2001 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2001  Electronic Repair Manual WIRING DIAGRAMNJEC0640
YEC009A
TROUBLE DIAGNOSIS FOR POWER SUPPLYYD
Main Power Supply and Ground Circuit (Contd)
EC-561

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NISSAN ALMERA N16 2001  Electronic Repair Manual DIAGNOSTIC PROCEDURENJEC0641
1 INSPECTION START
Start engine.
Is engine running?
YesorNo
Ye s©GO TO 13.
No©GO TO 2.
2 CHECK ECM POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ªONº.
2. Check voltag

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NISSAN ALMERA N16 2001  Electronic Repair Manual 5 CHECK ECM POWER SUPPLY CIRCUIT-II
1. Reconnect ECM harness connector.
2. Turn ignition switch ªONº and then ªOFFº.
3. Check voltage between ECM terminals 107, 108, 109 and ground with CONSULT-II

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NISSAN ALMERA N16 2001  Electronic Repair Manual 8 CHECK OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 325 and ECM relay terminal 2. Refer to Wiring Diagram.
Continuity

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NISSAN ALMERA N16 2001  Electronic Repair Manual 13 CHECK ECM POWER SUPPLY CIRCUIT-V
1. Turn ignition switch ªOFFº.
2. Disconnect ECM relay. (For ECM relay location, refer to ªEngine Control Component Parts Locationº.)
3. Disconnect ECM harness

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NISSAN ALMERA N16 2001  Electronic Repair Manual SEF987W
Component DescriptionNJEC0642The mass air flow sensor (MAFS) is placed in the stream of intake
air. It measures the intake air flow rate by measuring a part of the
entire intake air flow. It c

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NISSAN ALMERA N16 2001  Electronic Repair Manual 3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º with
ECM.
5) If DTC is detected, go to ªDiagnostic Proc

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NISSAN ALMERA N16 2001  Electronic Repair Manual Wiring DiagramNJEC0647
YEC010A
DTC P0100 MASS AIR FLOW SENYD
Wiring Diagram
EC-568