2006 INFINITI FX35 Service Manual

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Page 1873 of 4462

INFINITI FX35 2006 Service Manual DTC P0850 PNP SWITCH EC-489
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionNBS003XZ
When the selector lever p

DTC P0850 PNP SWITCH EC-489
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Revision: 2006 December 2006 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-492, "
Diagnostic Procedure" .
If OK, go to following step.
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-492, "
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

Page 1874 of 4462

INFINITI FX35 2006 Service Manual EC-490
[VQ35DE]
DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
Overall Function CheckNBS003Y3
Use this procedure to check the overall function of the park/neutral position (PNP) switch ci

Page 1875 of 4462

INFINITI FX35 2006 Service Manual DTC P0850 PNP SWITCH EC-491
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Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS003Y4
TBWM0521E

Page 1876 of 4462

INFINITI FX35 2006 Service Manual EC-492
[VQ35DE]
DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground

Page 1877 of 4462

INFINITI FX35 2006 Service Manual DTC P0850 PNP SWITCH EC-493
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Revision: 2006 December 2006 FX35/FX45
5. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM har

Page 1878 of 4462

INFINITI FX35 2006 Service Manual EC-494
[VQ35DE]
DTC P1148, P1168 CLOSED LOOP CONTROL
Revision: 2006 December 2006 FX35/FX45
DTC P1148, P1168 CLOSED LOOP CONTROLPFP:22690
On Board Diagnosis LogicNBS003U8
These self-diagnoses have the

Page 1879 of 4462

INFINITI FX35 2006 Service Manual DTC P1211 TCS CONTROL UNIT EC-495
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Revision: 2006 December 2006 FX35/FX45
DTC P1211 TCS CONTROL UNITPFP:47850
DescriptionNBS003U9
The malfunction informa

Page 1880 of 4462

INFINITI FX35 2006 Service Manual EC-496
[VQ35DE]
DTC P1212 TCS COMMUNICATION LINE
Revision: 2006 December 2006 FX35/FX45
DTC P1212 TCS COMMUNICATION LINEPFP:47850
DescriptionNBS003UD
NOTE:
If DTC P1212 is displayed with DTC U1000 or

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