exhaust NISSAN NOTE 2016 Service Repair Manual

EC-356
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0643 SENSOR POWER SUPPLY
P0643 SENSOR POWER SUPPLY
DTC LogicINFOID:0000000012431554
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 let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES >> Go to EC-356, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431555
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-44, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
DTC No. Trouble diagnosis content DTC detecting condition Possible cause
P0643 Sensor power supply circuit
short ECM detects a voltage of power
source for sensor is excessively low
or high. • Harness or connectors
(Accelerator pedal position 1 circuit is shorted.)
(Throttle position sensor 1 circuit is shorted.)
(Camshaft position sensor circuit is shorted.)
(Exhaust valve timing control position sensor cir-
cuit is shorted.)
(Engine oil pressure sensor circuit is shorted.)
• Accelerator pedal position sensor
• Throttle position sensor
• Camshaft position sensor
• Exhaust valve timing control position sensor
• Engine oil pressure sensor
Revision: August 2015 2016 Versa Note

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P0643 SENSOR POWER SUPPLYEC-357
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 3.
3.CHECK SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair short to ground or short to power in harness or connectors.
4.CHECK COMPONENTS
Check the following.
• Throttle position sensor 1 (Refer to EC-268, "
Component Inspection".)
• Engine oil pressure sensor (Refer to EC-340, "
Component Inspection".)
• Camshaft position sensor (Refer to EC-284, "
Component Inspection".)
• Exhaust valve timing control position sensor (Refer to EC-284, "
Component Inspection".)
• Accelerator pedal position sensor 1 (Refer to EC-414, "
Component Inspection".)
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace malfunctioning component.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "
Intermittent Incident".
>> INSPECTION END
ECM GroundVo l ta g e
(Approx.)
Connector Terminal
F11 72
Ground 5 V
74
78
E16 106
ECM Sensor
Connector Terminal ItemConnector Terminal
F11 72 Throttle position sensor 1
F7 2
74 Engine oil pressure sensor F38 1
78 Camshaft position sensor
F21
1
Exhaust valve timing control posi-
tion sensor F56
E16 106 Accelerator pedal position sensor 1 E12 4
Revision: August 2015 2016 Versa Note

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P1078 EVT CONTROL POSITION SENSOREC-361
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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P1078 EVT CONTROL POSITION SENSOR
DTC LogicINFOID:0000000012431560
DTC DETECTION LOGIC
NOTE:
If DTC P0340 is displayed with DTC P0643, first pe
rform the trouble diagnosis for DTC P0643. Refer to
EC-356, "
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 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. Start engine and let it idle for 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-282, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431561
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-44, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR POWER SUPPLY CIRCUIT
1. Disconnect exhaust valve timing control position sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between exhaust valve timing c ontrol position sensor harness connector and ground.
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P1078 EXH TIM SEN/CIRC-B1
(Exhaust valve timing con-
trol position sensor) An excessively high or low
voltage from the sensor is
sent to ECM. • Harness or connectors
(Exhaust valve timing control position sensor circuit is open
or shorted)
• Accumulation of debris to the signal pick-up portion of the camshaft
• Exhaust valve timing control position sensor
Exhaust valve timing control posi-
tion sensor GroundVoltage
Connector Terminal
F56 1Ground Approx. 5 V
Revision: August 2015 2016 Versa Note

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EC-362
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P1078 EVT CONTROL POSITION SENSOR
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 EXHAUST VALVE TIMING
CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connectors.
3. Check the continuity between exhaust valve timing control position sensor harness connector and ECM
harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT
1. Check the continuity between exhaust valve timing control position sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR
Refer to EC-363, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace exhaust valve timing control position sensor. Refer to EM-48, "
Exploded View".
6.CHECK CAMSHAFT (EXT)
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 >> GO TO 7.
NO >> Remove debris and clean the signal plate of camshaft
rear end or replace camshaft. Refer to EM-60, "
Removal
and Installation".
7.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "
Intermittent Incident".
Exhaust valve timing control
position sensor ECM
Continuity
Connector Terminal Connector Terminal
F56 2F11 63 Existed
Exhaust valve timing control
position sensor ECM
Continuity
Connector Terminal Connector Terminal
F56 3F11 48 Existed
JSBIA0600ZZ
Revision: August 2015 2016 Versa Note

