2001 NISSAN ALMERA o2 sensor

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Page 1016 of 2898

NISSAN ALMERA 2001  Service Manual On Board Diagnosis LogicNJEC0183
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0141
0141+The current amperage in the heated oxygen sensor 2
heater (rear) circuit is out of the

Page 1017 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC0185SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC0185S03
HEC788
DTC P0141 HEATED OXYGEN SENSOR 2 HEATER (REAR)QG
Wiring Diagram
EC-293

Page 1018 of 2898

NISSAN ALMERA 2001  Service Manual HATCHBACK MODELS WITH ECM IN CABINNJEC0185S04
HEC942
DTC P0141 HEATED OXYGEN SENSOR 2 HEATER (REAR)QG
Wiring Diagram (Contd)
EC-294

Page 1019 of 2898

NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC0186
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect heated oxygen sensor 2 (rear) harness connector.
SEF160Z
3. Turn ignition switch ªONº.
4. Check volta

Page 1020 of 2898

NISSAN ALMERA 2001  Service Manual 4 DETECT MALFUNCTIONING PART
Check the harness for open or short between heated oxygen sensor 2 heater (rear) and ECM.
©Repair open circuit or short to ground or short to power in harness or connecto

Page 1021 of 2898

NISSAN ALMERA 2001  Service Manual On Board Diagnosis LogicNJEC0188With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedb

Page 1025 of 2898

NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC0191
1 CHECK EXHAUST AIR LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust air leak before three way catalyst.
SEF099P
OK or NG
OK©GO TO 2.
NG©Repair or repla

Page 1026 of 2898

NISSAN ALMERA 2001  Service Manual 4 CHECK FUEL PRESSURE
1. Release fuel pressure to zero.
Refer to EC-40.
2. Install fuel pressure gauge and check fuel pressure.
At idling:
When fuel pressure regulator valve vacuum hose is connected.