2006 INFINITI FX35 Service Manual

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INFINITI FX35 2006 Service Manual DTC P0011, P0021 IVT CONTROL EC-161
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Revision: 2006 December 2006 FX35/FX45
DTC P0011, P0021 IVT CONTROLPFP:23796
DescriptionNBS003MO
SYSTEM DESCRIPTION

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INFINITI FX35 2006 Service Manual EC-162
[VQ35DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2006 December 2006 FX35/FX45
On Board Diagnosis LogicNBS003MQ
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode.
DTC

EC-162
[VQ35DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2006 December 2006 FX35/FX45
On Board Diagnosis LogicNBS003MQ
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode.
DTC Confirmation ProcedureNBS003MR
CAUTION:
Always drive at a safe speed.
NOTE:
If DTC P0011 or P0021 is displayed with DTC P0075 or P0081, first perform trouble diagnosis for
DTC P0075 or P0081. Refer to EC-181, "
DTC P0075, P0081 IVT CONTROL SOLENOID VALVE" .
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 1st trip DTC is detected, go to EC-163, "
Diagnostic Procedure" .
If 1st trip DTC is not detected, go to next step.
6. Maintain the following conditions for at least 20 consecutive seconds.
DTC No. Trouble diagnosis
name Detecting condition Possible cause
P0011
0011
(Bank 1)
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
intake valve timing control
P0021
0021
(Bank 2)
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.
VHCL SPEED SE 100 - 120 km/h (63 - 75 MPH)
ENG SPEED 1,200 - 2,000 rpm
COOLAN TEMP/S More than 60 °C (140 °F)
B/FUEL SCHDL More than 7.3 msec
Selector lever D position
ENG SPEED 1,700 - 3,175 rpm (A constant rotation is maintained.)
COOLAN TEMP/S 70 - 105 °C (158 - 221 °F)
Selector lever 1st or 2nd position
Driving location uphill Driving vehicle uphill
(Increased engine load will help maintain the driving
conditions required for this test.)
PBIB0164E

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INFINITI FX35 2006 Service Manual DTC P0011, P0021 IVT CONTROL EC-163
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Revision: 2006 December 2006 FX35/FX45
7. If 1st trip DTC is detected, go to EC-163, "Diagnostic Procedure" .
WIT

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INFINITI FX35 2006 Service Manual EC-164
[VQ35DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2006 December 2006 FX35/FX45
6. CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misalig

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INFINITI FX35 2006 Service Manual DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER EC-165
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Revision: 2006 December 2006 FX35/FX45
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATERPFP:2

DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER EC-165
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Revision: 2006 December 2006 FX35/FX45
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATERPFP:22693
DescriptionNBS003TA
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the air fuel ratio (A/F) sensor 1 heater corresponding to the engine
operating condition to keep the temperature of air fuel ratio (A/F) sensor 1 element at the specified range.
CONSULT-II Reference Value in Data Monitor ModeNBS003TB
Specification data are reference values.
On Board Diagnosis LogicNBS003TC
DTC Confirmation ProcedureNBS003TD
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
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and let it idle for at least 10 seconds.
3. If 1st trip DTC is detected, go to EC-170, "
Diagnostic Procedure"
.
Sensor Input 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 heater
Mass air flow sensor Amount of intake air
MONITOR ITEM CONDITION SPECIFICATION
A/F S1 HTR (B1)
A/F S1 HTR (B2)
Engine: After warming up, idle the engine 0 - 100%
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0031
0031
(Bank 1) Air fuel ratio (A/F) sensor
1 heater control circuit
low The current amperage in the heated 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
P0051
0051
(Bank 2)
P0032
0032
(Bank 1) Air fuel ratio (A/F) sensor
1 heater control circuit
high The current amperage in the heated 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
P0052
0052
(Bank 2)
SEF058Y

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INFINITI FX35 2006 Service Manual EC-166
[VQ35DE]
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER
Revision: 2006 December 2006 FX35/FX45
WITH GST
Follow the procedure “WITH CONSULT-II” above.

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INFINITI FX35 2006 Service Manual DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER EC-167
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Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS003TE
BANK 1
TBWM1416E

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INFINITI FX35 2006 Service Manual EC-168
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DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER
Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
Pu

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