2001 NISSAN ALMERA o2 sensor

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Page 1042 of 2898

NISSAN ALMERA 2001  Service Manual On Board Diagnosis LogicNJEC0202If a misfire occurs, the engine speed will fluctuate. If the fluctuation is detected by the crankshaft position sen-
sor (POS), the misfire is diagnosed.
Sensor Input S

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NISSAN ALMERA 2001  Service Manual 9 CHECK FUEL PRESSURE
1. Install any parts removed. 
2. Release fuel pressure to zero. Refer to EC-40.
3. Install fuel pressure gauge and check fuel pressure.
JEF087Y
At idle: Approx. 235 kPa (2.35 ba

Page 1047 of 2898

NISSAN ALMERA 2001  Service Manual 13 CHECK MASS AIR FLOW SENSOR
With CONSULT-II
Check ªMASS AIR FLOWº in ªDATA MONITORº mode with CONSULT-II.
at idling: 1.0 - 4.0 g´m/sec
at 2,500 rpm: 5.0 - 10.0 g´m/sec
With GST
Check mass air

Page 1048 of 2898

NISSAN ALMERA 2001  Service Manual SEF598K
Component DescriptionNJEC0206The knock sensor is attached to the cylinder block. It senses
engine knocking using a piezoelectric element. A knocking vibration
from the cylinder block is sensed

Page 1049 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC0210
HEC791
DTC P0325 KNOCK SENSOR (KS)QG
Wiring Diagram
EC-325

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NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC0211
1 RETIGHTEN GROUND SCREWS
Loosen and retighten engine ground screws.
JEF104Y
©GO TO 2.
2 CHECK INPUT SIGNAL CIRCUIT-1
1. Turn ignition switch ªOFFº.
2. Disconnect ECM h

Page 1051 of 2898

NISSAN ALMERA 2001  Service Manual 5 CHECK INTERMITTENT INCIDENT
Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-177.
©INSPECTION END
SEF111Y
Component InspectionNJEC0212KNOCK SENSORNJEC0212S01+Use an ohmmeter which can me

Page 1052 of 2898

NISSAN ALMERA 2001  Service Manual SEF058X
JEF112Y
Component DescriptionNJEC0551The crankshaft position sensor (POS) is located on the right-rear
wall of the cylinder block in relation to the signal plate at the rear
end of the cranksh