2002 NISSAN TERRANO fuse box diagram

qA
CHECK POWER SUPPLY-III.
1. Turn ignition switch to ªONº position
and then to ªLOCKº position.
2. Check voltage between ECM connector
terminals
107,108,109and engine
ground with CONSULT-II or tester.
Voltage:
After turning ignition switch to
ªLOCKº position, battery voltage
will exist for a few seconds, then
drop to approximately 0V.
NG
EOK
Go toqBªCHECK
GROUND CIRCUITº.
Case-1: Battery voltage does
not exist.
Case-2: Battery voltage exists
for more than a few
seconds.
Case-1
Case-2
EGo toªCHECK ECM
RELAYº.
CHECK HARNESS CONTINUITY
BETWEEN ECM RELAY AND ECM.
1. Disconnect ECM harness connector.
2. Disconnect ECM relay harness connec-
tor.
3. Check harness continuity between
ECM connector terminals
325and
ECM relay connector terminalq
2, and
ECM connector terminals
107,108,
109and ECM relay connector termi-
nalq
5. Refer to wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG
Check the following:
IHarness connectors
M787,F66(LHD mod-
els)
IHarness for open or
short-circuit between
ECM relay connector
and ECM connector.
If NG, repair harness or
connectors.
CHECK VOLTAGE BETWEEN ECCS
RELAY AND ENGINE GROUND.
Check voltage between ECM relay con-
nector terminalsq
1,q3and engine ground
with CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG
Check the following:
I20A fuse
IFuse box and battery
connections
IHarness for open or
short-circuit between
ECM relay and battery
If NG, replace fuse or
repair harness or connec-
tors.
CHECK ECM RELAY.
1. Remove ECM relay.
2. Apply 12V direct current between relay
terminalsq
1andq2.
3. Check continuity between relay termi-
nalsq
3andq5.
12V (q
1-q2) applied:
Continuity exists.
No voltage applied:
No continuity
OK
ENG
Replace ECM relay.
qB
MEC944D
MEC945D
NEF350
H
H
H
H
H
TROUBLE DIAGNOSIS FOR POWER SUPPLYTD27Ti
Diagnostic Procedure (Cont'd)
EC-354

qA
CHECK INPUT SIGNAL CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect accelerator work unit har-
ness connector and ECM harness con-
nector.
3. Check harness continuity between
accelerator work unit terminalq
3and
ECM terminal
435. Refer to wiring
diagram.
Continuity should exist.
Check harness for short-circuit.
OK
ENG
Check the following:
I10A fuse in fuse box
I75A fusible link in fusible
link box
IHarness continuity
between ECM relay and
battery positive supply
IHarness for open or
short-circuit between
ECM relay and accelera-
tor position switch.
If NG, repair harness or
connectors.
CHECK GROUND CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect ECM harness connector.
3. Check harness continuity between
accelerator work unit connector termi-
nalq
1and ECM connector terminal
426. Refer to wiring diagram.
Continuity should exist.
If OK; check harness for short-circuit.
If OK, re-connect harness connectors.
OK
ENG
Repair harness or connec-
tors.
CHECK COMPONENT.
(Accelerator position switch.)
Refer to ªCOMPONENT INSPECTIONº on
page EC-371.
OK
ENG
Replace accelerator pedal.
Disconnect and reconnect harness con-
nectors in the circuits. Then retest.
Trouble is not fixed
Check ECM pin terminals for damage and
check the connection of ECM harness
connector. Reconnect ECM harness con-
nector and retest.
INSPECTION END
SEF628S
H
H
H
H
H
H
DTC P0120 ACCEL POS SENSORTD27Ti
Diagnostic Procedure (Cont'd)
EC-370

