2009 NISSAN TIIDA Service Repair Manual

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Page 2753 of 4331

NISSAN TIIDA 2009 Service Repair Manual DTC P0643 SENSOR POWER SUPPLY
EC-1397
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Wiring Diagram
INFOID:0000000004500269
Specification data are reference values and are measure

Page 2754 of 4331

NISSAN TIIDA 2009 Service Repair Manual EC-1398< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0643 SENSOR POWER SUPPLY
Diagnosis Procedure INFOID:00000000045002701.
CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten grou

Page 2755 of 4331

NISSAN TIIDA 2009 Service Repair Manual DTC P0643 SENSOR POWER SUPPLY
EC-1399
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O 2.
CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pe

Page 2756 of 4331

NISSAN TIIDA 2009 Service Repair Manual OK >> GO TO 8.
NG >> GO TO 7. Throttle Valve Closed Position Learning " .
3. Perform EC-1084, " Idle Air Volume Learning " .
>> INSPECTION END Component Inspection " .
OK or NG OK >> GO TO 10.
NG >>

Page 2757 of 4331

NISSAN TIIDA 2009 Service Repair Manual EC
NP
O
DTC P0850 PNP SWITCH
Component Description INFOID:0000000004500271
When the shift lever position is P or N (A/T, CVT), Neut ral (M/T), park/neutral position (PNP) switch is ON.
ECM detects the

EC
NP
O
DTC P0850 PNP SWITCH
Component Description INFOID:0000000004500271
When the shift lever position is P or N (A/T, CVT), Neut ral (M/T), park/neutral position (PNP) switch is ON.
ECM detects the position because the continuity of the line (the ON signal) exists.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004500272
Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004500273
DTC Confirmation Procedure INFOID:0000000004500274
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-III
1. Turn ignition switch ON.
2. Select “P/N POSI SW” in “DATA MONITOR” mode wit h CONSULT-III. Then check the “P/N POSI SW” sig-
nal under the following conditions.
If NG, go to EC-1404, " Diagnosis Procedure " .
If OK, go to following step.
3. Select “DATA MONITOR” mode with CONSULT-III.
4. Start engine and warm it up to normal operating temperature.
5. Maintain the following conditions for at least 60 consecutive seconds. MONITOR ITEM CONDITION SPECIFICATION
P/N POSI SW • Ignition switch: ON Shift 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
0850 Park/neutral position switch The signal of the park/neutral position (PNP)
switch is not changed in the process of en-
gine starting and driving. • Harness or connectors
[Park/neutral position (PNP) switch circuit
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 1,200 rpm (CVT) More than 1,450 rpm (A/T)
More than 1,900 rpm (M/T)
COOLAN TEMP/S More than 70 °C (158 °F)
B/FUEL SCHDL 2.4 - 31.8 msec (CVT) 1.4 - 31.8 msec (A/T)
1.7 - 31.8 msec (M/T)

Page 2758 of 4331

NISSAN TIIDA 2009 Service Repair Manual EC-1402< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0850 PNP SWITCH
6. Check 1st trip DTC.
7. If 1st trip DTC is detected, go to EC-1404, " Diagnosis Procedure " .
Overall Function Check INFOID:0000000004

Page 2759 of 4331

NISSAN TIIDA 2009 Service Repair Manual EC
NP
O
Wiring Diagram
INFOID:0000000004500276
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh en measuring inpu

Page 2760 of 4331

NISSAN TIIDA 2009 Service Repair Manual EC-1404< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0850 PNP SWITCH
Diagnosis Procedure INFOID:0000000004500277
A/T MODELS AND CVT MODELS 1.
CHECK PNP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OF

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