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P1078 EVT CONTROL POSITION SENSOREC-363
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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>> INSPECTION END
Component InspectionINFOID:0000000012431562
1.EXHAUST VALVE TIMING (EVT)
CONTROL POSITION SENSOR-I
1. Turn ignition switch OFF.
2. Disconnect EVT control posit ion sensor harness connector.
3. Loosen the fixing bolt of the sensor.
4. Remove the sensor. Refer to EM-48, "
Exploded View".
5. Visually check the sensor for chipping.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace camshaft position sensor. Refer to EM-48,
"Exploded View".
2.CHECK CAMSHAFT POSITION SENSOR-II
Check resistance camshaft position sensor terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace camshaft position sensor. Refer to EM-48, "
Exploded View".
PBIA9210J
Terminals (Polarity) Resistance [at 25°C (77 °F)]
1 (+) - 2 (-) Except 0 or ∞ Ω
1 (+) - 3 (-)
2 (+) - 3 (-)
Revision: August 2015 2016 Versa Note

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EC-398
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P2096, P2097 A/F SENSOR 1
P2096, P2097 A/F SENSOR 1
DTC LogicINFOID:0000000012431611
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 least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Clear the mixture ratio self-learning value. Refer to EC-132, "
Description".
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.
4. Let engine idle for 1 minute.
5. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-398, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431612
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-44, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen sensor 2. Refer to EM-31, "
Removal and Installa-
tion".
>> GO TO 3.
3.CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible Cause
P2096 POST CAT FUEL TRIM SYS
B1
(Post catalyst fuel trim system
too lean bank 1) The output voltage computed by ECM from the A/
F sensor 1 signal is shifts to the lean side for a
specified period.
• A/F sensor 1
• A/F sensor 1 heater
• Heated oxygen sensor 2
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2097 POST CAT FUEL TRIM SYS
B1
(Post catalyst fuel trim system
too rich bank 1) The A/F signal computed by ECM from the A/F
sensor 1 signal is shifts to the rich side for a spec-
ified period.
Revision: August 2015
2016 Versa Note

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P2096, P2097 A/F SENSOR 1EC-399
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2. Listen for an exhaust gas leak before the three way catalyst 2.
Is exhaust gas detected?
YES >> Repair or replace.
NO >> GO TO 4.
4.CHECK FOR INTAKE AIR LEAK
1. Start engine and run it at idle.
2. Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES >> Repair or replace.
NO >> GO TO 5.
5.CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE
1. Clear the mixture ratio self-learning value. Refer to EC-132, "
Description".
2. Run engine for at least 10 minutes at idle speed.
Is the 1st trip DTC P0171 or P0172 detected? Is it difficult to start engine?
YES >> Perform trouble diagnosis for DTC P0171or P0172. Refer to EC-248, "DTC Logic" or EC-252,
"DTC Logic".
NO >> GO TO 6.
6.CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Check harness connector for water.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace harness connector.
7.CHECK A/F SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check the voltage between A/F sensor 1 harness connector and ground.
Is the inspection result normal?
YES >> GO TO 9.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R harness connector F42
• 20A fuse (No. 53)
• Harness for open or short between A/F sensor 1 and fuse
>> Repair or replace harness or connectors.
9.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
Water should not exit.
A/F sensor 1
Ground Voltage
Connector Terminal
F12 4 Ground Battery voltage
Revision: August 2015 2016 Versa Note

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EC-400
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P2096, P2097 A/F SENSOR 1
4. Check the continuity between ECM harness connec
tor or A/F sensor 1 harness connector and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK A/F SENSOR 1 HEATER
Refer to EC-175, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 11.
NO >> GO TO 13.
11 .CHECK HEATED OXYGEN SENSOR 2
Refer to EC-226, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 12.
NO >> Replace heated oxygen sensor 2. Refer to EX-5, "
Exploded View".
12.CHECK INTERMITTENT INCIDENT
Perform GI-42, "
Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 13.
NO >> Repair or replace.
13.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace air fuel ratio (A/F) sensor 1. Refer to EM-31, "
Removal and Installation".
CAUTION:
• Discard any sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard
surface such as a concrete floor; use a new one.
• Before installing new sensor, cl ean exhaust system threads using oxygen sensor thread cleaner tool
[commercial service tool: (J-43897-18) or (J-43897-12)] and approved anti-seize lubricant (commer-
cial service tool).
Do you have CONSULT?
YES >> GO TO 14.
NO >> GO TO 15.
14.CONFIRM A/F ADJUSTMENT DATA
With CONSULT
1. Turn ignition switch ON.
2. Select “A/F ADJ-B1” in “D ATA MONITOR” mode with CONSULT.
3. Make sure that “0.000” is displayed on CONSULT screen.
Is
“0.000” displayed?
YES >> INSPECTION END
NO >> GO TO 15.
A/F sensor 1 ECM
Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Existed
25 3
A/F sensor 1 ECM
Ground Continuity
Connector Terminal Connector Terminal
F12 1
F11 49
Ground Not existed
25 3
Revision: August 2015 2016 Versa Note