Diagnostic Procedure
INSPECTION START
CHECK FOR AIR IN FUEL FILTER.
1. Move priming pump up and down to
purge air from fuel filter.
2. Perform ªDIAGNOSTIC TROUBLE
CODE CONFIRMATION PROCE-
DUREº.
CHECK POWER SUPPLY.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect TVC and shut-off (injection
timing control valve) harness connec-
tor.
3. Turn ignition switch to ªONº position.
4. Check voltage between TVC and shut-
off (injection timing control valve) con-
nector terminalq
9and engine ground
with CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG
Check the following:
IHarness connector
M787,F66
I20A fuse
IECM relay
IHarness for open or
short-circuit between
TVC and shut-off (injec-
tion timing control valve)
harness connector and
fuse box.
If NG, replace 20A fuse or
ECM relay, harness or con-
nectors.
CHECK OUTPUT SIGNAL CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect ECM harness connector.
3. Check harness continuity between TVC
and shut-off (injection timing control
valve) connector terminalq
8and ECM
terminals
202. Refer to wiring dia-
gram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG
Check the following:
IHarness for open or
short-circuit between
TVC and shut-off (injec-
tion timing control valve)
and ECM
If NG, repair harness or
connectors.
CHECK GROUND CIRCUIT.
1. Disconnect ECM harness connector.
2. Check harness continuity between
ECM connector terminal
349and TVC
and shut-off (injection timing control
valve) connector terminalq
10. Refer to
wiring diagram.
Continuity should exist.
If OK, check harness of short-circuit.
OK
ENG
Repair harness or connec-
tors
qA
YEC256A
NEF463
MEC947D
H
H
H
H
H
DTC P0216 INJ TIMING CONT/V, DTC P1246 F/INJ TIMG F/BTD27Ti
EC-383

Diagnostic Procedure
INSPECTION START
Check fuel level, fuel supply system,
starter motor, etc.
OK
ENG
Correct.
Check that all glow plug connecting plate
nuts are installed correctly.
OK
ENG
Install correctly.
CHECK OVERALL FUNCTION.
Check entire glow control system.
NG
EOK
CHECK COMPONENT
(Glow plug).
Refer to EC-396.
CHECK VOLTAGE BETWEEN GLOW
RELAY AND GROUND.
1. Disconnect glow relay.
2. Check voltage between glow relay con-
nector terminalq
5and engine ground
with tester.
Voltage: Battery voltage
OK
ENG
Check the following:
I80A fusible link in fusible
link box
IHarness continuity
between glow relay and
battery positive terminal.
If NG, replace fuse or fus-
ible link or repair harness
or connectors.
CHECK VOLTAGE BETWEEN GLOW
RELAY AND GROUND.
1. Turn ignition switch to ªONº position.
2. Check voltage between glow relay con-
nector terminalsq
2and engine ground
with tester.
Voltage: Battery voltage
OK
ENG
Check the following:
I20A fusible link in fusible
link box
IECM relay
IHarness continuity
between glow relay and
battery positive terminal.
If NG, replace fuse or fus-
ible link or repair harness
or connectors.
CHECK OUTPUT SIGNAL CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect ECM harness connector.
3. Check harness continuity between
ECM connector terminal
214and
glow relay connector terminalq
1. Refer
to wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG
Check the following.
IHarness connectors
M787,F66(LHD mod-
els)
IHarness continuity
between glow relay and
ECM
If NG, repair harness or
connectors.
CHECK HARNESS CONTINUITY
BETWEEN GLOW RELAY AND GLOW
PLUG.
1. Disconnect glow plug connector.
2. Check harness continuity between glow
relay connector terminalq
3and glow
plug connector terminalq
1. Refer to
wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG
Check the following.
IHarness connectors
M740,E142
IHarness continuity
between glow relay and
glow plug
If NG, repair harness or
connectors.
qA
NEF504
MEC950D
MEC951D
H
H
H
H
H
H
H
H
DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMPTD27Ti
EC-393

