2006 NISSAN VERSA Workshop Service Repair Manual

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Page 1601 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-432Revision: June 2006
DTC P0643 SENSOR POWER SUPPLY
2007 Versa
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals w

Page 1602 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0643 SENSOR POWER SUPPLY
EC-433
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Revision: June 20062007 Versa
Diagnostic ProcedureUBS00QKK
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retight

Page 1603 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-434Revision: June 2006
DTC P0643 SENSOR POWER SUPPLY
2007 Versa
3. CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector

Page 1604 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0643 SENSOR POWER SUPPLY
EC-435
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Revision: June 20062007 Versa
9. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-77, "
Accelerato

Page 1605 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-436Revision: June 2006
DTC P0850 PNP SWITCH
2007 Versa
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionUBS00QKL
When the shift lever position is P or N (A/T, CVT), Neutral (M/T), park/neutral po

EC-436Revision: June 2006
DTC P0850 PNP SWITCH
2007 Versa
DTC P0850 PNP SWITCHPFP:23006
Component DescriptionUBS00QKL
When the shift lever position is P or N (A/T, CVT), Neutral (M/T), 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 ModeUBS00QKM
Specification data are reference values.
On Board Diagnosis LogicUBS00QKN
DTC Confirmation ProcedureUBS00QKO
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-439, "
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-439, "
Diagnostic Procedure"
.
MONITOR ITEM CONDITION SPECIFICATION
P/N POSI SW
Ignition switch: ONShift lever: P or N (A/T, CVT),
Neutral (M/T)ON
Shift lever: Except above OFF
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0850
0850Park/neutral position switchThe 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
TCM (CVT models)
Position (Shift lever) Known-good signal
N or P position (A/T, CVT)
Neutral position (M/T)ON
Except above OFF
ENG SPEED More than 1,100 rpm
COOLAN TEMP/S More than 70°C (158°F)
B/FUEL SCHDL 3.5 - 31.8 msec
VHCL SPEED SE More than 64km/h (29 MPH)
Shift lever Suitable position
SEF 2 12 Y
SEF 2 13 Y

Page 1606 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0850 PNP SWITCH
EC-437
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Revision: June 20062007 Versa
Overall Function CheckUBS00QKP
Use this procedure to check the overall function of the park/neutral position (PNP) s

Page 1607 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-438Revision: June 2006
DTC P0850 PNP SWITCH
2007 Versa
Wiring DiagramUBS00QKQ
BBWA2650E

Page 1608 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0850 PNP SWITCH
EC-439
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Revision: June 20062007 Versa
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM g

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