2006 INFINITI FX35 Service Manual

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INFINITI FX35 2006 Service Manual DTC P0643 SENSOR POWER SUPPLY EC-1153
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Revision: 2006 December 2006 FX35/FX45
3. CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and

Page 2538 of 4462

INFINITI FX35 2006 Service Manual EC-1154
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DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionNBS004EW
When the selector lever position is P or N, park/neutral positi

EC-1154
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DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionNBS004EW
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 ModeNBS004EX
Specification data are reference values.
On Board Diagnosis LogicNBS004EY
DTC Confirmation ProcedureNBS004EZ
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-1157, "
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-1157, "
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
[The park/neutral position (PNP) switch
circuit is open or shorted.]
Park/neutral position (PNP) switch
Unified meter and A/C amp.
TCM
Position (Selector lever) Known-good signal
N or P position ON
Except above position OFF
SEF212Y
ENG SPEED 1,200 - 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
SEF213Y

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INFINITI FX35 2006 Service Manual DTC P0850 PNP SWITCH EC-1155
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Revision: 2006 December 2006 FX35/FX45
Overall Function CheckNBS004F0
Use this procedure to check the overall function of t

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INFINITI FX35 2006 Service Manual EC-1156
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DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
Wiring DiagramNBS004F1
TBWM0521E

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INFINITI FX35 2006 Service Manual DTC P0850 PNP SWITCH EC-1157
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Revision: 2006 December 2006 FX35/FX45
Specification data are reference values and are measured between each terminal and g

Page 2542 of 4462

INFINITI FX35 2006 Service Manual EC-1158
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DTC P0850 PNP SWITCH
Revision: 2006 December 2006 FX35/FX45
5. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness cont

Page 2543 of 4462

INFINITI FX35 2006 Service Manual DTC P1140, P1145 IVT CONTROL POSITION SENSOR EC-1159
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Revision: 2006 December 2006 FX35/FX45
DTC P1140, P1145 IVT CONTROL POSITION SENSORPFP:23731
Compon

DTC P1140, P1145 IVT CONTROL POSITION SENSOR EC-1159
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Revision: 2006 December 2006 FX35/FX45
DTC P1140, P1145 IVT CONTROL POSITION SENSORPFP:23731
Component DescriptionNBS004B9
Intake valve timing control position sensors are located in the front of
cylinder heads in both bank 1 and bank 2.
This sensor uses a Hall IC.
The cam position is determined by the intake camshaft sprocket con-
cave (in four places). The ECM provides feedback to the intake valve
timing control for appropriate target valve open-close timing accord-
ing to drive conditions based on detected cam position.
CONSULT-II Reference Value in Data Monitor ModeNBS004BA
Specification data are reference values.
On Board Diagnosis LogicNBS004BB
DTC Confirmation ProcedureNBS004BC
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 “DATA MONITOR” mode with CONSULT-II.
3. Maintain the following conditions for at least 10 seconds.
4. If 1st trip DTC is detected, go to EC-1164, "
Diagnostic Proce-
dure" .
SEF359Z
MONITOR ITEM CONDITION SPECIFICATION
INT/V TIM (B1)
INT/V TIM (B2)
Engine: After warming up
Selector lever: P or N
Air conditioner switch: OFF
No load Idle
−5° - 5 °CA
2,000 rpm Approx. 0 ° - 20 °CA
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1140
11 4 0
(Bank 1)
Intake valve timing control
position sensor circuit An excessively high or low voltage from the
sensor is sent to ECM.
Harness or connectors
(Intake valve timing control position
sensor circuit is open or shorted)
Intake valve timing control position
sensor
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Accumulation of debris to the signal
pick-up portion of the camshaft
sprocket
P1145
11 4 5
(Bank 2)
ENG SPEED More than idle speed
Selector lever P or N position
SEF058Y

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INFINITI FX35 2006 Service Manual EC-1160
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DTC P1140, P1145 IVT CONTROL POSITION SENSOR
Revision: 2006 December 2006 FX35/FX45
WITH GST
Follow the procedure “WITH CONSULT-II” above.

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