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EC-426
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P219A AIR FUEL RATIO
P219A AIR FUEL RATIO
DTC LogicINFOID:0000000012741312
DTC DETECTION LOGIC
NOTE:
•
If DTC P219A is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
Refer to EC-87, "
DTCIndex".
• If DTC P219A is displayed with DTC P219C, P219D, P219E or P219F , perform the trouble diagnosis
for DTC P219C, P219D, P219E or P219F. Refer to EC-87, "
DTCIndex".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING-1
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
NOTE:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
>> GO TO 2.
2.PRECONDITIONING-2
1. Turn ignition switch ON.
2. Clear the mixture ratio self-learning value. Refer to EC-132, "
Description".
Will CONSULT be used?
YES >> GO TO 3.
NO >> GO TO 6.
3.PERFORM DTC CONFIRMATION PROCEDURE-1
1. Turn ignition switch ON.
2. Select “COOLAN TEMP/S” in “DATA MONI TOR” mode of “ENGINE” using CONSULT.
3. Start the engine.
4. Make sure that “COOLAN TEMP/S” indicates more than 80 °C (176° F).
>> GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Select “SYSTEM 1 DIAG NOSIS B B1” and “SYSTEM 1 DIAGNOSIS A B1” in “DATA MONITOR” mode of
“ENGINE” using CONSULT.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P219A AIR FUEL RATIO IMBAL-
ANCE B1
(Air-fuel ratio imbalance bank
1) ECM detects a lean/rich air fuel ratio state in any
cylinder for a specified length of time. • Fuel injector
• Exhaust gas leaks
• Incorrect fuel pressure
• Mass air flow sensor
• Intake air leaks
• Lack of fuel
• Incorrect PCV hose connection
• Improper spark plug
• Insufficient compression
• The fuel injector circuit is open or
shorted
• ignition coil
• The ignition signal circuit is open or shorted
Revision: August 2015 2016 Versa Note

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EC-428
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P219A AIR FUEL RATIO
2.CHECK EXHAUST GAS LEAK
1. Stop engine and visually check exhaust tube, three way catalyst and muffler for dents connection.
2. Start engine and let it idle.
3. Listen for an exhaust gas leak before three way catalyst (manifold).
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK FUEL PRESSURE
1. Release fuel pressure to zero. Refer to EC-137, "
Work Procedure".
2. Check fuel pressure. Refer to EC-137, "
Work Procedure".
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 9.
4.CHECK MASS AIR FLOW SENSOR
With CONSULT
Check “MASS AIRFLOW” in “DATA MONITOR” mode of “ENGINE” using CONSULT.
For specification, refer to EC-26, "
Mass Air Flow Sensor".
With GST
Check mass air flow sensor signal in Service $01 using GST.
For specification, refer to EC-26, "
Mass Air Flow Sensor".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Check connectors for rusted terminals or loose connections in the mass air flow sensor circuit or grounds. Refer to EC-185, "
Diagnosis Procedure".
5.CHECK FUNCTION OF FUEL INJECTOR-1
With CONSULT
1. Start engine.
2. Perform “POWER BALANCE” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
3. Check that each circuit produces a momentary engine speed drop.
Without CONSULT
1. Let engine idle.
2. Listen to each fuel injector operating sound.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Perform trouble diagnosis for fuel injector, refer to EC-
151, "Component Function Check".
PBIB1922E
Clicking noise should be heard.
PBIB3332E
Revision: August 2015 2016 Versa Note

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