2007 INFINITI FX35 Service Manual

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Page 1857 of 4366

INFINITI FX35 2007 Service Manual DTC P0605 ECM EC-481
[VQ35DE]
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EC
Revision: 2006 July 2007 FX35/FX45
PROCEDURE FOR MALFUNCTION B
With CONSULT-II
1. Turn ignition switch ON and wait at least 1 se

Page 1858 of 4366

INFINITI FX35 2007 Service Manual EC-482
[VQ35DE]
DTC P0605 ECM
Revision: 2006 July 2007 FX35/FX45
2. REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS(NATS) system and registration of all IVIS(NATS) ignition key IDs. R

Page 1859 of 4366

INFINITI FX35 2007 Service Manual DTC P0643 SENSOR POWER SUPPLY EC-483
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EC
Revision: 2006 July 2007 FX35/FX45
DTC P0643 SENSOR POWER SUPPLYPFP:18919
On Board Diagnosis LogicNBS003UZ
This se

Page 1860 of 4366

INFINITI FX35 2007 Service Manual EC-484
[VQ35DE]
DTC P0643 SENSOR POWER SUPPLY
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003V1
TBWM1400E

Page 1861 of 4366

INFINITI FX35 2007 Service Manual DTC P0643 SENSOR POWER SUPPLY EC-485
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EC
Revision: 2006 July 2007 FX35/FX45
Specification data are reference values and are measured between each terminal

Page 1862 of 4366

INFINITI FX35 2007 Service Manual EC-486
[VQ35DE]
DTC P0643 SENSOR POWER SUPPLY
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS003V2
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground

Page 1863 of 4366

INFINITI FX35 2007 Service Manual DTC P0643 SENSOR POWER SUPPLY EC-487
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EC
Revision: 2006 July 2007 FX35/FX45
3. CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and sho

Page 1864 of 4366

INFINITI FX35 2007 Service Manual EC-488
[VQ35DE]
DTC P0850 PNP SWITCH
Revision: 2006 July 2007 FX35/FX45
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionNBS003XZ
When the selector lever position is P or N, park/neutral position (P

EC-488
[VQ35DE]
DTC P0850 PNP SWITCH
Revision: 2006 July 2007 FX35/FX45
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionNBS003XZ
When the selector lever position is P or N, park/neutral position (PNP) switch is ON.
ECM detects the position because the continuity of the line (the ON signal) exists.
CONSULT-II Reference Value in Data Monitor ModeNBS003Y0
Specification data are reference values.
On Board Diagnosis LogicNBS003Y1
DTC Confirmation ProcedureNBS003Y2
CAUTION:
Always drive vehicle at a safe speed.
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.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “P/N POSI SW” in “DATA MONITOR” mode with CON- SULT-II. Then check the “P/N POSI SW” signal under the follow-
ing conditions.
If NG, go to EC-491, "
Diagnostic Procedure" .
If OK, go to following steps.
3. Select “DATA MONITOR” mode with CONSULT-II.
4. Start engine and warm it up to normal operating temperature.
5. Maintain the following conditions for at least 60 consecutive sec- onds.
6. If 1st trip DTC is detected, go to EC-491, "
Diagnostic Procedure"
.
MONITOR ITEM CONDITION SPECIFICATION
P/N POSI SW
Ignition switch: ON Selector lever: P or N ON
Selector lever: Except above OFF
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0850
0850 Park/neutral position
switch The signal of the park/neutral position (PNP)
switch is not changed in the process of engine
starting and driving.
Harness or connectors
[Park/neutral position (PNP) switch cir-
cuit is open or shorted.]
Park/neutral position (PNP) switch
Unified meter and A/C amp.
Position (Selector lever) Known-good signal
P or N position ON
Except above position OFF
ENG SPEED 1,000 - 6,375 rpm
COOLAN TEMP/S More than 70 °C (158 °F)
B/FUEL SCHDL 2.0 - 31.8 msec
VHCL SPEED SE More than 64 km/h (40 MPH)
Selector lever Suitable position
SEF212Y
SEF213Y

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