2004 NISSAN TERRANO Service Repair Manual

Wiring Diagram
YEC687A
DTC P1620 ECM RLYTD27Ti
EC-470
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Diagnostic Procedure
INSPECTION START
CHECK ECM POWER SUPPLY CIRCUIT.
1. Turn ignition switch ªOFFº.
2. Disconnect ECM relay.
3. Check voltage between ECM terminals q
1,q3and ground with CONSULT-II or
tester.
Voltage: Battery voltage
OK
ENG Check the following.
I20A fuse
I Harness for open and
short between ECM
relay and battery
If NG, repair open circuit or
short to ground or short to
power in harness or con-
nectors.
CHECK ECM INPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals
107,108,109and ECM
relay terminal q
5. Refer to Wiring Dia-
gram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK
ENG Check the following.
IHarness connectors
M787,F66(LHD mod-
els)
I Harness for open or
short between ECM
relay and ECM
If NG, repair harness or
connectors.
CHECK ECM OUTPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT.
1. Check harness continuity between ECM terminal
325and ECM relay terminal
q
2. Refer to Wiring Diagram.
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK
ENG Check the following.
IHarness connectors
M787,F66(LHD mod-
els)
I Harness for open or
short between ECM
relay and ECM
If NG, repair harness or
connectors.
CHECK ECM RELAY
1. Apply 12V direct current between ECM relay terminals q
1andq2.
2. Check continuity between ECM relay terminals q
3andq5.
12V ( q
1-q2) applied: Continuity
shouldexist
No voltage applied: No continuity
OK
ENG Replace ECM relay.
Check ECM pin terminals for damage and
check the connection of ECM harness
connector.
INSPECTION END
YEC283A
MEC945D
NEF350
H
H
H
H
H
H
DTC P1620 ECM RLYTD27Ti
EC-471
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Wiring Diagram
YEC153A
START SIGNALTD27Ti
EC-472
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Diagnostic Procedure
INSPECTION START
CHECK OVERALL FUNCTION.
1. Turn ignition switch to ªONº posi-tion.
2. Check ªSTART SIGNALº in ªDATA MONITORº mode with CONSULT-
II.
------------------------------------------------------------------------------------------------------------------------------------- -OR--------------------------------------------------------------------------------------------------------------------------------------
1. Turn ignition switch to ªSTARTº
position.
2. Check voltage between ECM con- nector terminal
422and engine
ground.
Voltage: Ignition switch ªSTARTº:Battery voltage
Except above: Approximately 0V
NG
EOK INSPECTION END
Check if 40A fusible link is OK.
OKENGReplace 40A fusible link.
CHECK INPUT SIGNAL CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect ECM harness connector, ignition switch connector.
3. Check harness continuity between ECM connector terminal
422and ignition
switch connector terminal q
5. Refer to
wiring diagram.
Continuity should exist.
If OK, check harness for short circuit.
OK
ENG Check the following:
I Harness connectors
M787,F66(LHD mod-
els)
I Condition and operations
of ignition switch
I Harness for open or
short-circuit between
ECM and ignition switch
If NG, repair ignition
switch, harness or con-
nectors.
Disconnect and reconnect harness connec-
tors in the circuit. Then retest.
Trouble is not fixed.
Check ECM pin terminals for damage and
check the connection of ECM harness con-
nector. Reconnect ECM harness connector
and retest.
INSPECTION END
IGN ªONº OFF
IGN ªSTARTº ON
PBIB0763E
MEC966D
H
H
H
H
H
H
START SIGNALTD27Ti
EC-473
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Wiring Diagram
YEC162A
OIL PRESSURE SWITCHTD27Ti
EC-474
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Wiring Diagram
YEC688A
MI & DATA LINK CONNECTORSTD27Ti
EC-475
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General Specifications
Engine speed
Unit: rpm
EngineTD27Ti
Idle speed A/C: ON 725
845
Maximum engine speed 5,500
Pump numbers
Engine Part numberPump assembly num-
ber
TD27Ti 16700 7F406 A 460 801 135
Pump data is not yet available.
Refer to CALIBRATION STANDARD published
by BOSCH.
Injection Nozzle
INSPECTION AND ADJUSTMENT
Injection nozzle assembly
Unit: kPa (bar, kg/cm2, psi)
Initial injection pressure
New 12,749 - 13,730 (127.5 - 137.3, 130 - 140,
1,849 - 1,991)
Used 12,259 - 12,749 (122.6 - 127.5, 120 - 135,
1,706 - 1,849)
Inspection and Adjustment
Plunger lift mm (in)
at TDC 0.275   0.02
(0.0108)   (0.0008)
Idle speed rpm
(ªNº or ªPº position) 725 25
MASS AIR FLOW SENSOR
Supply voltage
V Approximately 5
Output voltage V1.5 - 2.7*
*: Engine is warmed up sufficiently and idling under no-load.
ENGINE COOLANT TEMPERATURE
SENSOR
Temperature ÉC (ÉF) Resistance kW
20 (68) 2.1 - 2.9
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
CONTROL SLEEVE POSITION SENSOR
Resistance [at 25ÉC (77ÉF)] WApproximately 6.1
INJECTION TIMING CONTROL VALVE
Resistance [at 25ÉC (77ÉF)] WApproximately 15
NEEDLE LIFT SENSOR
Resistance [at 25ÉC (77ÉF)] WApproximately 105
CRANKSHAFT POSITION SENSOR (TDC)
Resistance [at 25ÉC (77ÉF)] WApproximately 900
GLOW PLUG
Resistance [at 25ÉC (77ÉF)] W0.5
ACCELERATOR POSITION SENSOR
Throttle valve conditions Resistance kW
[at 25ÉC (77ÉF)]
Completely closed Approximately 1.2
Partially open 1.2 - 1.9
Completely open Approximately 1.9
FUEL TEMPERATURE SENSOR
Temperature ÉC (ÉF)Resistance kW
25 (77) Approximately 1.9
SERVICE DATA AND SPECIFICATIONS (SDS)TD27Ti
EC-476
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ACCELERATOR CONTROL, FUEL &EXHAUST SYSTEM
SECTION
FE
CONTENTS
ZD30DDTi
ACCELERATOR CONTROL SYSTEM ...........................2
Removal and Installation .............................................2
FUEL SYSTEM ................................................................3
EXHAUST SYSTEM ........................................................4 TD27TiACCELERATOR CONTROL SYSTEM
...........................5
Adjusting Accelerator Cable ........................................5
FUEL SYSTEM ................................................................6
Fuel Pump and Gauge ................................................7
EXHAUST SYSTEM ......................................................10
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