2001 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2001  Electronic Repair Manual SEC500C
Component DescriptionNJEC1737The intake air temperature sensor is built into the mass air flow
sensor. The sensor detects intake air temperature and transmits a
signal to the ECM.
The temperat

Page 666 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual Wiring DiagramNJEC1738
YEC985
INTAKE AIR TEMPERATURE SENSORQG
Wiring Diagram
EC-370

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NISSAN ALMERA N16 2001  Electronic Repair Manual Diagnostic ProcedureNJEC1739
1 CHECK OVERALL FUNCTION
1. Turn ignition switch ªONº.
2. Check voltage between ECM terminal 64 and ground with CONSULT-II or tester.
SEF004YA
OK or NG
OK©INSPECTION EN

Page 668 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 3 DETECT MALFUNCTIONING PART
Check harness for open or short between ECM and intake air temperature sensor.
©Repair harness or connectors.
4 CHECK GROUND CIRCUIT
1. Turn ignition switch ªOFFº.
2. C

Page 669 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual SEF463R
SEF288D
Component DescriptionNJEC1214The heated oxygen sensor 1 (front) is placed into the exhaust
manifold. It detects the amount of oxygen in the exhaust gas com-
pared to the outside air. T

Page 670 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual Wiring DiagramNJEC1220
YEC986
HEATED OXYGEN SENSOR 1 (FRONT)QG
Wiring Diagram
EC-374

Page 671 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual Diagnostic ProcedureNJEC1221
1 INSPECTION START
Do you have CONSULT-II?
YesorNo
Ye s©GO TO 2.
No©GO TO 3.
2 CHECK OVERALL FUNCTION
With CONSULT-II
1. Start engine and warm it up to normal operating

Page 672 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 4 RETIGHTEN GROUND SCREWS
1. Turn ignition switch ªOFFº.
2. Loosen and retighten engine ground screws.
JEF104Y
3. Disconnect heated oxygen sensor 1 (front) harness connector.
SEF012XA
©GO TO 5.
5 R