Nissan Primera P11. Instruction — part 170
Component Inspection
NCEC0557
CRANKSHAFT POSITION SENSOR (POS)
NCEC0557S01
1.
Disconnect crankshaft position sensor (POS) harness connec-
tor.
2.
Loosen the fixing bolt of the sensor.
3.
Remove the sensor.
4.
Visually check the sensor for chipping.
5.
Check resistance as shown in the figure.
Terminal No. (Polarity)
Resistance
Ω
[at 25°C (77°F)]
3 (+) - 1 (−)
Except 0 or
∞
2 (+) - 1 (−)
3 (+) - 2 (−)
If NG, replace crankshaft position sensor.
SEF121X
SEF122X
DTC P0335 CRANKSHAFT POSITION SENSOR (POS)
QG16
I
18DE
Component Inspection
EC-237
Component Description
NCEC0220
The camshaft position sensor senses the protrusion provided with
exhaust valve cam sprocket to identify a particular cylinder. The
crankshaft position sensor senses the piston position.
When the crankshaft position sensor system becomes inoperative,
the camshaft position sensor provides various controls of engine
parts instead, utilizing timing of cylinder identification signals.
The sensor consists of a permanent magnet, core and coil.
When the engine is running, the high and low parts of the teeth
cause the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to
change.
Due to the changing magnetic field, the voltage from the sensor
changes.
ECM Terminals and Reference Value
NCEC0221
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 ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
66*
75
W
Camshaft position sen-
sor (PHASE)
[Engine is running]
I
Warm-up condition
I
Idle speed
3 - 4V
SEF977W
[Engine is running]
I
Engine speed is 2,000 rpm
3 - 4V
SEF978W
*: If so equipped
On Board Diagnosis Logic
NCEC0222
DTC No.
Malfunction is detected when ...
Check Items (Possible Cause)
P0340
0340
I
The cylinder No. signal is not entered to ECM for the first
few seconds during engine cranking.
. . . . . . . . . . . . . . . . . . . . . . . . .
I
The cylinder No. signal is not enter to ECM during engine
running.
. . . . . . . . . . . . . . . . . . . . . . . . .
I
The cylinder No. signal is not in the normal pattern during
engine running.
I
Harness or connectors
(The camshaft position sensor (PHASE) circuit is
open or shorted.)
I
Camshaft position sensor (PHASE)
I
Starter motor (Refer to EL section.)
I
Starting system circuit (Refer to EL section.)
SEF058X
DTC P0340 CAMSHAFT POSITION SENSOR (CMPS)
(PHASE)
QG16
I
18DE
Component Description
EC-238
DTC Confirmation Procedure
NCEC0223
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 9 seconds
before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that bat-
tery voltage is more than 10.5V.
With CONSULT-II
1)
Turn ignition switch “ON”.
2)
Select “DATA MONITOR” mode with CONSULT-II.
3)
Crank engine for at least 2 seconds.
4)
If 1st trip DTC is detected, go to “Diagnostic Procedure”, EC-
QG-241.
With GST
Follow the procedure “With CONSULT-II” above.
PEF002P
DTC P0340 CAMSHAFT POSITION SENSOR (CMPS)
(PHASE)
QG16
I
18DE
DTC Confirmation Procedure
EC-239
Wiring Diagram
NCEC0224
YEC071A
DTC P0340 CAMSHAFT POSITION SENSOR (CMPS)
(PHASE)
QG16
I
18DE
Wiring Diagram
EC-240
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