2001 NISSAN ALMERA TINO Service Repair Manual

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Page 1657 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF437Y
DescriptionNLEC0700SYSTEM DESCRIPTIONNLEC0700S01The ECM and the electronic control fuel injection pump control unit
(abbreviated as the injection pump control unit) perform the real
time commu

SEF437Y
DescriptionNLEC0700SYSTEM DESCRIPTIONNLEC0700S01The ECM and the electronic control fuel injection pump control unit
(abbreviated as the injection pump control unit) perform the real
time communication (signal exchange).
The ECM transmits the signals of the target fuel injection amount,
target fuel injection timing, and engine speed, etc., and receives
the signals of the pump speed and fuel temperature, etc. from the
injection pump control unit.
By those signals, the injection pump controls the optimum fuel
injection amount and injection timing of the spill valve and timing
control valve.
Injection pump control unit has an on board diagnostic system,
which detects malfunctions related to sensors or actuators built-into
electronic control fuel injection pump. These malfunction informa-
tion are transferred through the line (circuit) from injection pump
control unit to ECM.
FUEL INJECTION AMOUNT CONTROLNLEC0700S02In accordance with the target fuel injection amount signal from the
ECM, the injection amount is controlled by controlling the spill valve
in the injection pump and by changing the needle opening time.
FUEL INJECTION TIMING CONTROLNLEC0700S03Based on the target fuel injection timing signal from the ECM, the
injection timing is controlled in accordance with the timer spring by
performing the duty control of the timing control valve in the injec-
tion pump and by adjusting the pressure of the timer piston high
pressure chamber.
FUEL TEMPERATURE SENSORNLEC0700S04The sensor detects the fuel temperature in the injection pump and
calibrates the injection amount change by the fuel temperature.
CAM RING POSITION SENSORNLEC0700S05The sensor detects the passing of the protrusion on the sensor
wheel in the injection pump by the semiconductor magnetic resis-
tance element sensor. The cam ring position sensor synchronizes
with the cam ring, and detects the actual advance amount. The
injection pump control unit measures the injection pump revolution
by the signal of the cam ring position sensor.
CONSULT-II Reference Value in Data Monitor
Mode
NLEC0701Remarks: Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
FUEL TEMP SEN+Engine: After warming up More than 40ÉC (104ÉF)
SPILL/V+Engine: After warming up, idle the engine. Approx. 12 - 13ÉCA
INT/A VOLUME+Engine: After warming up, idle the engine. Approx. 150 - 450 mg/st
F/CUT SIGNAL+Engine: After warming up Idle ON
DTC P1337 P2´DTC PULSE SIGYD22DDTI
Description
EC-1232

Page 1658 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual MONITOR ITEM CONDITION SPECIFICATION
BARO SEN+Ignition switch: ONAltitude
Approx.0m(0ft): Approx. 100.62
kPa (1.0062 bar, 1.026 kg/cm
2,
14.59 psi)
Approx. 1,000 m (3,281 ft): Approx.
88.95 kPa (0.889

MONITOR ITEM CONDITION SPECIFICATION
BARO SEN+Ignition switch: ONAltitude
Approx.0m(0ft): Approx. 100.62
kPa (1.0062 bar, 1.026 kg/cm
2,
14.59 psi)
Approx. 1,000 m (3,281 ft): Approx.
88.95 kPa (0.8895 bar, 0.907
kg/cm
2, 12.90 psi)
Approx. 1,500 m (4,922 ft): Approx.
83.16 kPa (0.8316 bar, 0.848
kg/cm
2, 12.06 psi)
Approx. 2,000 m (6,562 ft): Approx.
78.36 kPa (0.7836 bar, 0.799
kg/cm
2, 11.36 psi)
ECM Terminals and Reference ValueNLEC0702Specification 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)
313 L/WElectronic control fuel
injection pump[Engine is running]
+Warm-up condition
+Idle speedApproximately 0.1V
314 L/RElectronic control fuel
injection pump[Engine is running]
+Warm-up condition
+Idle speedApproximately 0.4V
316 PUElectronic control fuel
injection pump[Engine is running]
+Warm-up condition
+Idle speedApproximately 2.5V
317 PElectronic control fuel
injection pump[Engine is running]
+Warm-up condition
+Idle speedApproximately 2.5V
On Board Diagnosis LogicNLEC0703
DTC Malfunction is detected when .... Check Items (Possible cause)
P1337
0702+Injection pump control unit input signal [Crank-
shaft position sensor (TDC) signal] processing
function is malfunctioning.+Harness or connectors
(Electronic control fuel injection pump circuit is
open or shorted.)
+Electronic control fuel injection pump
SEF817Y
DTC Confirmation ProcedureNLEC0704WITH CONSULT-IINLEC0704S011) Turn ignition switch ªONº and wait at least 2 seconds.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
4) If DTC P0335 is detected, go to ªDiagnostic procedureº,
EC-1169.
If DTC P1337 is detected, go to ªDiagnostic Procedureº,
EC-1237.
DTC P1337 P2´DTC PULSE SIGYD22DDTI
CONSULT-II Reference Value in Data Monitor Mode (Cont'd)
EC-1233

