2006 INFINITI FX35 Service Manual

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INFINITI FX35 2006 Service Manual DTC P2138 APP SENSOR EC-601
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45
5. CHECK ACCELERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT-II
1. Turn ignitio

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INFINITI FX35 2006 Service Manual EC-602
[VQ35DE]
DTC P2138 APP SENSOR
Revision: 2006 December 2006 FX35/FX45
10. CHECK ACCELERATOR PEDAL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect E

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INFINITI FX35 2006 Service Manual DTC P2138 APP SENSOR EC-603
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Revision: 2006 December 2006 FX35/FX45
15. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Pe

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INFINITI FX35 2006 Service Manual EC-604
[VQ35DE]
DTC P2A00, P2A03 A/F SENSOR 1
Revision: 2006 December 2006 FX35/FX45
DTC P2A00, P2A03 A/F SENSOR 1PFP:22693
Component DescriptionNBS003VH
The air fuel ratio (A/F) sensor is a planar du

EC-604
[VQ35DE]
DTC P2A00, P2A03 A/F SENSOR 1
Revision: 2006 December 2006 FX35/FX45
DTC P2A00, P2A03 A/F SENSOR 1PFP:22693
Component DescriptionNBS003VH
The air fuel ratio (A/F) sensor is a planar dual-cell limit current sen-
sor. The sensor element of the air fuel ratio (A/F) sensor is the com-
bination of a Nernst concentration cell (sensor cell) with an oxygen-
pump cell, which transports ions. It has a heater in the element.
The sensor is capable of precise measurement = 1, but also in the
lean and rich range. Together with its control electronics, the sensor
outputs a clear, continuous signal throughout a wide range (0.7 < < air).
The exhaust gas components diffuse through the diffusion gap at the
electrode of the oxygen pump and Nernst concentration cell, where
they are brought to thermodynamic balance.
An electronic circuit controls the pump current through the oxygen-
pump cell so that the composition of the exhaust gas in the diffusion
gap remains constant at = 1. Therefore, the air fuel ratio (A/F) sen-
sor is able to indicate air/fuel ratio by this pumping of current. In
addition, a heater is integrated in the sensor to ensure the required
operating temperature of 700 - 800 °C (1,292 - 1,472 °F).
CONSULT-II Reference Value in Data Monitor ModeNBS003VI
Specification data are reference values.
On Board Diagnosis LogicNBS003VJ
To judge the malfunction, the A/F signal computed by ECM from the air fuel ratio (A/F) sensor 1 signal is mon-
itored not to be shifted to LEAN side or RICH side.
SEF579Z
SEF580Z
MONITOR ITEM CONDITION SPECIFICATION
A/F SEN1 (B1)
A/F SEN1 (B2)
Engine: After warming up Maintaining engine speed at
2,000 rpm Fluctuates around 1.5V
DTC No. Trouble diagnosis name DTC detecting condition Possible Cause
P2A00
2A00
(Bank 1) Air fuel ratio (A/F) sensor 1
lean shift monitoring
The output voltage computed by ECM from the
air fuel ratio (A/F) sensor 1 signal is shifted to
the lean side for a specified period.
The A/F signal computed by ECM from the air
fuel ratio (A/F) sensor 1 signal is shifted to the
rich side for a specified period.
Air fuel ratio (A/F) sensor 1
Air fuel ratio (A/F) sensor 1 heater
Fuel pressure
Fuel injector
Intake air leaks
P2A03
2A03
(Bank 2)

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INFINITI FX35 2006 Service Manual DTC P2A00, P2A03 A/F SENSOR 1 EC-605
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Revision: 2006 December 2006 FX35/FX45
DTC Confirmation ProcedureNBS003VK
NOTE:
If DTC Confirmation Procedure has

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INFINITI FX35 2006 Service Manual EC-606
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DTC P2A00, P2A03 A/F SENSOR 1
Revision: 2006 December 2006 FX35/FX45
Wiring Diagram NBS003VL
BANK 1
TBWM1418E

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INFINITI FX35 2006 Service Manual DTC P2A00, P2A03 A/F SENSOR 1 EC-607
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Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured between each termin

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INFINITI FX35 2006 Service Manual EC-608
[VQ35DE]
DTC P2A00, P2A03 A/F SENSOR 1
Revision: 2006 December 2006 FX35/FX45
BANK 2
TBWM1419E

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