Ignition NISSAN TERRANO 2004 Service Workshop Manual

4 CHECK COOLING FAN POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan relay.
MEC021E
3. Turn ignition switch ªONº.
4. Turn air conditioner switch ªONº.
5. Turn blower fan switch ªONº.
6. Check voltage between cooling fan relay terminals 2, 3 and ground with CONSULT-II or tester.
MEC974DVoltage: Battery voltageOK or NG
OK EGO TO 6.
NG EGO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
I10A fuse
I Harness connector F120, M812 (LHD models)
I A/C relay
I 30A fusible link
I Harness for open or short between cooling fan relay and fuse
I Harness for open or short between cooling fan relay and battery
ERepair open circuit or short to ground or short to power in harness or connectors.
DTC 0208 OVER HEATZD30DDTi
Diagnostic Procedure (Cont'd)
EC-115
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6 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan motor harness connector.
MEC024E
3. Check harness continuity as follows. Refer to Wiring Diagram.
MTBL13224. Also check harness for short to ground and short to power.OK or NG
OK EGO TO 8.
NG EGO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors M785, F67 (M/T models)
I Harness for open or short between cooling fan relay and cooling fan motor
I Harness for open or short between cooling fan relay and condenser
I Harness for open or short between cooling fan motor and ground
I Harness for open or short between condenser and ground
ERepair open circuit or short to ground or short to power in harness or connectors.
8 CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 14 and cooling fan relay terminal 1. 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 10.
NG EGO TO 9.
9 DETECT MALFUNCTIONING PART
Check the following.
IHarness connectors M787, F66
I Harness for open or short between cooling fan relay and ECM
ERepair open circuit or short to ground or short to power in harness or connectors.
DTC 0208 OVER HEATZD30DDTi
Diagnostic Procedure (Cont'd)
EC-116
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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 calculation function is malfunctioning. IECM
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-122.
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-122.
SEC220B
SEF817Y
DTC 0301 ECM 2ZD30DDTi
EC-121
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Diagnostic Procedure
1 INSPECTION START
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªSELF DIAG RESULTSº mode with CONSULT-II.
3. Touch ªERASEº.
4. Perform ªDTC Confirmation Procedureº, EC-121, again.
5. Is the malfunction displayed again?
Without CONSULT-II
1. Turn ignition switch ªONº.
2. Erase the Diagnostic Test Mode II (Self-diagnostic results) memory.
3. Perform ªDTC Confirmation Procedureº, EC-121, again.
4. Perform ªDiagnostic Test Mode II (Self-diagnostic results)º.
5. Is the DTC 0301 displayed again?
YesorNo
Ye s EReplace ECM.
No EINSPECTION END
DTC 0301 ECM 2ZD30DDTi
EC-122
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CONSULT-II Reference Value in Data Monitor
Mode
Remarks: Specification data are reference values.
MONITOR ITEMCONDITION SPECIFICATION
FUEL TEMP SEN IEngine: After warming up More than 40ÉC (104ÉF)
SPILL/V IEngine: After warming up Approx. 13ÉCA
INJ TIMG C/V I
Engine: After warming up,
idle the engine. Approx. 50 - 70%
DECELER F/CUT I
Engine: After warm-
ing up Idle OFF
BARO SEN IIgnition switch: ON Altitude
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 (4,992 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 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)
33 G Electronic control fuel
injection pump Engine is running.
Warm-up condition
Idle speed
Approximately 2.5V
40 R Electronic control fuel
injection pump Engine is running.
Warm-up condition
Idle speed
Approximately 2.5V
52 Y Electronic control fuel
injection pump Engine is running.
Idle speed
Approximately 0.1V
53 OR Electronic control fuel
injection pump Engine is running.
Idle speed
Approximately 0.35V
On Board Diagnosis Logic
Malfunction is detected when ....
Check Items (Possible cause)
I An improper voltage signal from fuel temperature sensor
(Built-into electronic control fuel injection pump) is sent to
injection pump control unit. I
Harness or connectors
(Electronic control fuel injection pump circuit is open or
shorted.)
I Electronic control fuel injection pump
DTC 0402 P9×FUEL TEMP SENZD30DDTi
EC-124
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DTC Confirmation Procedure
WITH CONSULT-II
1) 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 is detected, go to ªDiagnostic Procedureº, EC-128.
WITHOUT CONSULT-II
1) 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 to ªSTARTº for 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-128.SEF817Y
DTC 0402 P9×FUEL TEMP SENZD30DDTi
EC-125
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Diagnostic Procedure
1 CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect electronic control fuel injection pump harness connector.
MEC025E
3. Turn ignition switch ªONº.
4. Check voltage between electronic control fuel injection pump terminal 7 and ground.
MEC977DVoltage: Battery voltageOK or NG
OK EGO TO 3.
NG EGO TO 2.
2 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.
3 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 5.
NG EGO TO 4.
DTC 0402 P9×FUEL TEMP SENZD30DDTi
EC-128
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CONSULT-II Reference Value in Data Monitor
Mode
Specification data are reference values.
MONITOR ITEMCONDITION SPECIFICATION
ACCEL POS SEN I
Ignition switch: ON
(Engine stopped) Accelerator pedal: released 0.40 - 0.60V
Accelerator pedal: depressed Approx. 4.5V
FULL ACCEL SW I
Ignition switch: ON
(Engine stopped) Accelerator pedal: fully depressed ON
Except above OFF
OFF ACCEL SW I
Ignition switch: ON
(Engine stopped) Accelerator pedal: fully released ON
Accelerator pedal: slightly open OFF
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)
23 G Accelerator position sen-
sor Ignition switch ªONº
Accelerator pedal fully released
0.4 - 0.6V
Ignition switch ªONº
Accelerator pedal fully depressed Approximately 4.5V
31 L/Y Accelerator position switch
(Idle) Ignition switch ªONº
Accelerator pedal fully released
BATTERY VOLTAGE
(11 - 14V)
Ignition switch ªONº
Accelerator pedal depressed Approximately 0V
32 R/L Accelerator position switch
(Full) Ignition switch ªONº
Accelerator pedal released
Approximately 0V
Ignition switch ªONº
Accelerator pedal fully depressed BATTERY VOLTAGE
(11 - 14V)
48 R/B Accelerator position sen-
sor power supply Ignition switch ªONº
Approximately 5V
51 B/W Accelerator position sen-
sor ground Engine is running.
Warm-up condition
Idle speed
Approximately 0V
DTC 0403 ACCEL POS SENSORZD30DDTi
EC-131
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On Board Diagnosis Logic
Malfunction is detected when ...Check Items (Possible Cause)
I The relation between sensor and switch signal is not in the
normal range during the specified accelerator position. I
Harness or connectors
(The sensor circuit is open or shorted.)
I Accelerator position sensor
I Accelerator position switch
I Accelerator switch (F/C)
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Depress and release fully accelerator pedal slowly.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-144.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº.
2) Depress and release fully accelerator pedal slowly.
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-144.
SEF817Y
DTC 0403 ACCEL POS SENSORZD30DDTi
EC-132
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Diagnostic Procedure
A/T MODELS
1 CHECK OVERALL FUNCTION-I
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªACCEL POS SENº in ªDATA MONITORº mode with CONSULT-II.
3. Check ªACCEL POS SENº signal under the following conditions.
SEF278Z
Without CONSULT-II
1. Turn ignition switch ªONº.
2. Check voltage between ECM terminal 23 and ground under the following conditions.
SEF279Z
OK or NG
OK EGO TO 2.
NG EGO TO 3.
DTC 0403 ACCEL POS SENSORZD30DDTi
EC-137
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