2011 NISSAN LATIO Service Repair Manual

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Page 1937 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC U1001 CAN COMMUNICATION LINEEC-643
< SERVICE INFORMATION > [MR18DE]
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DTC U1001 CAN COMMUNICATION LINE
DescriptionINFOID:0000000006341761
CAN (Controller Area Network

Page 1938 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-644
< SERVICE INFORMATION >[MR18DE]
DTC U1001 CAN COMMUNICATION LINE
Wiring Diagram
INFOID:0000000006341764
Diagnosis ProcedureINFOID:0000000006341765
Go to LAN-26, "CAN System Specification Chart"

Page 1939 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0011 IVT CONTROLEC-645
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DTC P0011 IVT CONTROL
DescriptionINFOID:0000000006341766
SYSTEM DESCRIPTION
*: This signal is sent to the E

Page 1940 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-646
< SERVICE INFORMATION >[MR18DE]
DTC P0011 IVT CONTROL
On Board Diagn osis Logic
INFOID:0000000006341768
FA I L - S A F E M O D E
ECM enters in fail-safe mode when the malfunction is detected.

EC-646
< SERVICE INFORMATION >[MR18DE]
DTC P0011 IVT CONTROL
On Board Diagn osis Logic
INFOID:0000000006341768
FA I L - S A F E M O D E
ECM enters in fail-safe mode when the malfunction is detected.
DTC Confirmation ProcedureINFOID:0000000006341769
CAUTION:
Always drive at a safe speed.
NOTE:
•If DTC P0011 is displayed with DTC P0075, first perform trouble diagnosis for DTC P0075.
See EC-659
.
• 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.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and warm it up to the normal operating temperature.
3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.
4. Let engine idle for 10 seconds.
5. If 1st trip DTC is detected, go to EC-647, "
Diagnosis Procedure".
If 1st trip DTC is not detected, go to next step.
6. Maintain the following conditions for at least 10 consecutive seconds.
7. If 1st trip DTC is detected, go to EC-647, "
Diagnosis Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0011
0011 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 timing 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
Detected items Engine operating condition in fail-safe mode
Intake valve timing control The signal is not energized to the solenoid valve and the valve control does not function
ENG SPEED1,200 - 2,000 rpm (A constant rotati on is maintained.)
COOLAN TEMP/S More than 60 °C (140 °F)
B/FUEL SCHDL More than 3.87 msec
Shift lever P or N position (A/T, CVT)
Neutral position (M/T)
ENG SPEED 1,200 - 3,175 rpm (A constant rotation is maintained.)
COOLAN TEMP/S More than 65 °C (149 °F)
Shift lever 1st or 2nd position
Driving location Driving vehicle uphill
(Increased engine load will help maintain the driving
conditions required for this test.)
Revision: May 2010
2011 Versa

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NISSAN LATIO 2011 Service Repair Manual DTC P0011 IVT CONTROLEC-647
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WITH GST
Follow the procedure “WITH CONSULT-III” above.
Diagnosis ProcedureINFOID:0000000006341770
1.C

Page 1942 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-648
< SERVICE INFORMATION >[MR18DE]
DTC P0011 IVT CONTROL
Refer to
EM-170, "Removal and Installation".
OK or NG
OK >> GO TO 8.
NG >> Clean lubrication line.
8.CHECK INTERMITTENT INCIDENT
Refer to

Page 1943 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATEREC-649
< SERVICE INFORMATION > [MR18DE]
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DTC P0031, P0032 A/F SENSOR 1 HEATER
DescriptionINFOID:0000000006341773
SYSTEM DESCRIPTION
T

DTC P0031, P0032 A/F SENSOR 1 HEATEREC-649
< SERVICE INFORMATION > [MR18DE]
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DTC P0031, P0032 A/F SENSOR 1 HEATER
DescriptionINFOID:0000000006341773
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.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000006341774
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000006341775
DTC Confirmation ProcedureINFOID:0000000006341776
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 pr ocedure, confirm that battery voltage is between 10.5 V and 16 V at
idle.
1. Start engine and run it for at least 10 seconds at idle speed.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to EC-651, "
Diagnosis Procedure".
SensorInput Signal to ECM ECM
function Actuator
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 heat-
er
Mass air flow sensor Amount of intake air
Monitor item ConditionSpecification
A/F S1 HTR (B1) • Engine: After warming up, idle the engine
(More than 140 seconds after starting engine.) 4 - 100%
DTC No.Trouble diagnosis
name DTC detecting condition
Possible cause
P0031
0031 Air fuel ratio (A/F)
sensor 1 heater
control circuit low The current amperage in
the air fuel ratio (A/F)
sensor 1 heater circuit is out of the normal range.
[An excessively low voltage signal is sent to ECM
through the air fuel ratio (A/F) sensor 1 heater.] • Harness or connectors
[Air fuel ratio (A/F) sensor 1 heater circuit is
open or shorted.]
• Air fuel ratio (A/F) sensor 1 heater
P0032
0032 Air fuel ratio (A/F)
sensor 1 heater
control circuit high The current amperage in
the air fuel ratio (A/F)
sensor 1 heater circuit is out of the normal range.
[An excessively high voltage signal is sent to ECM
through the air fuel ratio (A/F) sensor 1 heater.] • Harness or connectors
[Air fuel ratio (A/F) sensor 1 heater circuit is
shorted.]
• Air fuel ratio (A/F) sensor 1 heater
Revision: May 2010 2011 Versa

Page 1944 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-650
< SERVICE INFORMATION >[MR18DE]
DTC P0031, P0032
A/F SENSOR 1 HEATER
Wiring Diagram
INFOID:0000000006341777
Specification data are reference values and are measured between each terminal and g

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