2001 NISSAN ALMERA Service Manual

Page 913 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC0056SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC0056S01
HEC781
DTC P0100 MASS AIR FLOW SENSOR (MAFS)QG
Wiring Diagram
EC-189

Page 914 of 2898

NISSAN ALMERA 2001  Service Manual HATCHBACK MODELS WITH ECM IN CABINNJEC0056S02
HEC973
DTC P0100 MASS AIR FLOW SENSOR (MAFS)QG
Wiring Diagram (Contd)
EC-190

Page 915 of 2898

NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC0057
1 INSPECTION START
Which malfunction (A, or B) is duplicated?
Malfunction A or B
A©GO TO 3.
B©GO TO 2.
2 CHECK INTAKE SYSTEM
Check the following for connection.
+Air duc

Page 916 of 2898

NISSAN ALMERA 2001  Service Manual 4 CHECK POWER SUPPLY
1. Disconnect mass air flow sensor harness connector.
JEF105Y
2. Turn ignition switch ªONº.
3. Check voltage between terminal 2, 4 and ground with CONSULT-II or tester.
SEF297X

Page 917 of 2898

NISSAN ALMERA 2001  Service Manual 7 CHECK INPUT SIGNAL CIRCUIT
1. Check harness continuity between mass air flow sensor harness connector terminal 1 and ECM terminal 61.
Refer to wiring diagram.
Continuity should exist.
2. Also check

Page 918 of 2898

NISSAN ALMERA 2001  Service Manual SEF206T
Component DescriptionNJEC0066MODELS WITH INTAKE AIR TEMPERATURE SENSOR
ON INTAKE AIR DUCT
NJEC0066S01The intake air temperature sensor is mounted to the air duct hous-
ing. The sensor detects

Page 919 of 2898

NISSAN ALMERA 2001  Service Manual CAUTION:
Do not use ECM ground terminals when measuring input/
output voltage. Doing so may result in damage to the ECMs
transistor. Use a ground other than ECM terminals, such as
the ground.
On Boar

Page 920 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC0069MODELS WITH INTAKE AIR TEMPERATURE SENSOR
ON INTAKE AIR DUCT
NJEC0069S01
HEC782
DTC P0110 INTAKE AIR TEMPERATURE SENSORQG
Wiring Diagram
EC-196