Page 1659 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual WITHOUT CONSULT-IINLEC0704S021) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch

Page 1660 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Wiring DiagramNLEC0705MODELS WITH ECM IN ENGINE COMPARTMENTNLEC0705S01
YEC726
DTC P1337 P2´DTC PULSE SIGYD22DDTI
Wiring Diagram
EC-1235

Page 1661 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual MODELS WITH ECM IN CABINNLEC0705S02
YEC862
DTC P1337 P2´DTC PULSE SIGYD22DDTI
Wiring Diagram (Contd)
EC-1236

Page 1662 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Diagnostic ProcedureNLEC0706
1 CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect electronic control fuel injection pump harness connector

Page 1663 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual 4 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground

Page 1664 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF437Y
DescriptionNLEC0693SYSTEM DESCRIPTIONNLEC0693S01The ECM and the electronic control fuel injection pump control unit
(abbreviated as the injection pump control unit) perform the real
time commu

SEF437Y
DescriptionNLEC0693SYSTEM DESCRIPTIONNLEC0693S01The ECM and the electronic control fuel injection pump control unit
(abbreviated as the injection pump control unit) perform the real
time communication (signal exchange).
The ECM transmits the signals of the target fuel injection amount,
target fuel injection timing, and engine speed, etc., and receives
the signals of the pump speed and fuel temperature, etc. from the
injection pump control unit.
By those signals, the injection pump controls the optimum fuel
injection amount and injection timing of the spill valve and timing
control valve.
Injection pump control unit has an on board diagnostic system,
which detects malfunctions related to sensors or actuators built-into
electronic control fuel injection pump. These malfunction informa-
tion are transferred through the line (circuit) from injection pump
control unit to ECM.
FUEL INJECTION AMOUNT CONTROLNLEC0693S02In accordance with the target fuel injection amount signal from the
ECM, the injection amount is controlled by controlling the spill valve
in the injection pump and by changing the needle opening time.
FUEL INJECTION TIMING CONTROLNLEC0693S03Based on the target fuel injection timing signal from the ECM, the
injection timing is controlled in accordance with the timer spring by
performing the duty control of the timing control valve in the injec-
tion pump and by adjusting the pressure of the timer piston high
pressure chamber.
FUEL TEMPERATURE SENSORNLEC0693S04The sensor detects the fuel temperature in the injection pump and
calibrates the injection amount change by the fuel temperature.
CAM RING POSITION SENSORNLEC0693S05The sensor detects the passing of the protrusion on the sensor
wheel in the injection pump by the semiconductor magnetic resis-
tance element sensor. The cam ring position sensor synchronizes
with the cam ring, and detects the actual advance amount. The
injection pump control unit measures the injection pump revolution
by the signal of the cam ring position sensor.
CONSULT-II Reference Value in Data Monitor
Mode
NLEC0694Remarks: Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
FUEL TEMP SEN+Engine: After warming up More than 40ÉC (104ÉF)
SPILL/V+Engine: After warming up, idle the engine. Approx. 12 - 13ÉCA
INT/A VOLUME+Engine: After warming up, idle the engine. Approx. 150 - 450 mg/st
F/CUT SIGNAL+Engine: After warming up Idle ON
DTC P1341 P1´CAM POS SENYD22DDTI
Description
EC-1239

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