2003 NISSAN X-TRAIL Service Repair Manual

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Page 513 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0011 IVT CONTROL
EC-135
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DTC P0011 IVT CONTROLPFP:23796
DescriptionEBS010MG
SYSTEM DESCRIPTION
*: This signal is sent to the ECM through CAN commun

Page 514 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-136
[QR (WITH EURO-OBD)]
DTC P0011 IVT CONTROL

On Board Diagnosis LogicEBS010MI
The MI will not light up for this diagnosis.
FAIL-SAFE MODE
ECM enters in fail-safe mode when the malfunction is de

EC-136
[QR (WITH EURO-OBD)]
DTC P0011 IVT CONTROL

On Board Diagnosis LogicEBS010MI
The MI will not light up for this diagnosis.
FAIL-SAFE MODE
ECM enters in fail-safe mode when the malfunction is detected.
DTC Confirmation ProcedureEBS010MJ
CAUTION:
Always drive at a safe speed.
NOTE:
If DTC P0011 is displayed with DTC P1111, first perform trouble diagnosis for DTC P1111. See EC-
286 .
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 that battery voltage is between 10V and 16V at
idle.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and warm it up to the normal operating tempera-
ture.
3. Maintain the following conditions for at least 6 consecutive sec-
onds.
Hold the accelerator pedal as steady as possible.
4. Let engine idle for 10 seconds.
5. If the 1st trip DTC is detected, go to EC-137, "
Diagnostic Procedure" .
If the 1st trip DTC is not detected, go to next step.
6. Maintain the following conditions for at least 20 consecutive seconds.
7. If 1st trip DTC is detected, go to EC-137, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.Trouble diagnosis
nameDetecting condition Possible cause
P0011
0011Intake valve timing
control performanceThere is a gap between angle of target and
phase-control angle degree.
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Accumulation of debris to the signal pick-up
portion of the camshaft
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 SPEED 1,200 - 2,000 rpm (A constant rotation is maintained.)
COOLANT TEMPS 60 - 120°C (176 - 194°F)
Selector leverA/T: P or N position
M/T: Neutral position
ENG SPEED 1,700 - 3,175 rpm (A constant rotation is maintained.)
COOLANT TEMPS 70 - 105°C (176 - 194°F)
Selector lever 1st or 2nd position
Driving location uphillDriving vehicle uphill
(Increased engine load will help maintain the driving
conditions required for this test.)
SEF174Y

Page 515 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0011 IVT CONTROL
EC-137
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Diagnostic ProcedureEBS010MK
1. CHECK CRANKSHAFT POSITION SENSOR (POS)
Refer to EC-252, "
Component Inspection" .
OK or NG

Page 516 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-138
[QR (WITH EURO-OBD)]
DTC P0031, P0032 HO2S1 HEATER

DTC P0031, P0032 HO2S1 HEATERPFP:22690
DescriptionEBS010ML
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the heated oxygen sens

EC-138
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DTC P0031, P0032 HO2S1 HEATER

DTC P0031, P0032 HO2S1 HEATERPFP:22690
DescriptionEBS010ML
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the heated oxygen sensor 1 heater corresponding to the engine
speed and engine coolant temperature. The duty percent varies with engine coolant temperature when engine
is started.
OPERATION
CONSULT-II Reference Value in Data Monitor ModeEBS010MM
Specification data are reference values.
On Board Diagnosis LogicEBS010MN
DTC Confirmation ProcedureEBS010MO
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 procedure, confirm that battery voltage is between 10.5V and 16V at
idle.
WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
Sensor Input Signal to ECM ECM function Actuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)Engine speed
Heated oxygen sensor 1
heater controlHeated oxygen sensor 1
heater
Engine coolant temperature sensor Engine coolant temperature
Engine speed rpm Heated oxygen sensor 1 heater
Above 3,600 OFF
Below 3,600 ON
MONITOR ITEM CONDITION SPECIFICATION
HO2S1 HTR (B1)
Engine: After warming up
Engine speed: Below 3,600 rpmON
Engine speed: Above 3,600 rpm OFF
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P0031
0031Heated oxygen
sensor 1 heater
control circuit lowThe current amperage in the heated oxygen
sensor 1 heater circuit is out of the normal
range.
(An excessively low voltage signal is sent to
ECM through the heated oxygen sensor 1
heater.)
Harness or connectors
(The heated oxygen sensor 1 heater circuit is
open or shorted.)
Heater oxygen sensor 1 heater
P0032
0032Heated oxygen
sensor 1 heater
control circuit highThe current amperage in the heated oxygen
sensor 1 heater circuit is out of the normal
range.
(An excessively high voltage signal is sent to
ECM through the heated oxygen sensor 1
heater.)
Harness or connectors
(The heated oxygen sensor 1 heater circuit is
shorted.)
Heater oxygen sensor 1 heater

Page 517 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0031, P0032 HO2S1 HEATER
EC-139
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3. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
4. Start engine and run it for at l

Page 518 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-140
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DTC P0031, P0032 HO2S1 HEATER

Wiring DiagramEBS010MP
TBWA0596E

Page 519 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P0031, P0032 HO2S1 HEATER
EC-141
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Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measure

Page 520 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-142
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DTC P0031, P0032 HO2S1 HEATER

2. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E60, F36
Fuse block (J/B) connector E103
10A fuse
Harness for open

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