2001 NISSAN ALMERA TINO Service Repair Manual

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Page 1265 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual 3 DETECT MALFUNCTIONING PART
Check the following.
+15A fuse
+Harness connectors E76, F36
+ECM relay
+Harness for open or short between EGR volume control valve and fuse
©Repair harness or connectors

Page 1266 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual DescriptionNLEC1553SYSTEM DESCRIPTIONNLEC1553S01
Sensor Input Signal to ECMECM func-
tionActuator
Crankshaft position sensor Engine speed
EGR vol-
ume controlEGR volume control valve Mass air flow sen

Page 1267 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF552W
COMPONENT DESCRIPTIONNLEC1553S02EGR Volume Control ValveNLEC1553S0201The EGR volume control valve uses a step motor to control the flow
rate of EGR from exhaust manifold. This motor has four w

SEF552W
COMPONENT DESCRIPTIONNLEC1553S02EGR Volume Control ValveNLEC1553S0201The EGR volume control valve uses a step motor to control the flow
rate of EGR from exhaust manifold. This motor has four winding
phases. It operates according to the output pulse signal of the
ECM. Two windings are turned ON and OFF in sequence. Each
time an ON pulse is issued, the valve opens or closes, changing
the flow rate. When no change in the flow rate is needed, the ECM
does not issue the pulse signal. A certain voltage signal is issued
so that the valve remains at that particular opening.
CONSULT-II Reference Value in Data Monitor
Mode
NLEC1554Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
EGR VOL CON/V+Engine: After warming up
+Shift lever: ªNº
+No-loadIdle 0 step
Revving engine up to 3,000 rpm
quickly10 - 55 step
ECM Terminals and Reference ValueNLEC1555Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TERMI-
NAL NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
8
9
17
18SB
W/B
R/W
G/REGR volume control valve[Engine is running]
+Warm-up condition
+Idle speed0 - 14V
On Board Diagnosis LogicNLEC1556
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0403
0403+An improper voltage signal is sent to ECM through the
valve.+Harness or connectors
(The EGR volume control valve circuit is open or
shorted.)
+EGR volume control valve
SEF058Y
DTC Confirmation ProcedureNLEC1557NOTE:
If ªDTC Confirmation Procedureº has been previously conducted,
always turn ignition switch ªOFFº and wait at least 10 seconds
before conducting the next test.
With CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and warm it up to normal operating temperature.
4) Rev engine from idle to 2,000 rpm 20 times.
DTC P0403 EGR VOLUME CONTROL VALVE (CIRCUIT)
(WHERE FITTED)
SR20DE
Description (Cont'd)
EC-842

Page 1268 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual If 1st trip DTC is detected, go to ªDIAGNOSTIC
PROCEDUREº, EC-845.
With GST
Follow the procedure ªWith CONSULT-IIº above.
No Tools
1) Start engine and warm it up to normal operating temperature.
2

Page 1269 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Wiring DiagramNLEC1558
YEC701
DTC P0403 EGR VOLUME CONTROL VALVE (CIRCUIT)
(WHERE FITTED)
SR20DE
Wiring Diagram
EC-844

Page 1270 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Diagnostic ProcedureNLEC1559
1 CHECK POWER SUPPLY
1. Disconnect EGR volume control valve harness connector.
SEF216X
2. Turn ignition switch ªONº.
3. Check voltage between terminals 2, 5 and ground w

Page 1271 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual 4 CHECK EGR VOLUME CONTROL VALVE
Refer to ªCOMPONENT INSPECTIONº, EC-847.
OK or NG
OK©GO TO 5.
NG©Replace EGR volume control valve.
5 CHECK INTERMITTENT INCIDENT
Perform ªTROUBLE DIAGNOSIS FOR IN

Page 1272 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF216X
SEF783Z
SEF015Y
SEF560W
Component InspectionNLEC1560EGR VOLUME CONTROL VALVENLEC1560S01With CONSULT-II
1) Disconnect EGR volume control valve harness connector.
2) Check resistance between the

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