engine NISSAN TERRANO 2004 Service Repair Manual
[x] Cancel search | Manufacturer: NISSAN, Model Year: 2004, Model line: TERRANO, Model: NISSAN TERRANO 2004Pages: 1833, PDF Size: 53.42 MB
Page 478 of 1833

4 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors M787, F66 (LHD models)
I Harness connectors F108, E225
I Harness connectors E220, E231
I Harness connectors M842, F135 (RHD models)
I Harness for open or short between electronic control fuel injection pump and ECM
I Harness for open or short between electronic control fuel injection pump and ECM relay
ERepair open circuit or short to ground or short to power in harness or connectors.
5 CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Check harness continuity between electronic control fuel injection pump terminal 6 and ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK EGO TO 7.
NG EGO TO 6.
6 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E231, E220
I Harness for open or short between electronic control fuel injection pump and engine ground
ERepair open circuit or short to ground or short to power in harness or connectors.
7 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0444
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK EGO TO 9.
NG EGO TO 8.
8 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E231, E220
I Harness connectors E227, F106
I Harness connectors F135, M842 (RHD models)
I Harness for open or short between electronic control fuel injection pump and ECM
ERepair open circuit or short to ground or short to power in harness or connectors.
DTC 0707 P7×F/INJ TIMG FBZD30DDTi
Diagnostic Procedure (Cont'd)
EC-203
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Page 480 of 1833

Description
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the engine.
On Board Diagnosis Logic
Malfunction is detected when ...Check Items (Possible Cause)
I An excessively high or low voltage from the absolute pressure
sensor (built-into ECM) is sent to ECM. I
ECM
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and wait at least 2 seconds.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-206.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and wait at least 2 seconds.
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 Procedureº, EC-206.
SEC220B
SEF817Y
DTC 0802 ECM 10ZD30DDTi
EC-205
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Page 482 of 1833

Description
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the engine.
On Board Diagnosis Logic
Malfunction is detected when ...Check Items (Possible Cause)
I ECM input signal processing function is malfunctioning. IECM
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Wait at least 1 second.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-208.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 1 second.
2) Turn ignition switch ªOFFº, wait at least 5 seconds and then turn
ªONº.
3) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º with ECM.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-208.
SEC220B
SEF817Y
DTC 0804 ECM 11ZD30DDTi
EC-207
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Page 493 of 1833

Description
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the engine.
On Board Diagnosis Logic
Malfunction is detected when ...Check Items (Possible Cause)
I ECM input signal processing function is malfunctioning. IECM
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Turn ignition switch ªOFFº, wait at least 20 seconds and then
turn ªONº.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-219.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Turn ignition switch ªOFFº, wait at least 20 seconds and then turn ªONº.
3) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º with ECM.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-219.
SEC220B
SEF817Y
DTC 0903 ECM 15ZD30DDTi
EC-218
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Page 495 of 1833

Component Description
The charge air pressure sensor detects pressure in the exit side of
the charge air cooler. The sensor output voltage to the ECM
increases as pressure increases. The charge air pressure sensor
is not used to control the engine system under normal conditions.
ECM Terminals and Reference Value
Specification 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 damage the
ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
46 G Charge air pressure sen-
sor Engine is running.
Warm-up condition
Idle speed
Approximately 2.0V
On Board Diagnosis Logic
Malfunction is detected when ...
Check Items (Possible Cause)
I An excessively high or low voltage from the sensor is sent to
ECM. I
Harness or connectors
(The sensor circuit is open or shorted.)
I Charge air pressure sensor
SEF340VA
SEF627RA
DTC 0905 TURBO PRESSUREZD30DDTi
EC-220
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Page 499 of 1833

Diagnostic Procedure
1 CHECK CHARGE AIR PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Stop engine.
2. Disconnect charge air pressure sensor harness connector.
SEF283Z
3. Turn ignition switch ªONº.
4. Check voltage between charge air pressure sensor terminal 1 and ground with CONSULT-II or tester.
SEF306Z
OK or NG
OK EGO TO 3.
NG EGO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E225, F108
I Harness connectors F135, M842 (RHD models)
I Harness for open or short between charge air pressure sensor and ECM
ERepair open circuit or short to ground or short to power in harness or connectors.
3 CHECK CHARGE AIR PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Check harness continuity between charge air pressure sensor terminal 3 and engine ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK EGO TO 5.
NG EGO TO 4.
DTC 0905 TURBO PRESSUREZD30DDTi
EC-224
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Page 500 of 1833

