SUPPLY
1. Turn ignition switch OFF.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0340 CMP SEN/CIRC-B1
(Camshaft position sensor
″ A ″ circuit bank 1 or single
sensor) • The cylinder No. signal is not sent to ECM
for the first few seconds during engine
cranking.
• The cylinder No. signal is not sent to ECM during engine running.
• The cylinder No. signal is not in the nor- mal pattern during engine running. • Harness or connectors
(Camshaft position sensor circuit is open
or shorted)
• Camshaft position sensor
• Camshaft (Intake)
•Starter motor
• Starting system circuit
• Dead (Weak) battery
• Sensor power supply 2 circuit
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-330
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0340 CMP SENSOR (PHASE)
2. Disconnect camshaft position (CMP)
sensor (PHASE) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between CMP sensor (PHASE) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform EC-525, "Diagnosis Procedure"
.
Is inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
4.CHECK CMP SENSOR (PHASE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.
*1: Except for California
*2: For California
4. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.
*1: Except for California
*2: For California
3. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
6.CHECK CAMSHAFT POSITION SENSOR (PHASE)
+
−Voltag e
(Approx.)
CMP sensor (PHASE)
Connector Terminal F55 1 Ground 5 V
+ −
Continuity
CMP sensor (PHASE) ECM
Connector Terminal Connector Terminal
F55 2 F14
*1
F91*230 Existed
+
−
Continuity
CMP sensor (PHASE) ECM
Connector Terminal Connector Terminal
F55 3 F14
*1
F91*231 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0340 CMP SENSOR (PHASE)EC-331
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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Check the camshaft position sensor (PHASE). Refer to
EC-331, "Component Inspection (Camshaft position
sensor)".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace camshaft position sensor (PHASE). Refer to EM-47, "Removal and Installation"
.
7.CHECK CAMSHAFT (INT)
Check the following.
• Accumulation of debris to the signal plate of camshaft rear end
• Chipping signal plate of camshaft rear end
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent
Incident".
NO >> Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to EM-47, "Removal
and Installation".
Component Inspection (Camshaft position sensor)INFOID:0000000009462265
1.CHECK CAMSHAFT POSITI ON SENSOR (PHASE)-1
1. Turn ignition switch OFF.
2. Loosen the fixing bolt of the sensor.
3. Disconnect camshaft position s ensor (PHASE) harness connector.
4. Remove the sensor.
5. Visually check the sensor for chipping.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace camshaft position sensor (PHASE).
2.CHECK CAMSHAFT POSITI ON SENSOR (PHASE)-2
Check the resistance camshaft position sens or (PHASE) terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace camshaft position sensor (PHASE). Refer to EM-47, "Removal and Installation"
.
JPBIA5855ZZ
PBIA9876J
Camshaft position sensor (PHASE)
Resistance [Ω at 25 °C (77 °F)]
+ −
Terminals (Polarity)
1 2
Except 0 or ∞
3
23
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM