2001 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2001  Electronic Repair Manual DescriptionNJEC0279SYSTEM DESCRIPTIONNJEC0279S01
Sensor Input Signal to ECMECM func-
tionActuator
Crankshaft position sensor (POS) Engine speed
Idle air
controlIACV-AAC valve Camshaft position sensor

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NISSAN ALMERA N16 2001  Electronic Repair Manual CONSULT-II Reference Value in Data Monitor
Mode
NJEC0280
MONITOR ITEM CONDITION SPECIFICATION
IACV-AAC/V+Engine: After warming up
+Air conditioner switch: OFF
+Shift lever: ªNº
+No-loadIdle 5 - 25 s

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NISSAN ALMERA N16 2001  Electronic Repair Manual Wiring DiagramNJEC0284
YEC979
DTC P0505 IDLE AIR CONTROL VALVE (IACV) Ð AUXILIARY AIR CONTROL
(AAC) VALVE
QG
Wiring Diagram
EC-315

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NISSAN ALMERA N16 2001  Electronic Repair Manual Diagnostic ProcedureNJEC0285
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect IACV-AAC valve harness connector.
NEF316A
3. Turn ignition switch ªONº.
4. Check voltage between term

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NISSAN ALMERA N16 2001  Electronic Repair Manual 4 CHECK AIR CONTROL VALVE (POWER STEERING) OPERATION-I
1. Reconnect the ECM harness connector and IACV-AAC valve harness connector.
2. Disconnect the vacuum hose connected to the air control valve (Po

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NISSAN ALMERA N16 2001  Electronic Repair Manual 6 CHECK VACUUM PORT
1. Stop engine.
2. Disconnect the vacuum hose connected to the air control valve (Power steering) at the vacuum port.
3. Blow air into vacuum port.
4. Check that air flows freely.

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NISSAN ALMERA N16 2001  Electronic Repair Manual 9 REPLACE IACV-AAC VALVE
1. Replace IACV-AAC valve assembly.
2. Perform ªIdle Air Volume Learningº, EC-55.
Is the result CMPLT or INCMP?
CMPLT or INCMP
CMPLT©INSPECTION END
INCMP©Follow the constr

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NISSAN ALMERA N16 2001  Electronic Repair Manual SEF605Y
SEF089X
Component InspectionNJEC0286IACV-AAC VALVENJEC0286S011) Disconnect IACV-AAC valve harness connector.
2) Check IACV-AAC valve resistance.
Condition Resistance
Terminal 2 and terminals 1