4 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E225, F108
I Harness connectors F135, M852 (RHD models)
I Harness for open or short between ECM and charge air pressure sensor
ERepair open circuit or short to ground or short to power in harness or connectors.
5 CHECK CHARGE AIR PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 46 and charge air pressure sensor terminal 2. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK EGO TO 7.
NG EGO TO 6.
6 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors E225, F108
I Harness connectors F135, M842 (RHD models)
I Harness for open or short between charge air pressure sensor and ECM
ERepair open circuit or short to ground or short to power in harness or connectors.
7 CHECK CHARGE AIR PRESSURE SENSOR
1. Remove charge air pressure sensor with its harness connector connected.
2. Turn ignition switch ªONº.
3. Use pump to apply pressure to charge air pressure sensor as shown in the figure.
CAUTION:
IAlways calibrate the pressure pump gauge when using it.
I Inspection should be done at room temperature [10 - 30ÉC (50 - 86ÉF)].
4. Check the output voltage between charge air pressure sensor terminal 2 and engine ground.
SEF449Z
OK or NG
OK EGO TO 8.
NG EReplace charge air pressure sensor.
DTC 0905 TURBO PRESSUREZD30DDTi
Diagnostic Procedure (Cont'd)
EC-225
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Page 502 of 1833

Description
SYSTEM DESCRIPTION
SensorInput Signal to ECMECM FunctionActuator
Electronic controlled fuel injection pump Fuel injection signal
EGR volume
controlEGR volume control valve
Crankshaft position sensor (TDC) Engine speed
Vehicle speed sensor
Vehicle speed
Engine coolant temperature sensor Engine coolant temperature
Ignition switch Start signal
Throttle position sensor Throttle position
Battery Battery voltage
Mass air flow sensor Amount of intake air
Air conditioner switch Air conditioner operation
Electrical load Electrical load signal
PNP switch Park/Neutral position signal
This system controls flow rate of EGR led from exhaust manifold
to intake manifold. The opening of the EGR by-pass passage in the
EGR volume control valve changes to control the flow rate. A
built-in step motor moves the valve in steps corresponding to the
ECM output pulses. The opening of the valve varies for optimum
engine control. The optimum value stored in the ECM is determined
by considering various engine conditions.
The EGR volume control valve remains close under the following
conditions.
IEngine stopped
I Engine starting
I Low engine coolant temperature
I Excessively high engine coolant temperature
I High engine speed
I Wide open throttle
I Low battery voltage
COMPONENT DESCRIPTION
EGR volume control valve
The 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.
SEF908Y
SEF411Y
DTC 1003 EGR VOLUME CONT/VZD30DDTi
EC-227
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Page 503 of 1833

CONSULT-II Reference Value in Data Monitor
Mode
Specification data are reference values.
MONITOR ITEMCONDITION SPECIFICATION
EGR VOL CON/V I
Engine: After warming up
I Air conditioner switch: ªOFFº
I Shift lever: Neutral position
I No-load After 1 minute at idle More than 10 steps
Revving engine up to 3,200 rpm
quickly
0 step
ECM Terminals and Reference Value
Specification 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 damage the
ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
103 R/Y (LHD
mod-
els)
L/R
(RHD
mod-
els) EGR volume control valve
Engine is running.
Warm-up condition
Idle speed 0.1 - 14V
105
109 11 5 G/Y
Y/B
R/L
On Board Diagnosis Logic
DTC No.
Malfunction is detected when ... Check Items (Possible Cause)
1003 IAn excessively low voltage signal is sent to ECM. IHarness or connectors
(The EGR volume control valve circuit is open or
shorted.)
I EGR volume control valve
DTC 1003 EGR VOLUME CONT/VZD30DDTi
EC-228
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Page 504 of 1833

DTC Confirmation Procedure
WITH CONSULT-II
1) Start engine and warm it up to normal operating temperature.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Turn ignition switch ªOFFº, and immediately turn ªONº within 1second.
4) Start engine and let it idle.
5) If DTC is detected, go to ªDiagnostic Procedureº, EC-232.
WITHOUT CONSULT-II
1) Start engine and warm it up to normal operating temperature.
2) Turn ignition switch ªOFFº, and immediately turn ªONº within 1 second.
3) Start engine and let it idle.
4) Turn ignition switch ªOFFº, wait at least 5 seconds and then turn ªONº.
5) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º with ECM.
6) If DTC is detected, go to ªDiagnostic Procedureº, EC-232.SEF817Y
DTC 1003 EGR VOLUME CONT/VZD30DDTi
EC-229
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