Description
Number Item Description
q1Power conditionIThis shows the condition when the system receives battery positive voltage (can
be operated).
q2Fusible linkIThe double line shows that this is a fusible link.
IThe open circle shows current flow in, and the shaded circle shows current flow
out.
q3Fusible link/fuse locationIThis shows the location of the fusible link or fuse in the fusible link or fuse box.
For arrangement, refer to EL section (ªPOWER SUPPLY ROUTINGº).
q4FuseIThe single line shows that this is a fuse.
IThe open circle shows current flow in, and the shaded circle shows current flow
out.
q5Current ratingIThis shows the current rating of the fusible link or fuse.
q6ConnectorsIThis shows that connector
E3is female and connectorM1is male.
IThe G/R wire is located in the 1A terminal of both connectors.
ITerminal number with an alphabet (1A, 5B, etc.) indicates that the connector is
SMJ connector. Refer to GI-18.
q7Optional spliceIThe open circle shows that the splice is optional depending on vehicle application.
q8SpliceIThe shaded circle shows that the splice is always on the vehicle.
q9Page crossingIThis arrow shows that the circuit continues to an adjacent page.
IThe A will match with the A on the preceding or next page.
q10Common connectorIThe dotted lines between terminals show that these terminals are part of the same
connector.
q11Option abbreviationIThis shows that the circuit is optional depending on vehicle application.
q12RelayIThis shows an internal representation of the relay. For details, refer to EL section
(ªSTANDARDIZED RELAYº).
q13ConnectorsIThis shows that the connector is connected to the body or a terminal with bolt or
nut.
q14Wire colorIThis shows a code for the color of the wire.
B = Black BR = Brown
W = White OR = Orange
R = Red P = Pink
G = Green PU = Purple
L = Blue GY = Gray
Y = Yellow SB = Sky Blue
LG = Light Green CH = Dark Brown
DG = Dark Green
When the wire color is striped, the base color is given first, followed by the stripe
color as shown below:
Example: L/W = Blue with White Stripe
q15Option descriptionIThis shows a description of the option abbreviation used on the page.
q16SwitchIThis shows that continuity exists between terminals 1 and 2 when the switch is in
the A position. Continuity exists between terminals 1 and 3 when the switch is in
the B position.
q17Assembly partsIConnector terminal in component shows that it is a harness incorporated assem-
bly.
q18Cell codeIThis identifies each page of the wiring diagram by section, system and wiring dia-
gram page number.
HOW TO READ WIRING DIAGRAMS
GI-12

Number Item Description
q19Current flow arrowIArrow indicates electric current flow, especially where the direction of standard
flow (vertically downward or horizontally from left to right) is difficult to follow.
IA double arrow ªFÐ
Eº shows that current can flow in either direction depending on
circuit operation.
q20System branchIThis shows that the system branches to another system identified by cell code
(section and system).
q21Page crossingIThis arrow shows that the circuit continues to another page identified by cell code.
IThe C will match with the C on another page within the system other than the next
or preceding pages.
q22Shielded lineIThe line enclosed by broken line circle shows shield wire.
q23Component box in wave
lineIThis shows that another part of the component is also shown on another page
(indicated by wave line) within the system.
q24Component nameIThis shows the name of a component.
q25Connector numberIThis shows the connector number.
IThe letter shows which harness the connector is located in.
Example:M: main harness. For detail and to locate the connector, refer to EL sec-
tion (ªMain Harnessº, ªHARNESS LAYOUTº). A coordinate grid is included for com-
plex harnesses to aid in locating connectors.
q26Ground (GND)IThe line spliced and grounded under wire color shows that ground line is spliced
at the grounded connector.
q27Ground (GND)IThis shows the ground connection.
q28Connector viewsIThis area shows the connector faces of the components in the wiring diagram on
the page.
q29Common componentIConnectors enclosed in broken line show that these connectors belong to the
same component.
q30Connector colorIThis shows a code for the color of the connector. For code meaning, refer to wire
color codes, Numberq14of this chart.
q31Fusible link and fuse boxIThis shows the arrangement of fusible link(s) and fuse(s), used for connector
views of ªPOWER SUPPLY ROUTINGº in EL section.
The open square shows current flow in, and the shaded square shows current
flow out.
q32Reference areaIThis shows that more information on the Super Multiple Junction (SMJ) and Joint
Connectors (J/C) exists on the foldout page. Refer to GI-18 for details.
HOW TO READ WIRING DIAGRAMS
Description (Cont'd)
GI-13

