2001 NISSAN ALMERA o2 sensor

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NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC1744
1 CHECK OVERALL FUNCTION
1. Start engine and let it idle.
2. Check voltage between ECM terminal 85 and ground.
SEF761Z
OK or NG
OK©INSPECTION END
NG©GO TO 2.
2 RETIGHTEN

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NISSAN ALMERA 2001  Service Manual 3 CHECK POWER SUPPLY
1. Disconnect crankshaft position sensor harness connector.
JEF835Z
2. Turn ignition switch ªONº.
3. Check voltage between terminal 3 and ground with CONSULT-II or tester.
SEF11

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NISSAN ALMERA 2001  Service Manual 5 CHECK INPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connectors.
JEF835Z
3. Check continuity between ECM terminal 85 and crankshaft position sensor harness connector

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NISSAN ALMERA 2001  Service Manual SEF121X
Component InspectionNJEC1745CRANKSHAFT POSITION SENSOR (POS)NJEC1745S011. Disconnect crankshaft position sensor (POS) harness connec-
tor.
2. Loosen the fixing bolt of the sensor.
3. Remove th

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NISSAN ALMERA 2001  Service Manual DescriptionNJEC1746SYSTEM DESCRIPTIONNJEC1746S01
Sensor Input Signal to ECMECM func-
tionActuator
Crankshaft position sensor (POS) Engine speed
EGR vol-
ume controlEGR volume control valve Camshaft po

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NISSAN ALMERA 2001  Service Manual SEF552W
COMPONENT DESCRIPTIONNJEC1746S02EGR Volume Control ValveNJEC1746S0201The EGR volume control valve uses a step motor to control the flow
rate of EGR from exhaust manifold. This motor has four w

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NISSAN ALMERA 2001  Service Manual ECM Terminals and Reference ValueNJEC1748Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output

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NISSAN ALMERA 2001  Service Manual 3 CHECK OVERALL FUNCTION-II
With CONSULT-II
1. Warm up engine to normal operating temperature.
2. Select ªEGR VOL CONT/Vº in ªACTIVE TESTº mode with CONSULT-II.
3. Keep engine speed at 2,000 rpm a