2001 NISSAN ALMERA Service Manual

Page 1193 of 2898

NISSAN ALMERA 2001  Service Manual DescriptionNJEC1240SYSTEM DESCRIPTIONNJEC1240S01
Sensor Input Signal to ECMECM func-
tionActuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)Engine speedHeated
oxygen
sensor 2
he

Page 1194 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC1245SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC1245S03
HEC854
HEATED OXYGEN SENSOR 2 HEATER (REAR)QG
Wiring Diagram
EC-470

Page 1195 of 2898

NISSAN ALMERA 2001  Service Manual HATCHBACK MODELS WITH ECM IN CABINNJEC1245S04
HEC943
HEATED OXYGEN SENSOR 2 HEATER (REAR)QG
Wiring Diagram (Contd)
EC-471

Page 1196 of 2898

NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC1246
1 CHECK OVERALL FUNCTION
Without CONSULT-II
1. Start engine and drive the vehicle at over 70 km/h (43 MPH) for 2 consecutive minutes.
2. Stop vehicle and keep the engine r

Page 1197 of 2898

NISSAN ALMERA 2001  Service Manual 3 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E75, F36
+Harness connectors M21, E106 (Sedan), M160, E175 (Hatchback)
+Harness for open or short between heated oxygen sensor 2 (

Page 1198 of 2898

NISSAN ALMERA 2001  Service Manual SEF221W
Component InspectionNJEC1247HEATED OXYGEN SENSOR 2 HEATER (REAR)NJEC1247S01Check the following.
1. Check resistance between terminals 1 and 4.
Resistance: 2.3 - 4.3Wat 25ÉC (77ÉF)
2. Check c

Page 1199 of 2898

NISSAN ALMERA 2001  Service Manual DescriptionNJEC1248SYSTEM DESCRIPTIONNJEC1248S01
Sensor Input Signal to ECMECM func-
tionActuator
Throttle position sensor Throttle position
Swirl con-
trol valve
system
controlSwirl control valve con

Page 1200 of 2898

NISSAN ALMERA 2001  Service Manual ECM Terminals and Reference Value=NJEC1250Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/outpu