2001 NISSAN ALMERA Service Manual

Page 1201 of 2898

NISSAN ALMERA 2001  Service Manual Wiring DiagramNJEC1254
HEC855
SWIRL CONTROL VALVE CONTROL SYSTEM (WHERE FITTED)QG
Wiring Diagram
EC-477

Page 1202 of 2898

NISSAN ALMERA 2001  Service Manual Diagnostic ProcedureNJEC1255
1 INSPECTION START
Do you have CONSULT-II?
YesorNo
Ye s©GO TO 2.
No©GO TO 3.
2 CHECK OVERALL FUNCTION
With CONSULT-II
1. Start engine and let it idle.
2. Select ªSWIRL

Page 1203 of 2898

NISSAN ALMERA 2001  Service Manual 3 CHECK OVERALL FUNCTION
Without CONSULT-II
1. Disconnect engine coolant temperature sensor harness connector.
2. Connect a resistor (1.5 - 2.0 kW) between terminals of engine coolant temperature sens

Page 1204 of 2898

NISSAN ALMERA 2001  Service Manual 4 CHECK VACUUM EXISTENCE
With CONSULT-II
1. Reconnect the disconnected harness connectors.
2. Start engine and let it idle.
3. Remove vacuum hose connected to swirl control valve actuator.
4. Select

Page 1205 of 2898

NISSAN ALMERA 2001  Service Manual 5 CHECK POWER SUPPLY
1. Disconnect swirl control valve control solenoid valve harness connector.
2. Turn ignition switch ªONº.
3. Check voltage between terminal 2 and ground with CONSULT-II or teste

Page 1206 of 2898

NISSAN ALMERA 2001  Service Manual 10 CHECK HOSES
Check hoses and tubes between intake manifold, and swirl control valve actuator for crack, clogging, improper connection
or disconnection.
SEF109L
OK or NG
OK©GO TO 11.
NG©Repair hose

Page 1207 of 2898

NISSAN ALMERA 2001  Service Manual SEF105X
SWIRL CONTROL VALVE CONTROL SOLENOID VALVENJEC1256S02Check solenoid valve air passage continuity.
With CONSULT-II
Turn ignition switch ªONº and perform ªSWIRL CONT SOL/Vº in
ªACTIVE TEST

Page 1208 of 2898

NISSAN ALMERA 2001  Service Manual SEF058X
JEF835Z
Component DescriptionNJEC1741The crankshaft position sensor (POS) is located on the right-rear
wall of the cylinder block in relation to the signal plate at the rear
end of the cranksh