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U0140 CAN COMM CIRCUITEC-131
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Wiring DiagramINFOID:0000000006141208
Diagnosis ProcedureINFOID:0000000006141209
Go to
LAN-17, "Trouble Diagnosis Flow Chart".
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![NISSAN LATIO 2011 Service Repair Manual EC-132
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U1001 CAN COMM CIRCUIT
U1001 CAN COMM CIRCUIT
DescriptionINFOID:0000000006141010
CAN (Controller Area Network) is a serial communication line for real time appli NISSAN LATIO 2011 Service Repair Manual EC-132
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U1001 CAN COMM CIRCUIT
U1001 CAN COMM CIRCUIT
DescriptionINFOID:0000000006141010
CAN (Controller Area Network) is a serial communication line for real time appli](/manual-img/5/57357/w960_57357-1425.png)
EC-132
< COMPONENT DIAGNOSIS >[HR16DE]
U1001 CAN COMM CIRCUIT
U1001 CAN COMM CIRCUIT
DescriptionINFOID:0000000006141010
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication s
peed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CA N communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
DTC LogicINFOID:0000000005929812
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 3 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> EC-133, "Diagnosis Procedure".
NO >> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
U1001 CAN communication line When ECM is not transmitting or receiving CAN
communication signal other than OBD (emission
related diagnosis) for 2 seconds or more. • Harness or connectors
(CAN communication line is open or
shorted)
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U1001 CAN COMM CIRCUITEC-133
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Wiring DiagramINFOID:0000000006141206
Diagnosis ProcedureINFOID:0000000006141207
Go to
LAN-17, "Trouble Diagnosis Flow Chart".
BBWA2626E
Revision: May 2010 2011 Versa
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![NISSAN LATIO 2011 Service Repair Manual EC-134
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P0011 IVT CONTROL
P0011 IVT CONTROL
DTC LogicINFOID:0000000005929815
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed with DTC P0075, first perform the tr
oub NISSAN LATIO 2011 Service Repair Manual EC-134
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P0011 IVT CONTROL
P0011 IVT CONTROL
DTC LogicINFOID:0000000005929815
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed with DTC P0075, first perform the tr
oub](/manual-img/5/57357/w960_57357-1427.png)
EC-134
< COMPONENT DIAGNOSIS >[HR16DE]
P0011 IVT CONTROL
P0011 IVT CONTROL
DTC LogicINFOID:0000000005929815
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed with DTC P0075, first perform the tr
ouble diagnosis for EC-362, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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, confi rm that battery voltage is between 10 V and 16 V at
idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT-III
1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and warm it up to normal operating temperature.
3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.
4. Stop vehicle with engine running and let engine idle for 10 seconds.
5. Check 1st trip DTC. With GST
Follow the procedure “With CONSULT-III” above.
Is 1st trip DTC detected?
YES >> Go to EC-135, "Diagnosis Procedure"
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-II
With CONSULT-III
1. Maintain the following conditions for at least 20 consecutive seconds.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0011 Intake valve timing control
performance There is a gap between angle of target
and phase-control angle degree. • Crankshaft position sensor (POS)
• Camshaft position sensor (PHASE)
• Intake valve control solenoid valve
• Accumulation of debris to the signal pick-up
portion of the camshaft
• Timing chain installation
• Foreign matter caught in the oil groove for in- take valve timing control
ENG SPEED 1,200 - 2,000 rpm
COOLAN TEMP/S More than 60 °C (140 °F)
B/FUEL SCHDL More than 4.2 msec
Selector lever P or N position (A/T)
Neutral position (M/T)
ENG SPEED 1,500 - 3,175 rpm (A cons
tant rotation is maintained.)
COOLAN TEMP/S More than 70 °C (221 °F)
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![NISSAN LATIO 2011 Service Repair Manual P0011 IVT CONTROLEC-135
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OCAUTION:
Always drive at a safe speed.
2. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT-III NISSAN LATIO 2011 Service Repair Manual P0011 IVT CONTROLEC-135
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OCAUTION:
Always drive at a safe speed.
2. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT-III](/manual-img/5/57357/w960_57357-1428.png)
P0011 IVT CONTROLEC-135
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OCAUTION:
Always drive at a safe speed.
2. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT-III” above.
Is 1st trip DTC detected?
YES >> Go to EC-135, "Diagnosis Procedure"
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005929816
1.CHECK OIL PRESSURE WARNING LAMP
1. Start engine.
2. Check oil pressure warning lamp and confirm it is not illumi- nated.
Is oil pressure warning lamp illuminated?
YES >> Go to LU-7, "Inspection".
NO >> GO TO 2.
2.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Refer to EC-136, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace intake valve timing control solenoid valve. Refer to EM-59, "
Exploded View".
3.CHECK CRANKSHAFT POSITION SENSOR (POS)
Refer to EC-271, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace crankshaft position sensor (POS). Refer to EM-89, "
Exploded View".
