Nissan Frontier D22. Instruction — part 506
DTC P1706 PNP SWITCH
EC-1127
[VG33E]
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EC
DTC P1706 PNP SWITCH
PFP:32006
Component Description
UBS00DPX
When the gear position is P or N (A/T), Neutral (M/T), park/neutral
position (PNP) switch is ON.
ECM detects the position because the continuity of the line (the ON
signal) exists.
For A/T models, the park/neutral position (PNP) switch assembly
also includes a transmission range switch to detect selector lever
position.
CONSULT-II Reference Value in Data Monitor Mode
UBS00DPY
Specification data are reference values.
On Board Diagnosis Logic
UBS00DPZ
DTC Confirmation Procedure
UBS00DQ0
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 5 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-1130, "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.
AEC877A
MONITOR ITEM
CONDITION
SPECIFICATION
P/N POSI SW
●
Ignition switch: ON
Shift lever: P or N (A/T), Neutral (M/T)
ON
Except above
OFF
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1706
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
Position (Selector lever)
Known good signal
N or P position (A/T)
Neutral position (M/T)
ON
Except above position
OFF
SEF212Y
EC-1128
[VG33E]
DTC P1706 PNP SWITCH
5.
Maintain the following conditions for at least 60 consecutive sec-
onds.
6.
If 1st trip DTC is detected, go to
Overall Function Check
UBS00DQ1
Use this procedure to check the overall function of the park/neutral position (PNP) switch circuit. During this
check, a 1st trip DTC might not be confirmed.
WITH GST
1.
Turn ignition switch ON.
2.
Check voltage between ECM terminal 22 and body ground
under the following conditions.
3.
If NG, go to
EC-1130, "Diagnostic Procedure"
ENG SPEED
1,600 - 2,700 rpm
COOLAN TEMP/S
More than 70
°C (158°F)
B/FUEL SCHDL
3.3 - 13.0 msec
VHCL SPEED SE
More than 64 km/h (40 MPH)
Selector lever
Suitable position
SEF213Y
Condition (Gear position)
Voltage (V) (Known-good data)
P or N position (A/T)
Neutral position (M/T)
Approx. 0
Except above position
Approx. 5
SEF877U
DTC P1706 PNP SWITCH
EC-1129
[VG33E]
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Wiring Diagram
UBS00DQ2
BBWA1096E
EC-1130
[VG33E]
DTC P1706 PNP SWITCH
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than the ECM terminals, such as the ground.
Diagnostic Procedure
UBS00DQ3
FOR M/T MODELS
1.
CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect park/neutral position (PNP) switch harness connec-
tor.
3.
Check harness continuity between PNP switch terminal 2 and
engine ground. Refer to Wiring Diagram.
4.
Also check harness for short to power.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors F201, F43
●
Harness for open between park/neutral position (PNP) switch and engine ground
>> Repair open circuit or short to power in harness or connectors.
3.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check harness continuity between ECM terminal 22 and PNP switch terminal 1. Refer to Wiring Diagram.
3.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors F43, F201
●
Harness for open or short between ECM and park/neutral position (PNP) switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
22
L/B
Park/neutral position
(PNP) switch
[Ignition switch: ON]
●
Shift lever: N or P (A/T), Neutral (M/T)
Approximately 0V
[Ignition switch: ON]
●
Except above position
Approximately 5V
Continuity should exist.
AEC877A
Continuity should exist.
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