2001 NISSAN ALMERA o2 sensor

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Page 1008 of 2898

NISSAN ALMERA 2001  Service Manual SEF327R
Component DescriptionNJEC0171The heated oxygen sensor 2 (rear), after three way catalyst, moni-
tors the oxygen level in the exhaust gas.
Even if switching characteristics of the heated oxygen

Page 1009 of 2898

NISSAN ALMERA 2001  Service Manual SEF189Y
DTC Confirmation ProcedureNJEC0175NOTE:
If ªDTC Confirmation Procedure º has been previously conducted,
always turn ignition switch ªOFFº and wait at least 9 seconds
before conducting the

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NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC0177SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC0177S03
HEC787
DTC P0140 HEATED OXYGEN SENSOR 2 (REAR) (HIGH VOLTAGE)QG
Wiring Diagram
EC-286

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NISSAN ALMERA 2001  Service Manual HATCHBACK MODELS WITH ECM IN CABINNJEC0177S04
HEC940
DTC P0140 HEATED OXYGEN SENSOR 2 (REAR) (HIGH VOLTAGE)QG
Wiring Diagram (Contd)
EC-287

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NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC0178
1 RETIGHTEN GROUND SCREWS
1. Turn ignition switch ªOFFº.
2. Loosen and retighten engine ground screws.
JEF104Y
©GO TO 2.
2 CHECK INPUT SIGNAL CIRCUIT
1. Disconnect heat

Page 1013 of 2898

NISSAN ALMERA 2001  Service Manual 4 CHECK GROUND CIRCUIT
1. Check harness continuity between heated oxygen sensor 2 (rear) harness connector terminal 4 and engine ground.
Refer to wiring diagram.
Continuity should exist.
2. Also check

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NISSAN ALMERA 2001  Service Manual SEF244YA
SEF032X
Without CONSULT-II
1) Start engine and drive vehicle at a speed of more than 70 km/h
(43 MPH) for 2 consecutive minutes.
2) Stop vehicle with engine running.
3) Set voltmeter probes b

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NISSAN ALMERA 2001  Service Manual DescriptionNJEC0180SYSTEM DESCRIPTIONNJEC0180S01
Sensor Input Signal to ECMECM func-
tionActuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)Engine speedHeated
oxygen
sensor 2
he