2001 NISSAN ALMERA o2 sensor

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Page 1180 of 2898

NISSAN ALMERA 2001  Service Manual SEF648Y
SEF011X
Without CONSULT-II
1) Start engine and warm it up to normal operating temperature.
2) Set voltmeter probes between ECM terminal 62 (HO2S1 sig-
nal) and engine ground.
3) Check the foll

Page 1181 of 2898

NISSAN ALMERA 2001  Service Manual DescriptionNJEC1223SYSTEM DESCRIPTIONNJEC1223S01
Sensor Input Signal to ECMECM func-
tionActuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)Engine speedHeated
oxygen
sensor 1
he

Page 1182 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC1228SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC1228S03
HEC852
HEATED OXYGEN SENSOR 1 HEATER (FRONT)QG
Wiring Diagram
EC-458

Page 1183 of 2898

NISSAN ALMERA 2001  Service Manual HATCHBACK MODELS WITH ECM IN CABINNJEC1228S04
HEC939
HEATED OXYGEN SENSOR 1 HEATER (FRONT)QG
Wiring Diagram (Contd)
EC-459

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NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC1229
1 CHECK OVERALL FUNCTION
1. Turn ignition switch ªONº.
2. Set the tester probe between ECM terminals 4 [HO2S1 Heater (front) signal] and ground.
3. Start engine and let

Page 1185 of 2898

NISSAN ALMERA 2001  Service Manual 3 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors F36, E75
+Harness connectors E106, M21 (Sedan), E175, M160 or F113, M169 (Hatchback)
+10A fuse
+Harness for open or short between

Page 1186 of 2898

NISSAN ALMERA 2001  Service Manual SEF327R
Component DescriptionNJEC1231The 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 1187 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC1237SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC1237S03
HEC853
HEATED OXYGEN SENSOR 2 (REAR)QG
Wiring Diagram
EC-463