2003 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2003  Electronic Repair Manual 5 CHECK ECM POWER SUPPLY CIRCUIT-II
1. Reconnect ECM harness connector.
2. Turn ignition switch “ON” and then “OFF”.
3. Check voltage between ECM terminals 107, 108, 109 and ground with CONSUL

Page 1130 of 3189

NISSAN ALMERA N16 2003  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

Page 1131 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual 13 CHECK ECM POWER SUPPLY CIRCUIT-V
1. Turn ignition switch “OFF”.
2. Disconnect ECM relay. (For ECM relay location, refer to “Engine ControlComponent Parts Location”.)
3. Disconnect ECM harne

Page 1132 of 3189

NISSAN ALMERA N16 2003  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

Page 1133 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual SEF817Y
DTC Confirmation ProcedureNJEC0646WITH CONSULT-IINJEC0646S011) Turn ignition switch “ON”, and wait at least 6 seconds.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Start engine an

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NISSAN ALMERA N16 2003  Electronic Repair Manual Wiring DiagramNJEC0647
YEC322A
DTC P0100 MASS AIR FLOW SENYD
Wiring Diagram
EC-80

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NISSAN ALMERA N16 2003  Electronic Repair Manual Diagnostic ProcedureNJEC0648
1 CHECK MAFS POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect mass air flow sensor harness connector.
SEF884Y
3. Turn ignition switch “ON”.
4. Che

Page 1136 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual 3 CHECK MAFS GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
SEF380Y
3. Check harness continuity between mass air flow sensor termina