4.CHECK CAMSHAFT POSITION SENSOR (PHASE)
Refer to EC-276, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace camshaft position sensor (PHASE). Refer to EM-59, "
Exploded View".
5.CHECK CAMSHAFT (INTAKE)
Check the following.
Selector lever 1st or 2nd position
Driving location Driving vehicle uphill
(Increased engine load will help maintain the driving
conditions required for this test.)
PBIA8559J
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![NISSAN LATIO 2011 Service Repair Manual EC-136
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P0011 IVT CONTROL
• Accumulation of debris to the si
gnal plate of camshaft (1) rear end
• Chipping signal plate of camshaft rear end
Is the inspection resul NISSAN LATIO 2011 Service Repair Manual EC-136
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P0011 IVT CONTROL
• Accumulation of debris to the si
gnal plate of camshaft (1) rear end
• Chipping signal plate of camshaft rear end
Is the inspection resul](/manual-img/5/57357/w960_57357-1429.png)
EC-136
< COMPONENT DIAGNOSIS >[HR16DE]
P0011 IVT CONTROL
• Accumulation of debris to the si
gnal plate of camshaft (1) rear end
• Chipping signal plate of camshaft rear end
Is the inspection result normal?
YES >> GO TO 6.
NO >> Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to EM-59,
"Exploded View".
6.CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misaligned.
Are there any service records that may cause timing chain misaligned?
YES >> Check timing chain installation. Refer to EM-49, "Removal and Installation".
NO >> GO TO 7.
7.CHECK LUBRICATION CIRCUIT
Refer to EM-65, "
Inspection", “INSPECTION AFTER INSTALATION”.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Clean lubrication line.
8.CHECK INTERMITTENT INCIDENT
Refer to EC-122, "
Diagnosis Procedure".
>> INSPECTION END
Component InspectionINFOID:0000000005929817
1.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE-I
1. Turn ignition switch OFF.
2. Disconnect intake valve timing control solenoid valve harness connector.
3. Check resistance between intake valve timing control solenoid valve terminals as per the following.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace intake valve timing control solenoid valve. Refer to EM-59, "
Exploded View".
2.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE-II
1. Remove intake valve timing control solenoid valve.
PBIA9557J
Terminals Resistance
1 and 2 6.7 - 7.7 Ω [at 20°C (68 °F)]
1 or 2 and ground ∞
Ω
(Continuity should not exist)
PBIB0574E
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2. Provide 12 V DC between intake valve timing control solenoid
valve terminals 1 and 2, and then interrupt it. Make sure that the
plunger moves as shown in the figure.
CAUTION:
Do not apply 12 V DC continuously for 5 seconds or more.
Doing so may result in damage to the coil in intake valve
timing control solenoid valve.
NOTE:
Always replace O-ring when intake valve timing control
solenoid valve is removed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace intake valve timing control solenoid valve. Refer to EM-59, "
Exploded View".
JMBIA2108ZZ
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![NISSAN LATIO 2011 Service Repair Manual EC-138
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P0031, P0032 A/F SENSOR 1 HEATER
P0031, P0032 A/F SENSOR 1 HEATER
DescriptionINFOID:0000000005929818
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of t NISSAN LATIO 2011 Service Repair Manual EC-138
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P0031, P0032 A/F SENSOR 1 HEATER
P0031, P0032 A/F SENSOR 1 HEATER
DescriptionINFOID:0000000005929818
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of t](/manual-img/5/57357/w960_57357-1431.png)
EC-138
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P0031, P0032 A/F SENSOR 1 HEATER
P0031, P0032 A/F SENSOR 1 HEATER
DescriptionINFOID:0000000005929818
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F
sensor 1 heater corresponding to the engine operating
condition to keep the temperature of A/F sensor 1 element at the specified range.
DTC LogicINFOID:0000000005929819
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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 th at battery voltage is more than between 11 V at
idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-139, "Diagnosis Procedure".
NO >> INSPECTION END
Sensor Input signal to ECM ECM functionActuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS) Engine speed
Air fuel ratio (A/F) sensor 1
heater control Air fuel ratio (A/F) sensor 1
heater
Mass air flow sensor Amount of intake air
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P0031 Air fuel ratio (A/F) sensor 1
heater control circuit low The current amperage in the A/F sensor 1 heater
circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM
through the A/F sensor 1 heater.) • Harness or connectors
(The A/F sensor 1 heater circuit is
open or shorted.)
• A/F sensor 1 heater
P0032 Air fuel ratio (A/F) sensor 1
heater control circuit high The current amperage in the A/F sensor 1 heater
circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM
through the A/F sensor 1 heater.) • Harness or connectors
(The A/F sensor 1 heater circuit is
shorted.)
• A/F sensor 1 heater
Revision: May 2010 2011 Versa