F
Fan switch ......................................................HA-60
F/FOG - Wiring diagram .................................EL-51
Final drive disassembly............................PD-15, 37
Final drive pre-inspection .........................PD-15, 37
Final drive removal and installation ...............PD-15
Finisher, interior - See Trim ............................BT-18
Finisher, rear panel .........................................BT-18
Floor trim .........................................................BT-18
Fluid temperature sensor (A/T) .....................AT-141
Fluids .............................................MA-5, 17, 20, 36
Flywheel (clutch) .......................................CL-11, 12
Flywheel runout..............................................EM-94
Fog lamp, front .........................................EL-51, 53
Fog lamp, rear ................................................EL-54
Fork rod (M/T) ................................................MT-13
Forward clutch...............................................AT-157
Front axle ....................................................FA-4, 13
Front bumper ....................................................BT-6
Front case (Transfer) ..................................TF-9, 23
Front combination lamp removal and
installation .....................................................BT-6
Front disc brake .............................................BR-26
Front door .......................................................BT-10
Front Door Trim...............................................BT-19
Front drive shaft (Transfer) .........................TF-9, 19
Front final drive disassembly (4WD) ..............PD-14
Front final drive removal and installa-
tion (4WD) ............................................PD-12, 13
Front fog lamp ..........................................EL-51, 53
Front passenger air bag .................................RS-17
Front seat ........................................................BT-34
Front seat belt ..................................................RS-4
Front seat belt pre-tensioner ..........................RS-12
Front side air bag ...........................................RS-18
Front suspension ........................................FA-4, 29
Fuel cut control (at no load & high
engine speed) .....................................EC-22, 311
Fuel cut solenoid valve ................................EC-376
Fuel cut system ............................................EC-232
Fuel filler lid.......................................................BT-8
Fuel filter replacement...................MA-5, 20, 23, 33
Fuel gauge..................................FE-3, 6, EL-72, 80
Fuel injection system .............................EC-20, 306
Fuel injection timing feed back (Elec-
tronic Fuel Injection Pump) ......................EC-192
Fuel precautions ................................................GI-6
Fuel pump and gauge ..............................FE-3, 6, 7
Fuel system ..................................................FE-3, 6
Fuel tank .......................................................FE-3, 6
Fuel temperature sensor ......................EC-123, 372
Fuse ................................................................EL-17
Fuse and fusible link box .............................Foldout
Fuse block ....................................................Foldout
Fusible link ......................................................EL-17GGarage jack and safety stand .........................GI-32
Gauges .....................................................EL-70, 71
Gear components (M/T) ........MT-11, 14, 16, 21, 23
Generator - See Alternator .............................SC-27
GLOW - Wiring diagram...............................EC-241
Glow control system.....................EC-239, 311, 389
Glow plug .............................................EC-239, 390
Glow relay ............................................EC-241, 396
Grease .........................................MA-17, 39, 40, 44
Ground distribution..........................................EL-18
H
Harness connector ............................................EL-3
Harness connector inspection .........................GI-19
Harness layout ............EL-247, 248, 264, 276, 278,
286, 287, 288, 289, 290
Hazard warning lamp................................EL-55, 56
Headlamp ......EL-26, 29, 30, 31, 37, 38, 39, 42, 43
Headlamp aiming control .............EL-37, 38, 39, 42
Headlamp washer .........................................EL-100
Headlining - See Roof trim .............................BT-20
Heat up switch..............................................EC-258
Heated seat .......................................BT-36, EL-128
HEATER - Wiring diagram .............................HA-41
HEATUP - Wiring diagram ...........................EC-259
Height (Dimensions) ........................................GI-10
HFC134a (R134a) system precaution .............HA-3
HFC134a (R134a) system service
procedure....................................................HA-15
HFC134a (R134a) system service tools ........HA-11
High clutch ....................................................AT-155
H/LAMP - Wiring diagram ............EL-26, 31, 39, 56
Hood..................................................................BT-6
Hood lock system .............................................BT-6
Horn ..............................................................EL-104
HORN - Wiring diagram................................EL-104
How to erase DTC for OBD system ......EC-33, 321
HSEAT - Wiring diagram...............................EL-128
I
Identification .....................................................HA-2
Identification plate .....................................GI-29, 30
Idle speed...............................................EC-50, 338
Idle speed inspection ...............................MA-20, 26
ILL - Wiring diagram .......................................EL-62
Illumination ................................................EL-61, 62
Injection nozzle ......................................EC-24, 313
Injection nozzle inspection ..................MA-5, 20, 25
Injection timing control valve ........................EC-380
INJPMP - Wiring diagram ...EC-126, 164, 171, 178,
185, 195, 235
Instrument panel .............................................BT-16
INT/L - Wiring diagram....................................EL-66
ALPHABETICAL INDEX
IDX-4